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Date: Thu, 9 Feb 2023 11:45:05 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 6.1.11
diff --git a/Makefile b/Makefile
index 6e34c942744e..e039f2af1772 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 1
-SUBLEVEL = 10
+SUBLEVEL = 11
EXTRAVERSION =
NAME = Hurr durr I'ma ninja sloth
diff --git a/arch/arm/boot/dts/imx7d-smegw01.dts b/arch/arm/boot/dts/imx7d-smegw01.dts
index 546268b8d0b1..c0f00f5db11e 100644
--- a/arch/arm/boot/dts/imx7d-smegw01.dts
+++ b/arch/arm/boot/dts/imx7d-smegw01.dts
@@ -198,6 +198,7 @@ &usbotg1 {
&usbotg2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbotg2>;
+ over-current-active-low;
dr_mode = "host";
status = "okay";
};
@@ -374,7 +375,7 @@ MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x04
pinctrl_usbotg2: usbotg2grp {
fsl,pins = <
- MX7D_PAD_UART3_RTS_B__USB_OTG2_OC 0x04
+ MX7D_PAD_UART3_RTS_B__USB_OTG2_OC 0x5c
>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
index 5ddbda0b4def..f2c4d13b2f3c 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
@@ -157,7 +157,7 @@ rtc: rtc {
sc_pwrkey: keys {
compatible = "fsl,imx8qxp-sc-key", "fsl,imx-sc-key";
- linux,keycode = <KEY_POWER>;
+ linux,keycodes = <KEY_POWER>;
wakeup-source;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
index 83c8f715cd90..b1f11098d248 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
+++ b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
@@ -602,7 +602,7 @@
#define MX8MM_IOMUXC_UART1_RXD_GPIO5_IO22 0x234 0x49C 0x000 0x5 0x0
#define MX8MM_IOMUXC_UART1_RXD_TPSMP_HDATA24 0x234 0x49C 0x000 0x7 0x0
#define MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX 0x238 0x4A0 0x000 0x0 0x0
-#define MX8MM_IOMUXC_UART1_TXD_UART1_DTE_RX 0x238 0x4A0 0x4F4 0x0 0x0
+#define MX8MM_IOMUXC_UART1_TXD_UART1_DTE_RX 0x238 0x4A0 0x4F4 0x0 0x1
#define MX8MM_IOMUXC_UART1_TXD_ECSPI3_MOSI 0x238 0x4A0 0x000 0x1 0x0
#define MX8MM_IOMUXC_UART1_TXD_GPIO5_IO23 0x238 0x4A0 0x000 0x5 0x0
#define MX8MM_IOMUXC_UART1_TXD_TPSMP_HDATA25 0x238 0x4A0 0x000 0x7 0x0
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dts
index 3ea73a6886ff..f6ad1a4b8b66 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dts
@@ -33,7 +33,6 @@ &uart2 {
pinctrl-0 = <&pinctrl_uart2>;
rts-gpios = <&gpio5 29 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio5 28 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs232-rts.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs232-rts.dts
index 2fa635e1c1a8..1f8ea20dfafc 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs232-rts.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs232-rts.dts
@@ -33,7 +33,6 @@ &uart2 {
pinctrl-0 = <&pinctrl_uart2>;
rts-gpios = <&gpio5 29 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio5 28 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
index 244ef8d6cc68..7761d5671cb1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
@@ -222,7 +222,6 @@ &uart3 {
pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_bten>;
cts-gpios = <&gpio5 8 GPIO_ACTIVE_LOW>;
rts-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
bluetooth {
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
index 72311b55f06d..5a770c8b777e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
@@ -721,7 +721,6 @@ &uart1 {
dtr-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
dsr-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
dcd-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
@@ -737,7 +736,6 @@ &uart3 {
pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>;
cts-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
rts-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
@@ -746,7 +744,6 @@ &uart4 {
pinctrl-0 = <&pinctrl_uart4>, <&pinctrl_uart4_gpio>;
cts-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
rts-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
index 31f4c735fe4f..ba0b3f507855 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
@@ -651,7 +651,6 @@ &uart1 {
pinctrl-0 = <&pinctrl_uart1>, <&pinctrl_uart1_gpio>;
rts-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio4 24 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
@@ -668,7 +667,6 @@ &uart3 {
pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>;
rts-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
bluetooth {
@@ -686,7 +684,6 @@ &uart4 {
dtr-gpios = <&gpio4 3 GPIO_ACTIVE_LOW>;
dsr-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>;
dcd-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts
index 19f6d2943d26..8e861b920d09 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts
@@ -572,7 +572,6 @@ &uart1 {
dtr-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
dsr-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
dcd-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
index bcab830c6e95..59445f916d7f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
@@ -98,6 +98,7 @@ reg_ethphy: regulator-ethphy {
off-on-delay = <500000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_reg_eth>;
+ regulator-always-on;
regulator-boot-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
index dd4302ac1de4..e7362d7615bd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
@@ -631,7 +631,6 @@ &uart3 {
pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>;
rts-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
bluetooth {
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
index 06b4c93c5876..d68ef4f0726f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
@@ -611,7 +611,6 @@ &uart3 {
pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>;
cts-gpios = <&gpio3 21 GPIO_ACTIVE_LOW>;
rts-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
- uart-has-rtscts;
status = "okay";
bluetooth {
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index 215bf3f8cb20..4f24910cfe73 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -170,6 +170,9 @@ ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, u
asmlinkage long
ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *tp)
{
+ struct timespec64 rtn_tp;
+ s64 tick_ns;
+
/*
* ia64's clock_gettime() syscall is implemented as a vdso call
* fsys_clock_gettime(). Currently it handles only
@@ -185,8 +188,8 @@ ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *
switch (which_clock) {
case CLOCK_REALTIME:
case CLOCK_MONOTONIC:
- s64 tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
- struct timespec64 rtn_tp = ns_to_timespec64(tick_ns);
+ tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
+ rtn_tp = ns_to_timespec64(tick_ns);
return put_timespec64(&rtn_tp, tp);
}
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index a115315d88e6..bd325f2b5349 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1303,7 +1303,7 @@ static char iodc_dbuf[4096] __page_aligned_bss;
*/
int pdc_iodc_print(const unsigned char *str, unsigned count)
{
- unsigned int i;
+ unsigned int i, found = 0;
unsigned long flags;
count = min_t(unsigned int, count, sizeof(iodc_dbuf));
@@ -1315,6 +1315,7 @@ int pdc_iodc_print(const unsigned char *str, unsigned count)
iodc_dbuf[i+0] = '\r';
iodc_dbuf[i+1] = '\n';
i += 2;
+ found = 1;
goto print;
default:
iodc_dbuf[i] = str[i];
@@ -1330,7 +1331,7 @@ int pdc_iodc_print(const unsigned char *str, unsigned count)
__pa(pdc_result), 0, __pa(iodc_dbuf), i, 0);
spin_unlock_irqrestore(&pdc_lock, flags);
- return i;
+ return i - found;
}
#if !defined(BOOTLOADER)
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 96ef6a6b66e5..9af11abeee4f 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -126,6 +126,12 @@ long arch_ptrace(struct task_struct *child, long request,
unsigned long tmp;
long ret = -EIO;
+ unsigned long user_regs_struct_size = sizeof(struct user_regs_struct);
+#ifdef CONFIG_64BIT
+ if (is_compat_task())
+ user_regs_struct_size /= 2;
+#endif
+
switch (request) {
/* Read the word at location addr in the USER area. For ptraced
@@ -166,7 +172,7 @@ long arch_ptrace(struct task_struct *child, long request,
addr >= sizeof(struct pt_regs))
break;
if (addr == PT_IAOQ0 || addr == PT_IAOQ1) {
- data |= 3; /* ensure userspace privilege */
+ data |= PRIV_USER; /* ensure userspace privilege */
}
if ((addr >= PT_GR1 && addr <= PT_GR31) ||
addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
@@ -181,14 +187,14 @@ long arch_ptrace(struct task_struct *child, long request,
return copy_regset_to_user(child,
task_user_regset_view(current),
REGSET_GENERAL,
- 0, sizeof(struct user_regs_struct),
+ 0, user_regs_struct_size,
datap);
case PTRACE_SETREGS: /* Set all gp regs in the child. */
return copy_regset_from_user(child,
task_user_regset_view(current),
REGSET_GENERAL,
- 0, sizeof(struct user_regs_struct),
+ 0, user_regs_struct_size,
datap);
case PTRACE_GETFPREGS: /* Get the child FPU state. */
@@ -285,7 +291,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
if (addr >= sizeof(struct pt_regs))
break;
if (addr == PT_IAOQ0+4 || addr == PT_IAOQ1+4) {
- data |= 3; /* ensure userspace privilege */
+ data |= PRIV_USER; /* ensure userspace privilege */
}
if (addr >= PT_FR0 && addr <= PT_FR31 + 4) {
/* Special case, fp regs are 64 bits anyway */
@@ -302,6 +308,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
}
}
break;
+ case PTRACE_GETREGS:
+ case PTRACE_SETREGS:
+ case PTRACE_GETFPREGS:
+ case PTRACE_SETFPREGS:
+ return arch_ptrace(child, request, addr, data);
default:
ret = compat_ptrace_request(child, request, addr, data);
@@ -483,7 +494,7 @@ static void set_reg(struct pt_regs *regs, int num, unsigned long val)
case RI(iaoq[0]):
case RI(iaoq[1]):
/* set 2 lowest bits to ensure userspace privilege: */
- regs->iaoq[num - RI(iaoq[0])] = val | 3;
+ regs->iaoq[num - RI(iaoq[0])] = val | PRIV_USER;
return;
case RI(sar): regs->sar = val;
return;
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 77fa88c2aed0..0b7d01d408ac 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -192,7 +192,7 @@ static inline void arch_local_irq_enable(void)
static inline unsigned long arch_local_irq_save(void)
{
- return irq_soft_mask_set_return(IRQS_DISABLED);
+ return irq_soft_mask_or_return(IRQS_DISABLED);
}
static inline bool arch_irqs_disabled_flags(unsigned long flags)
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index cac727b01799..5a2384ed1727 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -262,6 +262,17 @@ print_mapping(unsigned long start, unsigned long end, unsigned long size, bool e
static unsigned long next_boundary(unsigned long addr, unsigned long end)
{
#ifdef CONFIG_STRICT_KERNEL_RWX
+ unsigned long stext_phys;
+
+ stext_phys = __pa_symbol(_stext);
+
+ // Relocatable kernel running at non-zero real address
+ if (stext_phys != 0) {
+ // Start of relocated kernel text is a rodata boundary
+ if (addr < stext_phys)
+ return stext_phys;
+ }
+
if (addr < __pa_symbol(__srwx_boundary))
return __pa_symbol(__srwx_boundary);
#endif
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index 100e97daf76b..9d229ef7f86e 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -22,7 +22,7 @@
* Used to avoid races in counting the nest-pmu units during hotplug
* register and unregister
*/
-static DEFINE_SPINLOCK(nest_init_lock);
+static DEFINE_MUTEX(nest_init_lock);
static DEFINE_PER_CPU(struct imc_pmu_ref *, local_nest_imc_refc);
static struct imc_pmu **per_nest_pmu_arr;
static cpumask_t nest_imc_cpumask;
@@ -1629,7 +1629,7 @@ static void imc_common_mem_free(struct imc_pmu *pmu_ptr)
static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr)
{
if (pmu_ptr->domain == IMC_DOMAIN_NEST) {
- spin_lock(&nest_init_lock);
+ mutex_lock(&nest_init_lock);
if (nest_pmus == 1) {
cpuhp_remove_state(CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE);
kfree(nest_imc_refc);
@@ -1639,7 +1639,7 @@ static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr)
if (nest_pmus > 0)
nest_pmus--;
- spin_unlock(&nest_init_lock);
+ mutex_unlock(&nest_init_lock);
}
/* Free core_imc memory */
@@ -1796,11 +1796,11 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
* rest. To handle the cpuhotplug callback unregister, we track
* the number of nest pmus in "nest_pmus".
*/
- spin_lock(&nest_init_lock);
+ mutex_lock(&nest_init_lock);
if (nest_pmus == 0) {
ret = init_nest_pmu_ref();
if (ret) {
- spin_unlock(&nest_init_lock);
+ mutex_unlock(&nest_init_lock);
kfree(per_nest_pmu_arr);
per_nest_pmu_arr = NULL;
goto err_free_mem;
@@ -1808,7 +1808,7 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
/* Register for cpu hotplug notification. */
ret = nest_pmu_cpumask_init();
if (ret) {
- spin_unlock(&nest_init_lock);
+ mutex_unlock(&nest_init_lock);
kfree(nest_imc_refc);
kfree(per_nest_pmu_arr);
per_nest_pmu_arr = NULL;
@@ -1816,7 +1816,7 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
}
}
nest_pmus++;
- spin_unlock(&nest_init_lock);
+ mutex_unlock(&nest_init_lock);
break;
case IMC_DOMAIN_CORE:
ret = core_imc_pmu_cpumask_init();
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 0d13b597cb55..c8187867c5f4 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -80,6 +80,9 @@ ifeq ($(CONFIG_PERF_EVENTS),y)
KBUILD_CFLAGS += -fno-omit-frame-pointer
endif
+# Avoid generating .eh_frame sections.
+KBUILD_CFLAGS += -fno-asynchronous-unwind-tables -fno-unwind-tables
+
KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax)
diff --git a/arch/riscv/kernel/probes/kprobes.c b/arch/riscv/kernel/probes/kprobes.c
index e6e950b7cf32..388ecada500c 100644
--- a/arch/riscv/kernel/probes/kprobes.c
+++ b/arch/riscv/kernel/probes/kprobes.c
@@ -48,6 +48,21 @@ static void __kprobes arch_simulate_insn(struct kprobe *p, struct pt_regs *regs)
post_kprobe_handler(p, kcb, regs);
}
+static bool __kprobes arch_check_kprobe(struct kprobe *p)
+{
+ unsigned long tmp = (unsigned long)p->addr - p->offset;
+ unsigned long addr = (unsigned long)p->addr;
+
+ while (tmp <= addr) {
+ if (tmp == addr)
+ return true;
+
+ tmp += GET_INSN_LENGTH(*(u16 *)tmp);
+ }
+
+ return false;
+}
+
int __kprobes arch_prepare_kprobe(struct kprobe *p)
{
unsigned long probe_addr = (unsigned long)p->addr;
@@ -55,6 +70,9 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
if (probe_addr & 0x1)
return -EILSEQ;
+ if (!arch_check_kprobe(p))
+ return -EILSEQ;
+
/* copy instruction */
p->opcode = *p->addr;
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index e4ef67e4da0a..c13b1455ec8c 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -153,7 +153,7 @@ int copy_oldmem_kernel(void *dst, unsigned long src, size_t count)
kvec.iov_base = dst;
kvec.iov_len = count;
- iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
+ iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count);
if (copy_oldmem_iter(&iter, src, count) < count)
return -EFAULT;
return 0;
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 1571cdcb0c50..4824d1cd33d8 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -128,7 +128,7 @@ int memcpy_real(void *dest, unsigned long src, size_t count)
kvec.iov_base = dest;
kvec.iov_len = count;
- iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
+ iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count);
if (memcpy_real_iter(&iter, src, count) < count)
return -EFAULT;
return 0;
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 415a5d138de4..3419ffa2a350 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -14,13 +14,13 @@ endif
ifdef CONFIG_CC_IS_GCC
RETPOLINE_CFLAGS := $(call cc-option,-mindirect-branch=thunk-extern -mindirect-branch-register)
-RETPOLINE_CFLAGS += $(call cc-option,-mindirect-branch-cs-prefix)
RETPOLINE_VDSO_CFLAGS := $(call cc-option,-mindirect-branch=thunk-inline -mindirect-branch-register)
endif
ifdef CONFIG_CC_IS_CLANG
RETPOLINE_CFLAGS := -mretpoline-external-thunk
RETPOLINE_VDSO_CFLAGS := -mretpoline
endif
+RETPOLINE_CFLAGS += $(call cc-option,-mindirect-branch-cs-prefix)
ifdef CONFIG_RETHUNK
RETHUNK_CFLAGS := -mfunction-return=thunk-extern
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 1b92bf05fd65..5a1d0ea402e4 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -6342,6 +6342,7 @@ __init int intel_pmu_init(void)
break;
case INTEL_FAM6_SAPPHIRERAPIDS_X:
+ case INTEL_FAM6_EMERALDRAPIDS_X:
pmem = true;
x86_pmu.late_ack = true;
memcpy(hw_cache_event_ids, spr_hw_cache_event_ids, sizeof(hw_cache_event_ids));
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 3019fb1926e3..551741e79e03 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -677,6 +677,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, &icx_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, &icx_cstates),
X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &icx_cstates),
+ X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &icx_cstates),
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, &icl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, &icl_cstates),
diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index cfdf307ddc01..9ed8343c9b3c 100644
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -39,7 +39,20 @@ static __always_inline unsigned long native_get_debugreg(int regno)
asm("mov %%db6, %0" :"=r" (val));
break;
case 7:
- asm("mov %%db7, %0" :"=r" (val));
+ /*
+ * Apply __FORCE_ORDER to DR7 reads to forbid re-ordering them
+ * with other code.
+ *
+ * This is needed because a DR7 access can cause a #VC exception
+ * when running under SEV-ES. Taking a #VC exception is not a
+ * safe thing to do just anywhere in the entry code and
+ * re-ordering might place the access into an unsafe location.
+ *
+ * This happened in the NMI handler, where the DR7 read was
+ * re-ordered to happen before the call to sev_es_ist_enter(),
+ * causing stack recursion.
+ */
+ asm volatile("mov %%db7, %0" : "=r" (val) : __FORCE_ORDER);
break;
default:
BUG();
@@ -66,7 +79,16 @@ static __always_inline void native_set_debugreg(int regno, unsigned long value)
asm("mov %0, %%db6" ::"r" (value));
break;
case 7:
- asm("mov %0, %%db7" ::"r" (value));
+ /*
+ * Apply __FORCE_ORDER to DR7 writes to forbid re-ordering them
+ * with other code.
+ *
+ * While is didn't happen with a DR7 write (see the DR7 read
+ * comment above which explains where it happened), add the
+ * __FORCE_ORDER here too to avoid similar problems in the
+ * future.
+ */
+ asm volatile("mov %0, %%db7" ::"r" (value), __FORCE_ORDER);
break;
default:
BUG();
diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c
index 1f60a2b27936..fdbb5f07448f 100644
--- a/arch/x86/kernel/cpu/aperfmperf.c
+++ b/arch/x86/kernel/cpu/aperfmperf.c
@@ -330,7 +330,16 @@ static void __init bp_init_freq_invariance(void)
static void disable_freq_invariance_workfn(struct work_struct *work)
{
+ int cpu;
+
static_branch_disable(&arch_scale_freq_key);
+
+ /*
+ * Set arch_freq_scale to a default value on all cpus
+ * This negates the effect of scaling
+ */
+ for_each_possible_cpu(cpu)
+ per_cpu(arch_freq_scale, cpu) = SCHED_CAPACITY_SCALE;
}
static DECLARE_WORK(disable_freq_invariance_work,
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 048e38ec99e7..1def66118b03 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -902,7 +902,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device,
kvec.iov_base = (void *)firmware->data;
kvec.iov_len = firmware->size;
- iov_iter_kvec(&iter, WRITE, &kvec, 1, firmware->size);
+ iov_iter_kvec(&iter, ITER_SOURCE, &kvec, 1, firmware->size);
ret = generic_load_microcode(cpu, &iter);
release_firmware(firmware);
diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c
index e75bc2f217ff..32d710f7eb84 100644
--- a/arch/x86/kernel/crash_dump_64.c
+++ b/arch/x86/kernel/crash_dump_64.c
@@ -57,7 +57,7 @@ ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
struct kvec kvec = { .iov_base = buf, .iov_len = count };
struct iov_iter iter;
- iov_iter_kvec(&iter, READ, &kvec, 1, count);
+ iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count);
return read_from_oldmem(&iter, count, ppos,
cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT));
diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c
index 7d624a3a3f0f..60b4299bec8e 100644
--- a/block/bfq-cgroup.c
+++ b/block/bfq-cgroup.c
@@ -718,15 +718,15 @@ static void *__bfq_bic_change_cgroup(struct bfq_data *bfqd,
struct bfq_io_cq *bic,
struct bfq_group *bfqg)
{
- struct bfq_queue *async_bfqq = bic_to_bfqq(bic, 0);
- struct bfq_queue *sync_bfqq = bic_to_bfqq(bic, 1);
+ struct bfq_queue *async_bfqq = bic_to_bfqq(bic, false);
+ struct bfq_queue *sync_bfqq = bic_to_bfqq(bic, true);
struct bfq_entity *entity;
if (async_bfqq) {
entity = &async_bfqq->entity;
if (entity->sched_data != &bfqg->sched_data) {
- bic_set_bfqq(bic, NULL, 0);
+ bic_set_bfqq(bic, NULL, false);
bfq_release_process_ref(bfqd, async_bfqq);
}
}
@@ -761,8 +761,8 @@ static void *__bfq_bic_change_cgroup(struct bfq_data *bfqd,
* request from the old cgroup.
*/
bfq_put_cooperator(sync_bfqq);
+ bic_set_bfqq(bic, NULL, true);
bfq_release_process_ref(bfqd, sync_bfqq);
- bic_set_bfqq(bic, NULL, 1);
}
}
}
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 7b894df32e32..ff9d23889415 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -3180,7 +3180,7 @@ bfq_merge_bfqqs(struct bfq_data *bfqd, struct bfq_io_cq *bic,
/*
* Merge queues (that is, let bic redirect its requests to new_bfqq)
*/
- bic_set_bfqq(bic, new_bfqq, 1);
+ bic_set_bfqq(bic, new_bfqq, true);
bfq_mark_bfqq_coop(new_bfqq);
/*
* new_bfqq now belongs to at least two bics (it is a shared queue):
@@ -5491,9 +5491,11 @@ static void bfq_check_ioprio_change(struct bfq_io_cq *bic, struct bio *bio)
bfqq = bic_to_bfqq(bic, false);
if (bfqq) {
- bfq_release_process_ref(bfqd, bfqq);
+ struct bfq_queue *old_bfqq = bfqq;
+
bfqq = bfq_get_queue(bfqd, bio, false, bic, true);
bic_set_bfqq(bic, bfqq, false);
+ bfq_release_process_ref(bfqd, old_bfqq);
}
bfqq = bic_to_bfqq(bic, true);
@@ -6627,7 +6629,7 @@ bfq_split_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq)
return bfqq;
}
- bic_set_bfqq(bic, NULL, 1);
+ bic_set_bfqq(bic, NULL, true);
bfq_put_cooperator(bfqq);
diff --git a/certs/Makefile b/certs/Makefile
index 9486ed924731..799ad7b9e68a 100644
--- a/certs/Makefile
+++ b/certs/Makefile
@@ -23,8 +23,8 @@ $(obj)/blacklist_hash_list: $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) FORCE
targets += blacklist_hash_list
quiet_cmd_extract_certs = CERT $@
- cmd_extract_certs = $(obj)/extract-cert $(extract-cert-in) $@
-extract-cert-in = $(or $(filter-out $(obj)/extract-cert, $(real-prereqs)),"")
+ cmd_extract_certs = $(obj)/extract-cert "$(extract-cert-in)" $@
+extract-cert-in = $(filter-out $(obj)/extract-cert, $(real-prereqs))
$(obj)/system_certificates.o: $(obj)/x509_certificate_list
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index bcd059caa1c8..814d2dc87d7e 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -766,7 +766,7 @@ static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
struct iov_iter input;
int err;
- iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
+ iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
cfg->inplace_mode != OUT_OF_PLACE ?
max(dst_total_len, src_total_len) :
@@ -1180,7 +1180,7 @@ static int build_hash_sglist(struct test_sglist *tsgl,
kv.iov_base = (void *)vec->plaintext;
kv.iov_len = vec->psize;
- iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
+ iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
&input, divs);
}
diff --git a/drivers/acpi/pfr_update.c b/drivers/acpi/pfr_update.c
index 9d2bdc13253a..98267f163e2b 100644
--- a/drivers/acpi/pfr_update.c
+++ b/drivers/acpi/pfr_update.c
@@ -455,7 +455,7 @@ static ssize_t pfru_write(struct file *file, const char __user *buf,
iov.iov_base = (void __user *)buf;
iov.iov_len = len;
- iov_iter_init(&iter, WRITE, &iov, 1, len);
+ iov_iter_init(&iter, ITER_SOURCE, &iov, 1, len);
/* map the communication buffer */
phy_addr = (phys_addr_t)((buf_info.addr_hi << 32) | buf_info.addr_lo);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index d3ce5c383f3a..26a75f5cce95 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3108,7 +3108,7 @@ int sata_down_spd_limit(struct ata_link *link, u32 spd_limit)
*/
if (spd > 1)
mask &= (1 << (spd - 1)) - 1;
- else
+ else if (link->sata_spd)
return -EINVAL;
/* were we already at the bottom? */
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 677240232684..590d1b50ab5d 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1816,7 +1816,7 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock,
/* THINK if (signal_pending) return ... ? */
- iov_iter_kvec(&msg.msg_iter, WRITE, &iov, 1, size);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, &iov, 1, size);
if (sock == connection->data.socket) {
rcu_read_lock();
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index ee69d50ba4fd..54010eac6ca9 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -507,7 +507,7 @@ static int drbd_recv_short(struct socket *sock, void *buf, size_t size, int flag
struct msghdr msg = {
.msg_flags = (flags ? flags : MSG_WAITALL | MSG_NOSIGNAL)
};
- iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, size);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &iov, 1, size);
return sock_recvmsg(sock, &msg, msg.msg_flags);
}
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d12d3d171ec4..df628e30bca4 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -243,7 +243,7 @@ static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos)
struct iov_iter i;
ssize_t bw;
- iov_iter_bvec(&i, WRITE, bvec, 1, bvec->bv_len);
+ iov_iter_bvec(&i, ITER_SOURCE, bvec, 1, bvec->bv_len);
file_start_write(file);
bw = vfs_iter_write(file, &i, ppos, 0);
@@ -286,7 +286,7 @@ static int lo_read_simple(struct loop_device *lo, struct request *rq,
ssize_t len;
rq_for_each_segment(bvec, rq, iter) {
- iov_iter_bvec(&i, READ, &bvec, 1, bvec.bv_len);
+ iov_iter_bvec(&i, ITER_DEST, &bvec, 1, bvec.bv_len);
len = vfs_iter_read(lo->lo_backing_file, &i, &pos, 0);
if (len < 0)
return len;
@@ -392,7 +392,7 @@ static void lo_rw_aio_complete(struct kiocb *iocb, long ret)
}
static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
- loff_t pos, bool rw)
+ loff_t pos, int rw)
{
struct iov_iter iter;
struct req_iterator rq_iter;
@@ -448,7 +448,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
cmd->iocb.ki_flags = IOCB_DIRECT;
cmd->iocb.ki_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
- if (rw == WRITE)
+ if (rw == ITER_SOURCE)
ret = call_write_iter(file, &cmd->iocb, &iter);
else
ret = call_read_iter(file, &cmd->iocb, &iter);
@@ -490,12 +490,12 @@ static int do_req_filebacked(struct loop_device *lo, struct request *rq)
return lo_fallocate(lo, rq, pos, FALLOC_FL_PUNCH_HOLE);
case REQ_OP_WRITE:
if (cmd->use_aio)
- return lo_rw_aio(lo, cmd, pos, WRITE);
+ return lo_rw_aio(lo, cmd, pos, ITER_SOURCE);
else
return lo_write_simple(lo, rq, pos);
case REQ_OP_READ:
if (cmd->use_aio)
- return lo_rw_aio(lo, cmd, pos, READ);
+ return lo_rw_aio(lo, cmd, pos, ITER_DEST);
else
return lo_read_simple(lo, rq, pos);
default:
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 5cffd96ef2d7..e379ccc63c52 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -563,7 +563,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
u32 nbd_cmd_flags = 0;
int sent = nsock->sent, skip = 0;
- iov_iter_kvec(&from, WRITE, &iov, 1, sizeof(request));
+ iov_iter_kvec(&from, ITER_SOURCE, &iov, 1, sizeof(request));
type = req_to_nbd_cmd_type(req);
if (type == U32_MAX)
@@ -649,7 +649,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
dev_dbg(nbd_to_dev(nbd), "request %p: sending %d bytes data\n",
req, bvec.bv_len);
- iov_iter_bvec(&from, WRITE, &bvec, 1, bvec.bv_len);
+ iov_iter_bvec(&from, ITER_SOURCE, &bvec, 1, bvec.bv_len);
if (skip) {
if (skip >= iov_iter_count(&from)) {
skip -= iov_iter_count(&from);
@@ -701,7 +701,7 @@ static int nbd_read_reply(struct nbd_device *nbd, int index,
int result;
reply->magic = 0;
- iov_iter_kvec(&to, READ, &iov, 1, sizeof(*reply));
+ iov_iter_kvec(&to, ITER_DEST, &iov, 1, sizeof(*reply));
result = sock_xmit(nbd, index, 0, &to, MSG_WAITALL, NULL);
if (result < 0) {
if (!nbd_disconnected(nbd->config))
@@ -790,7 +790,7 @@ static struct nbd_cmd *nbd_handle_reply(struct nbd_device *nbd, int index,
struct iov_iter to;
rq_for_each_segment(bvec, req, iter) {
- iov_iter_bvec(&to, READ, &bvec, 1, bvec.bv_len);
+ iov_iter_bvec(&to, ITER_DEST, &bvec, 1, bvec.bv_len);
result = sock_xmit(nbd, index, 0, &to, MSG_WAITALL, NULL);
if (result < 0) {
dev_err(disk_to_dev(nbd->disk), "Receive data failed (result %d)\n",
@@ -1267,7 +1267,7 @@ static void send_disconnects(struct nbd_device *nbd)
for (i = 0; i < config->num_connections; i++) {
struct nbd_sock *nsock = config->socks[i];
- iov_iter_kvec(&from, WRITE, &iov, 1, sizeof(request));
+ iov_iter_kvec(&from, ITER_SOURCE, &iov, 1, sizeof(request));
mutex_lock(&nsock->tx_lock);
ret = sock_xmit(nbd, i, 1, &from, 0, NULL);
if (ret < 0)
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index e54693204630..6368b56eacf1 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -137,7 +137,7 @@ struct ublk_device {
char *__queues;
- unsigned short queue_size;
+ unsigned int queue_size;
struct ublksrv_ctrl_dev_info dev_info;
struct blk_mq_tag_set tag_set;
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 3aa91aed3bf7..226e87b85116 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -857,7 +857,13 @@ static int __init sunxi_rsb_init(void)
return ret;
}
- return platform_driver_register(&sunxi_rsb_driver);
+ ret = platform_driver_register(&sunxi_rsb_driver);
+ if (ret) {
+ bus_unregister(&sunxi_rsb_bus);
+ return ret;
+ }
+
+ return 0;
}
module_init(sunxi_rsb_init);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index f5868dddbb61..5d1c8e1c99b5 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1329,7 +1329,7 @@ SYSCALL_DEFINE3(getrandom, char __user *, ubuf, size_t, len, unsigned int, flags
return ret;
}
- ret = import_single_range(READ, ubuf, len, &iov, &iter);
+ ret = import_single_range(ITER_DEST, ubuf, len, &iov, &iter);
if (unlikely(ret))
return ret;
return get_random_bytes_user(&iter);
@@ -1447,7 +1447,7 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
return -EINVAL;
if (get_user(len, p++))
return -EFAULT;
- ret = import_single_range(WRITE, p, len, &iov, &iter);
+ ret = import_single_range(ITER_SOURCE, p, len, &iov, &iter);
if (unlikely(ret))
return ret;
ret = write_pool_user(&iter);
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 406b4e26f538..0de0482cd36e 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -167,7 +167,7 @@ struct dma_fence *dma_fence_allocate_private_stub(void)
0, 0);
set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
- &dma_fence_stub.flags);
+ &fence->flags);
dma_fence_signal(fence);
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 9c89f7d53e99..958aa4662ccb 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -819,8 +819,10 @@ static int ioctl_send_response(struct client *client, union ioctl_arg *arg)
r = container_of(resource, struct inbound_transaction_resource,
resource);
- if (is_fcp_request(r->request))
+ if (is_fcp_request(r->request)) {
+ kfree(r->data);
goto out;
+ }
if (a->length != fw_get_response_length(r->request)) {
ret = -EINVAL;
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 033aac6be7da..b43e5e6ddaf6 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -984,6 +984,8 @@ int __ref efi_mem_reserve_persistent(phys_addr_t addr, u64 size)
/* first try to find a slot in an existing linked list entry */
for (prsv = efi_memreserve_root->next; prsv; ) {
rsv = memremap(prsv, sizeof(*rsv), MEMREMAP_WB);
+ if (!rsv)
+ return -ENOMEM;
index = atomic_fetch_add_unless(&rsv->count, 1, rsv->size);
if (index < rsv->size) {
rsv->entry[index].base = addr;
diff --git a/drivers/firmware/efi/memattr.c b/drivers/firmware/efi/memattr.c
index 0a9aba5f9cef..f178b2984dfb 100644
--- a/drivers/firmware/efi/memattr.c
+++ b/drivers/firmware/efi/memattr.c
@@ -33,7 +33,7 @@ int __init efi_memattr_init(void)
return -ENOMEM;
}
- if (tbl->version > 1) {
+ if (tbl->version > 2) {
pr_warn("Unexpected EFI Memory Attributes table version %d\n",
tbl->version);
goto unmap;
diff --git a/drivers/fpga/intel-m10-bmc-sec-update.c b/drivers/fpga/intel-m10-bmc-sec-update.c
index 79d48852825e..03f1bd81c434 100644
--- a/drivers/fpga/intel-m10-bmc-sec-update.c
+++ b/drivers/fpga/intel-m10-bmc-sec-update.c
@@ -574,20 +574,27 @@ static int m10bmc_sec_probe(struct platform_device *pdev)
len = scnprintf(buf, SEC_UPDATE_LEN_MAX, "secure-update%d",
sec->fw_name_id);
sec->fw_name = kmemdup_nul(buf, len, GFP_KERNEL);
- if (!sec->fw_name)
- return -ENOMEM;
+ if (!sec->fw_name) {
+ ret = -ENOMEM;
+ goto fw_name_fail;
+ }
fwl = firmware_upload_register(THIS_MODULE, sec->dev, sec->fw_name,
&m10bmc_ops, sec);
if (IS_ERR(fwl)) {
dev_err(sec->dev, "Firmware Upload driver failed to start\n");
- kfree(sec->fw_name);
- xa_erase(&fw_upload_xa, sec->fw_name_id);
- return PTR_ERR(fwl);
+ ret = PTR_ERR(fwl);
+ goto fw_uploader_fail;
}
sec->fwl = fwl;
return 0;
+
+fw_uploader_fail:
+ kfree(sec->fw_name);
+fw_name_fail:
+ xa_erase(&fw_upload_xa, sec->fw_name_id);
+ return ret;
}
static int m10bmc_sec_remove(struct platform_device *pdev)
diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
index 357cea58ec98..f7f01982a512 100644
--- a/drivers/fpga/stratix10-soc.c
+++ b/drivers/fpga/stratix10-soc.c
@@ -213,9 +213,9 @@ static int s10_ops_write_init(struct fpga_manager *mgr,
/* Allocate buffers from the service layer's pool. */
for (i = 0; i < NUM_SVC_BUFS; i++) {
kbuf = stratix10_svc_allocate_memory(priv->chan, SVC_BUF_SIZE);
- if (!kbuf) {
+ if (IS_ERR(kbuf)) {
s10_free_buffers(mgr);
- ret = -ENOMEM;
+ ret = PTR_ERR(kbuf);
goto init_done;
}
diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c
index 5f93a53846aa..9912b7a6a4b9 100644
--- a/drivers/fsi/fsi-sbefifo.c
+++ b/drivers/fsi/fsi-sbefifo.c
@@ -659,7 +659,7 @@ static void sbefifo_collect_async_ffdc(struct sbefifo *sbefifo)
}
ffdc_iov.iov_base = ffdc;
ffdc_iov.iov_len = SBEFIFO_MAX_FFDC_SIZE;
- iov_iter_kvec(&ffdc_iter, WRITE, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);
+ iov_iter_kvec(&ffdc_iter, ITER_DEST, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);
cmd[0] = cpu_to_be32(2);
cmd[1] = cpu_to_be32(SBEFIFO_CMD_GET_SBE_FFDC);
rc = sbefifo_do_command(sbefifo, cmd, 2, &ffdc_iter);
@@ -756,7 +756,7 @@ int sbefifo_submit(struct device *dev, const __be32 *command, size_t cmd_len,
rbytes = (*resp_len) * sizeof(__be32);
resp_iov.iov_base = response;
resp_iov.iov_len = rbytes;
- iov_iter_kvec(&resp_iter, WRITE, &resp_iov, 1, rbytes);
+ iov_iter_kvec(&resp_iter, ITER_DEST, &resp_iov, 1, rbytes);
/* Perform the command */
rc = mutex_lock_interruptible(&sbefifo->lock);
@@ -839,7 +839,7 @@ static ssize_t sbefifo_user_read(struct file *file, char __user *buf,
/* Prepare iov iterator */
resp_iov.iov_base = buf;
resp_iov.iov_len = len;
- iov_iter_init(&resp_iter, WRITE, &resp_iov, 1, len);
+ iov_iter_init(&resp_iter, ITER_DEST, &resp_iov, 1, len);
/* Perform the command */
rc = mutex_lock_interruptible(&sbefifo->lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 3bf4f2edc108..90e739d9aeee 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -790,8 +790,8 @@ static void gfx_v11_0_read_wave_data(struct amdgpu_device *adev, uint32_t simd,
* zero here */
WARN_ON(simd != 0);
- /* type 2 wave data */
- dst[(*no_fields)++] = 2;
+ /* type 3 wave data */
+ dst[(*no_fields)++] = 3;
dst[(*no_fields)++] = wave_read_ind(adev, wave, ixSQ_WAVE_STATUS);
dst[(*no_fields)++] = wave_read_ind(adev, wave, ixSQ_WAVE_PC_LO);
dst[(*no_fields)++] = wave_read_ind(adev, wave, ixSQ_WAVE_PC_HI);
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
index 15eb3658d70e..09fdcd20cb91 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
@@ -337,7 +337,13 @@ const struct nbio_hdp_flush_reg nbio_v4_3_hdp_flush_reg = {
static void nbio_v4_3_init_registers(struct amdgpu_device *adev)
{
- return;
+ if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(4, 3, 0)) {
+ uint32_t data;
+
+ data = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF2_STRAP2);
+ data &= ~RCC_DEV0_EPF2_STRAP2__STRAP_NO_SOFT_RESET_DEV0_F2_MASK;
+ WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF2_STRAP2, data);
+ }
}
static u32 nbio_v4_3_get_rom_offset(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 85bd1f18259c..b425ec00817c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -8784,6 +8784,13 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
if (!dm_old_crtc_state->stream)
goto skip_modeset;
+ /* Unset freesync video if it was active before */
+ if (dm_old_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED) {
+ dm_new_crtc_state->freesync_config.state = VRR_STATE_INACTIVE;
+ dm_new_crtc_state->freesync_config.fixed_refresh_in_uhz = 0;
+ }
+
+ /* Now check if we should set freesync video mode */
if (amdgpu_freesync_vid_mode && dm_new_crtc_state->stream &&
is_timing_unchanged_for_freesync(new_crtc_state,
old_crtc_state)) {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 2875f6bc3a6a..ed36088ebcfd 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1498,6 +1498,20 @@ static int smu_disable_dpms(struct smu_context *smu)
}
}
+ /*
+ * For SMU 13.0.4/11, PMFW will handle the features disablement properly
+ * for gpu reset case. Driver involvement is unnecessary.
+ */
+ if (amdgpu_in_reset(adev)) {
+ switch (adev->ip_versions[MP1_HWIP][0]) {
+ case IP_VERSION(13, 0, 4):
+ case IP_VERSION(13, 0, 11):
+ return 0;
+ default:
+ break;
+ }
+ }
+
/*
* For gpu reset, runpm and hibernation through BACO,
* BACO feature has to be kept enabled.
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index ed05070b7307..92925f0f7239 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1323,7 +1323,7 @@ static const struct intel_cdclk_vals adlp_cdclk_table[] = {
{ .refclk = 24000, .cdclk = 192000, .divider = 2, .ratio = 16 },
{ .refclk = 24000, .cdclk = 312000, .divider = 2, .ratio = 26 },
{ .refclk = 24000, .cdclk = 552000, .divider = 2, .ratio = 46 },
- { .refclk = 24400, .cdclk = 648000, .divider = 2, .ratio = 54 },
+ { .refclk = 24000, .cdclk = 648000, .divider = 2, .ratio = 54 },
{ .refclk = 38400, .cdclk = 179200, .divider = 3, .ratio = 14 },
{ .refclk = 38400, .cdclk = 192000, .divider = 2, .ratio = 10 },
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 2353723ca1bd..598028870124 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -1861,11 +1861,19 @@ static int get_ppgtt(struct drm_i915_file_private *file_priv,
vm = ctx->vm;
GEM_BUG_ON(!vm);
+ /*
+ * Get a reference for the allocated handle. Once the handle is
+ * visible in the vm_xa table, userspace could try to close it
+ * from under our feet, so we need to hold the extra reference
+ * first.
+ */
+ i915_vm_get(vm);
+
err = xa_alloc(&file_priv->vm_xa, &id, vm, xa_limit_32b, GFP_KERNEL);
- if (err)
+ if (err) {
+ i915_vm_put(vm);
return err;
-
- i915_vm_get(vm);
+ }
GEM_BUG_ON(id == 0); /* reserved for invalid/unassigned ppgtt */
args->value = id;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
index fd42b89b7162..bc21b1c2350a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
@@ -305,10 +305,6 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
spin_unlock(&obj->vma.lock);
obj->tiling_and_stride = tiling | stride;
- i915_gem_object_unlock(obj);
-
- /* Force the fence to be reacquired for GTT access */
- i915_gem_object_release_mmap_gtt(obj);
/* Try to preallocate memory required to save swizzling on put-pages */
if (i915_gem_object_needs_bit17_swizzle(obj)) {
@@ -321,6 +317,11 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
obj->bit_17 = NULL;
}
+ i915_gem_object_unlock(obj);
+
+ /* Force the fence to be reacquired for GTT access */
+ i915_gem_object_release_mmap_gtt(obj);
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index e94365b08f1e..2aa63ec521b8 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -528,7 +528,7 @@ struct i915_request *intel_context_create_request(struct intel_context *ce)
return rq;
}
-struct i915_request *intel_context_find_active_request(struct intel_context *ce)
+struct i915_request *intel_context_get_active_request(struct intel_context *ce)
{
struct intel_context *parent = intel_context_to_parent(ce);
struct i915_request *rq, *active = NULL;
@@ -552,6 +552,8 @@ struct i915_request *intel_context_find_active_request(struct intel_context *ce)
active = rq;
}
+ if (active)
+ active = i915_request_get_rcu(active);
spin_unlock_irqrestore(&parent->guc_state.lock, flags);
return active;
diff --git a/drivers/gpu/drm/i915/gt/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h
index be09fb2e883a..4ab6c8ddd6ec 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.h
+++ b/drivers/gpu/drm/i915/gt/intel_context.h
@@ -268,8 +268,7 @@ int intel_context_prepare_remote_request(struct intel_context *ce,
struct i915_request *intel_context_create_request(struct intel_context *ce);
-struct i915_request *
-intel_context_find_active_request(struct intel_context *ce);
+struct i915_request *intel_context_get_active_request(struct intel_context *ce);
static inline bool intel_context_is_barrier(const struct intel_context *ce)
{
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index cbc8b857d5f7..7a4504ea35c3 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -248,8 +248,8 @@ void intel_engine_dump_active_requests(struct list_head *requests,
ktime_t intel_engine_get_busy_time(struct intel_engine_cs *engine,
ktime_t *now);
-struct i915_request *
-intel_engine_execlist_find_hung_request(struct intel_engine_cs *engine);
+void intel_engine_get_hung_entity(struct intel_engine_cs *engine,
+ struct intel_context **ce, struct i915_request **rq);
u32 intel_engine_context_size(struct intel_gt *gt, u8 class);
struct intel_context *
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index fcbccd8d244e..b458547e1fc6 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -2078,17 +2078,6 @@ static void print_request_ring(struct drm_printer *m, struct i915_request *rq)
}
}
-static unsigned long list_count(struct list_head *list)
-{
- struct list_head *pos;
- unsigned long count = 0;
-
- list_for_each(pos, list)
- count++;
-
- return count;
-}
-
static unsigned long read_ul(void *p, size_t x)
{
return *(unsigned long *)(p + x);
@@ -2180,11 +2169,11 @@ void intel_engine_dump_active_requests(struct list_head *requests,
}
}
-static void engine_dump_active_requests(struct intel_engine_cs *engine, struct drm_printer *m)
+static void engine_dump_active_requests(struct intel_engine_cs *engine,
+ struct drm_printer *m)
{
+ struct intel_context *hung_ce = NULL;
struct i915_request *hung_rq = NULL;
- struct intel_context *ce;
- bool guc;
/*
* No need for an engine->irq_seqno_barrier() before the seqno reads.
@@ -2193,27 +2182,22 @@ static void engine_dump_active_requests(struct intel_engine_cs *engine, struct d
* But the intention here is just to report an instantaneous snapshot
* so that's fine.
*/
- lockdep_assert_held(&engine->sched_engine->lock);
+ intel_engine_get_hung_entity(engine, &hung_ce, &hung_rq);
drm_printf(m, "\tRequests:\n");
- guc = intel_uc_uses_guc_submission(&engine->gt->uc);
- if (guc) {
- ce = intel_engine_get_hung_context(engine);
- if (ce)
- hung_rq = intel_context_find_active_request(ce);
- } else {
- hung_rq = intel_engine_execlist_find_hung_request(engine);
- }
-
if (hung_rq)
engine_dump_request(hung_rq, m, "\t\thung");
+ else if (hung_ce)
+ drm_printf(m, "\t\tGot hung ce but no hung rq!\n");
- if (guc)
+ if (intel_uc_uses_guc_submission(&engine->gt->uc))
intel_guc_dump_active_requests(engine, hung_rq, m);
else
- intel_engine_dump_active_requests(&engine->sched_engine->requests,
- hung_rq, m);
+ intel_execlists_dump_active_requests(engine, hung_rq, m);
+
+ if (hung_rq)
+ i915_request_put(hung_rq);
}
void intel_engine_dump(struct intel_engine_cs *engine,
@@ -2223,7 +2207,6 @@ void intel_engine_dump(struct intel_engine_cs *engine,
struct i915_gpu_error * const error = &engine->i915->gpu_error;
struct i915_request *rq;
intel_wakeref_t wakeref;
- unsigned long flags;
ktime_t dummy;
if (header) {
@@ -2260,13 +2243,8 @@ void intel_engine_dump(struct intel_engine_cs *engine,
i915_reset_count(error));
print_properties(engine, m);
- spin_lock_irqsave(&engine->sched_engine->lock, flags);
engine_dump_active_requests(engine, m);
- drm_printf(m, "\tOn hold?: %lu\n",
- list_count(&engine->sched_engine->hold));
- spin_unlock_irqrestore(&engine->sched_engine->lock, flags);
-
drm_printf(m, "\tMMIO base: 0x%08x\n", engine->mmio_base);
wakeref = intel_runtime_pm_get_if_in_use(engine->uncore->rpm);
if (wakeref) {
@@ -2312,8 +2290,7 @@ intel_engine_create_virtual(struct intel_engine_cs **siblings,
return siblings[0]->cops->create_virtual(siblings, count, flags);
}
-struct i915_request *
-intel_engine_execlist_find_hung_request(struct intel_engine_cs *engine)
+static struct i915_request *engine_execlist_find_hung_request(struct intel_engine_cs *engine)
{
struct i915_request *request, *active = NULL;
@@ -2365,6 +2342,33 @@ intel_engine_execlist_find_hung_request(struct intel_engine_cs *engine)
return active;
}
+void intel_engine_get_hung_entity(struct intel_engine_cs *engine,
+ struct intel_context **ce, struct i915_request **rq)
+{
+ unsigned long flags;
+
+ *ce = intel_engine_get_hung_context(engine);
+ if (*ce) {
+ intel_engine_clear_hung_context(engine);
+
+ *rq = intel_context_get_active_request(*ce);
+ return;
+ }
+
+ /*
+ * Getting here with GuC enabled means it is a forced error capture
+ * with no actual hang. So, no need to attempt the execlist search.
+ */
+ if (intel_uc_uses_guc_submission(&engine->gt->uc))
+ return;
+
+ spin_lock_irqsave(&engine->sched_engine->lock, flags);
+ *rq = engine_execlist_find_hung_request(engine);
+ if (*rq)
+ *rq = i915_request_get_rcu(*rq);
+ spin_unlock_irqrestore(&engine->sched_engine->lock, flags);
+}
+
void xehp_enable_ccs_engines(struct intel_engine_cs *engine)
{
/*
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index c718e6dc40b5..bfd1ffc71a48 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -4144,6 +4144,33 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine,
spin_unlock_irqrestore(&sched_engine->lock, flags);
}
+static unsigned long list_count(struct list_head *list)
+{
+ struct list_head *pos;
+ unsigned long count = 0;
+
+ list_for_each(pos, list)
+ count++;
+
+ return count;
+}
+
+void intel_execlists_dump_active_requests(struct intel_engine_cs *engine,
+ struct i915_request *hung_rq,
+ struct drm_printer *m)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&engine->sched_engine->lock, flags);
+
+ intel_engine_dump_active_requests(&engine->sched_engine->requests, hung_rq, m);
+
+ drm_printf(m, "\tOn hold?: %lu\n",
+ list_count(&engine->sched_engine->hold));
+
+ spin_unlock_irqrestore(&engine->sched_engine->lock, flags);
+}
+
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftest_execlists.c"
#endif
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.h b/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
index a1aa92c983a5..d2c7d45ea062 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
@@ -32,6 +32,10 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine,
int indent),
unsigned int max);
+void intel_execlists_dump_active_requests(struct intel_engine_cs *engine,
+ struct i915_request *hung_rq,
+ struct drm_printer *m);
+
bool
intel_engine_in_execlists_submission_mode(const struct intel_engine_cs *engine);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 1a23e901cc66..0ec07dad1dcf 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1685,7 +1685,7 @@ static void __guc_reset_context(struct intel_context *ce, intel_engine_mask_t st
goto next_context;
guilty = false;
- rq = intel_context_find_active_request(ce);
+ rq = intel_context_get_active_request(ce);
if (!rq) {
head = ce->ring->tail;
goto out_replay;
@@ -1698,6 +1698,7 @@ static void __guc_reset_context(struct intel_context *ce, intel_engine_mask_t st
head = intel_ring_wrap(ce->ring, rq->head);
__i915_request_reset(rq, guilty);
+ i915_request_put(rq);
out_replay:
guc_reset_state(ce, head, guilty);
next_context:
@@ -4587,6 +4588,8 @@ void intel_guc_find_hung_context(struct intel_engine_cs *engine)
xa_lock_irqsave(&guc->context_lookup, flags);
xa_for_each(&guc->context_lookup, index, ce) {
+ bool found;
+
if (!kref_get_unless_zero(&ce->ref))
continue;
@@ -4603,10 +4606,18 @@ void intel_guc_find_hung_context(struct intel_engine_cs *engine)
goto next;
}
+ found = false;
+ spin_lock(&ce->guc_state.lock);
list_for_each_entry(rq, &ce->guc_state.requests, sched.link) {
if (i915_test_request_state(rq) != I915_REQUEST_ACTIVE)
continue;
+ found = true;
+ break;
+ }
+ spin_unlock(&ce->guc_state.lock);
+
+ if (found) {
intel_engine_set_hung_context(engine, ce);
/* Can only cope with one hang at a time... */
@@ -4614,6 +4625,7 @@ void intel_guc_find_hung_context(struct intel_engine_cs *engine)
xa_lock(&guc->context_lookup);
goto done;
}
+
next:
intel_context_put(ce);
xa_lock(&guc->context_lookup);
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 9ea2fe34e7d3..847b9e6af1a1 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1592,43 +1592,20 @@ capture_engine(struct intel_engine_cs *engine,
{
struct intel_engine_capture_vma *capture = NULL;
struct intel_engine_coredump *ee;
- struct intel_context *ce;
+ struct intel_context *ce = NULL;
struct i915_request *rq = NULL;
- unsigned long flags;
ee = intel_engine_coredump_alloc(engine, ALLOW_FAIL, dump_flags);
if (!ee)
return NULL;
- ce = intel_engine_get_hung_context(engine);
- if (ce) {
- intel_engine_clear_hung_context(engine);
- rq = intel_context_find_active_request(ce);
- if (!rq || !i915_request_started(rq))
- goto no_request_capture;
- } else {
- /*
- * Getting here with GuC enabled means it is a forced error capture
- * with no actual hang. So, no need to attempt the execlist search.
- */
- if (!intel_uc_uses_guc_submission(&engine->gt->uc)) {
- spin_lock_irqsave(&engine->sched_engine->lock, flags);
- rq = intel_engine_execlist_find_hung_request(engine);
- spin_unlock_irqrestore(&engine->sched_engine->lock,
- flags);
- }
- }
- if (rq)
- rq = i915_request_get_rcu(rq);
-
- if (!rq)
+ intel_engine_get_hung_entity(engine, &ce, &rq);
+ if (!rq || !i915_request_started(rq))
goto no_request_capture;
capture = intel_engine_coredump_add_request(ee, rq, ATOMIC_MAYFAIL);
- if (!capture) {
- i915_request_put(rq);
+ if (!capture)
goto no_request_capture;
- }
if (dump_flags & CORE_DUMP_FLAG_IS_GUC_CAPTURE)
intel_guc_capture_get_matching_node(engine->gt, ee, ce);
@@ -1638,6 +1615,8 @@ capture_engine(struct intel_engine_cs *engine,
return ee;
no_request_capture:
+ if (rq)
+ i915_request_put(rq);
kfree(ee);
return NULL;
}
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index 857a2f0420d7..c924f1124ebc 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -1193,14 +1193,11 @@ static int boe_panel_enter_sleep_mode(struct boe_panel *boe)
return 0;
}
-static int boe_panel_unprepare(struct drm_panel *panel)
+static int boe_panel_disable(struct drm_panel *panel)
{
struct boe_panel *boe = to_boe_panel(panel);
int ret;
- if (!boe->prepared)
- return 0;
-
ret = boe_panel_enter_sleep_mode(boe);
if (ret < 0) {
dev_err(panel->dev, "failed to set panel off: %d\n", ret);
@@ -1209,6 +1206,16 @@ static int boe_panel_unprepare(struct drm_panel *panel)
msleep(150);
+ return 0;
+}
+
+static int boe_panel_unprepare(struct drm_panel *panel)
+{
+ struct boe_panel *boe = to_boe_panel(panel);
+
+ if (!boe->prepared)
+ return 0;
+
if (boe->desc->discharge_on_disable) {
regulator_disable(boe->avee);
regulator_disable(boe->avdd);
@@ -1528,6 +1535,7 @@ static enum drm_panel_orientation boe_panel_get_orientation(struct drm_panel *pa
}
static const struct drm_panel_funcs boe_panel_funcs = {
+ .disable = boe_panel_disable,
.unprepare = boe_panel_unprepare,
.prepare = boe_panel_prepare,
.enable = boe_panel_enable,
diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c
index bc41a5ae810a..4bb3a247732d 100644
--- a/drivers/gpu/drm/solomon/ssd130x.c
+++ b/drivers/gpu/drm/solomon/ssd130x.c
@@ -665,18 +665,8 @@ static const struct drm_crtc_helper_funcs ssd130x_crtc_helper_funcs = {
.atomic_check = ssd130x_crtc_helper_atomic_check,
};
-static void ssd130x_crtc_reset(struct drm_crtc *crtc)
-{
- struct drm_device *drm = crtc->dev;
- struct ssd130x_device *ssd130x = drm_to_ssd130x(drm);
-
- ssd130x_init(ssd130x);
-
- drm_atomic_helper_crtc_reset(crtc);
-}
-
static const struct drm_crtc_funcs ssd130x_crtc_funcs = {
- .reset = ssd130x_crtc_reset,
+ .reset = drm_atomic_helper_crtc_reset,
.destroy = drm_crtc_cleanup,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
@@ -695,6 +685,12 @@ static void ssd130x_encoder_helper_atomic_enable(struct drm_encoder *encoder,
if (ret)
return;
+ ret = ssd130x_init(ssd130x);
+ if (ret) {
+ ssd130x_power_off(ssd130x);
+ return;
+ }
+
ssd130x_write_cmd(ssd130x, 1, SSD130X_DISPLAY_ON);
backlight_enable(ssd130x->bl_dev);
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 470432c8fd70..c4b73d9dd040 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -3009,7 +3009,8 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi)
}
vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
- vc4_hdmi, "vc4",
+ vc4_hdmi,
+ vc4_hdmi->variant->card_name,
CEC_CAP_DEFAULTS |
CEC_CAP_CONNECTOR_INFO, 1);
ret = PTR_ERR_OR_ZERO(vc4_hdmi->cec_adap);
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 6c127f061f06..f98c849096f7 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -1911,7 +1911,7 @@ static void hv_balloon_debugfs_init(struct hv_dynmem_device *b)
static void hv_balloon_debugfs_exit(struct hv_dynmem_device *b)
{
- debugfs_remove(debugfs_lookup("hv-balloon", NULL));
+ debugfs_lookup_and_remove("hv-balloon", NULL);
}
#else
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index e499f96506c5..782fe1ef3ca1 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -396,6 +396,8 @@ static const struct pci_device_id i2_designware_pci_ids[] = {
{ PCI_VDEVICE(ATI, 0x73a4), navi_amd },
{ PCI_VDEVICE(ATI, 0x73e4), navi_amd },
{ PCI_VDEVICE(ATI, 0x73c4), navi_amd },
+ { PCI_VDEVICE(ATI, 0x7444), navi_amd },
+ { PCI_VDEVICE(ATI, 0x7464), navi_amd },
{ 0,}
};
MODULE_DEVICE_TABLE(pci, i2_designware_pci_ids);
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 5af5cffc444e..d113bed79545 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -826,8 +826,8 @@ static int mxs_i2c_probe(struct platform_device *pdev)
/* Setup the DMA */
i2c->dmach = dma_request_chan(dev, "rx-tx");
if (IS_ERR(i2c->dmach)) {
- dev_err(dev, "Failed to request dma\n");
- return PTR_ERR(i2c->dmach);
+ return dev_err_probe(dev, PTR_ERR(i2c->dmach),
+ "Failed to request dma\n");
}
platform_set_drvdata(pdev, i2c);
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index d1658ed76562..b31cf4f18f85 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -80,7 +80,7 @@ enum {
#define DEFAULT_SCL_RATE (100 * 1000) /* Hz */
/**
- * struct i2c_spec_values:
+ * struct i2c_spec_values - I2C specification values for various modes
* @min_hold_start_ns: min hold time (repeated) START condition
* @min_low_ns: min LOW period of the SCL clock
* @min_high_ns: min HIGH period of the SCL cloc
@@ -136,7 +136,7 @@ static const struct i2c_spec_values fast_mode_plus_spec = {
};
/**
- * struct rk3x_i2c_calced_timings:
+ * struct rk3x_i2c_calced_timings - calculated V1 timings
* @div_low: Divider output for low
* @div_high: Divider output for high
* @tuning: Used to adjust setup/hold data time,
@@ -159,7 +159,7 @@ enum rk3x_i2c_state {
};
/**
- * struct rk3x_i2c_soc_data:
+ * struct rk3x_i2c_soc_data - SOC-specific data
* @grf_offset: offset inside the grf regmap for setting the i2c type
* @calc_timings: Callback function for i2c timing information calculated
*/
@@ -239,7 +239,8 @@ static inline void rk3x_i2c_clean_ipd(struct rk3x_i2c *i2c)
}
/**
- * Generate a START condition, which triggers a REG_INT_START interrupt.
+ * rk3x_i2c_start - Generate a START condition, which triggers a REG_INT_START interrupt.
+ * @i2c: target controller data
*/
static void rk3x_i2c_start(struct rk3x_i2c *i2c)
{
@@ -258,8 +259,8 @@ static void rk3x_i2c_start(struct rk3x_i2c *i2c)
}
/**
- * Generate a STOP condition, which triggers a REG_INT_STOP interrupt.
- *
+ * rk3x_i2c_stop - Generate a STOP condition, which triggers a REG_INT_STOP interrupt.
+ * @i2c: target controller data
* @error: Error code to return in rk3x_i2c_xfer
*/
static void rk3x_i2c_stop(struct rk3x_i2c *i2c, int error)
@@ -298,7 +299,8 @@ static void rk3x_i2c_stop(struct rk3x_i2c *i2c, int error)
}
/**
- * Setup a read according to i2c->msg
+ * rk3x_i2c_prepare_read - Setup a read according to i2c->msg
+ * @i2c: target controller data
*/
static void rk3x_i2c_prepare_read(struct rk3x_i2c *i2c)
{
@@ -329,7 +331,8 @@ static void rk3x_i2c_prepare_read(struct rk3x_i2c *i2c)
}
/**
- * Fill the transmit buffer with data from i2c->msg
+ * rk3x_i2c_fill_transmit_buf - Fill the transmit buffer with data from i2c->msg
+ * @i2c: target controller data
*/
static void rk3x_i2c_fill_transmit_buf(struct rk3x_i2c *i2c)
{
@@ -532,11 +535,10 @@ static irqreturn_t rk3x_i2c_irq(int irqno, void *dev_id)
}
/**
- * Get timing values of I2C specification
- *
+ * rk3x_i2c_get_spec - Get timing values of I2C specification
* @speed: Desired SCL frequency
*
- * Returns: Matched i2c spec values.
+ * Return: Matched i2c_spec_values.
*/
static const struct i2c_spec_values *rk3x_i2c_get_spec(unsigned int speed)
{
@@ -549,13 +551,12 @@ static const struct i2c_spec_values *rk3x_i2c_get_spec(unsigned int speed)
}
/**
- * Calculate divider values for desired SCL frequency
- *
+ * rk3x_i2c_v0_calc_timings - Calculate divider values for desired SCL frequency
* @clk_rate: I2C input clock rate
* @t: Known I2C timing information
* @t_calc: Caculated rk3x private timings that would be written into regs
*
- * Returns: 0 on success, -EINVAL if the goal SCL rate is too slow. In that case
+ * Return: %0 on success, -%EINVAL if the goal SCL rate is too slow. In that case
* a best-effort divider value is returned in divs. If the target rate is
* too high, we silently use the highest possible rate.
*/
@@ -710,13 +711,12 @@ static int rk3x_i2c_v0_calc_timings(unsigned long clk_rate,
}
/**
- * Calculate timing values for desired SCL frequency
- *
+ * rk3x_i2c_v1_calc_timings - Calculate timing values for desired SCL frequency
* @clk_rate: I2C input clock rate
* @t: Known I2C timing information
* @t_calc: Caculated rk3x private timings that would be written into regs
*
- * Returns: 0 on success, -EINVAL if the goal SCL rate is too slow. In that case
+ * Return: %0 on success, -%EINVAL if the goal SCL rate is too slow. In that case
* a best-effort divider value is returned in divs. If the target rate is
* too high, we silently use the highest possible rate.
* The following formulas are v1's method to calculate timings.
@@ -960,14 +960,14 @@ static int rk3x_i2c_clk_notifier_cb(struct notifier_block *nb, unsigned long
}
/**
- * Setup I2C registers for an I2C operation specified by msgs, num.
- *
- * Must be called with i2c->lock held.
- *
+ * rk3x_i2c_setup - Setup I2C registers for an I2C operation specified by msgs, num.
+ * @i2c: target controller data
* @msgs: I2C msgs to process
* @num: Number of msgs
*
- * returns: Number of I2C msgs processed or negative in case of error
+ * Must be called with i2c->lock held.
+ *
+ * Return: Number of I2C msgs processed or negative in case of error
*/
static int rk3x_i2c_setup(struct rk3x_i2c *i2c, struct i2c_msg *msgs, int num)
{
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index a2def6f9380a..5eac7ea19993 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -280,6 +280,7 @@ static int accel_3d_capture_sample(struct hid_sensor_hub_device *hsdev,
hid_sensor_convert_timestamp(
&accel_state->common_attributes,
*(int64_t *)raw_data);
+ ret = 0;
break;
default:
break;
diff --git a/drivers/iio/adc/berlin2-adc.c b/drivers/iio/adc/berlin2-adc.c
index 3d2e8b4db61a..a4e7c7eff5ac 100644
--- a/drivers/iio/adc/berlin2-adc.c
+++ b/drivers/iio/adc/berlin2-adc.c
@@ -298,8 +298,10 @@ static int berlin2_adc_probe(struct platform_device *pdev)
int ret;
indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*priv));
- if (!indio_dev)
+ if (!indio_dev) {
+ of_node_put(parent_np);
return -ENOMEM;
+ }
priv = iio_priv(indio_dev);
diff --git a/drivers/iio/adc/imx8qxp-adc.c b/drivers/iio/adc/imx8qxp-adc.c
index 36777b827165..f5a0fc9e64c5 100644
--- a/drivers/iio/adc/imx8qxp-adc.c
+++ b/drivers/iio/adc/imx8qxp-adc.c
@@ -86,6 +86,8 @@
#define IMX8QXP_ADC_TIMEOUT msecs_to_jiffies(100)
+#define IMX8QXP_ADC_MAX_FIFO_SIZE 16
+
struct imx8qxp_adc {
struct device *dev;
void __iomem *regs;
@@ -95,6 +97,7 @@ struct imx8qxp_adc {
/* Serialise ADC channel reads */
struct mutex lock;
struct completion completion;
+ u32 fifo[IMX8QXP_ADC_MAX_FIFO_SIZE];
};
#define IMX8QXP_ADC_CHAN(_idx) { \
@@ -238,8 +241,7 @@ static int imx8qxp_adc_read_raw(struct iio_dev *indio_dev,
return ret;
}
- *val = FIELD_GET(IMX8QXP_ADC_RESFIFO_VAL_MASK,
- readl(adc->regs + IMX8QXP_ADR_ADC_RESFIFO));
+ *val = adc->fifo[0];
mutex_unlock(&adc->lock);
return IIO_VAL_INT;
@@ -265,10 +267,15 @@ static irqreturn_t imx8qxp_adc_isr(int irq, void *dev_id)
{
struct imx8qxp_adc *adc = dev_id;
u32 fifo_count;
+ int i;
fifo_count = FIELD_GET(IMX8QXP_ADC_FCTRL_FCOUNT_MASK,
readl(adc->regs + IMX8QXP_ADR_ADC_FCTRL));
+ for (i = 0; i < fifo_count; i++)
+ adc->fifo[i] = FIELD_GET(IMX8QXP_ADC_RESFIFO_VAL_MASK,
+ readl_relaxed(adc->regs + IMX8QXP_ADR_ADC_RESFIFO));
+
if (fifo_count)
complete(&adc->completion);
diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 6d21ea84fa82..a428bdb567d5 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -1520,6 +1520,7 @@ static const struct of_device_id stm32_dfsdm_adc_match[] = {
},
{}
};
+MODULE_DEVICE_TABLE(of, stm32_dfsdm_adc_match);
static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
{
diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c
index f53e8558b560..32873fb5f367 100644
--- a/drivers/iio/adc/twl6030-gpadc.c
+++ b/drivers/iio/adc/twl6030-gpadc.c
@@ -57,6 +57,18 @@
#define TWL6030_GPADCS BIT(1)
#define TWL6030_GPADCR BIT(0)
+#define USB_VBUS_CTRL_SET 0x04
+#define USB_ID_CTRL_SET 0x06
+
+#define TWL6030_MISC1 0xE4
+#define VBUS_MEAS 0x01
+#define ID_MEAS 0x01
+
+#define VAC_MEAS 0x04
+#define VBAT_MEAS 0x02
+#define BB_MEAS 0x01
+
+
/**
* struct twl6030_chnl_calib - channel calibration
* @gain: slope coefficient for ideal curve
@@ -927,6 +939,26 @@ static int twl6030_gpadc_probe(struct platform_device *pdev)
return ret;
}
+ ret = twl_i2c_write_u8(TWL_MODULE_USB, VBUS_MEAS, USB_VBUS_CTRL_SET);
+ if (ret < 0) {
+ dev_err(dev, "failed to wire up inputs\n");
+ return ret;
+ }
+
+ ret = twl_i2c_write_u8(TWL_MODULE_USB, ID_MEAS, USB_ID_CTRL_SET);
+ if (ret < 0) {
+ dev_err(dev, "failed to wire up inputs\n");
+ return ret;
+ }
+
+ ret = twl_i2c_write_u8(TWL6030_MODULE_ID0,
+ VBAT_MEAS | BB_MEAS | VAC_MEAS,
+ TWL6030_MISC1);
+ if (ret < 0) {
+ dev_err(dev, "failed to wire up inputs\n");
+ return ret;
+ }
+
indio_dev->name = DRIVER_NAME;
indio_dev->info = &twl6030_gpadc_iio_info;
indio_dev->modes = INDIO_DIRECT_MODE;
diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
index 5b4bdf3a26bb..a507d2e17079 100644
--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -1329,7 +1329,7 @@ static int ams_parse_firmware(struct iio_dev *indio_dev)
dev_channels = devm_krealloc(dev, ams_channels, dev_size, GFP_KERNEL);
if (!dev_channels)
- ret = -ENOMEM;
+ return -ENOMEM;
indio_dev->channels = dev_channels;
indio_dev->num_channels = num_channels;
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index 8f0ad022c7f1..698c50da1f10 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -231,6 +231,7 @@ static int gyro_3d_capture_sample(struct hid_sensor_hub_device *hsdev,
gyro_state->timestamp =
hid_sensor_convert_timestamp(&gyro_state->common_attributes,
*(s64 *)raw_data);
+ ret = 0;
break;
default:
break;
diff --git a/drivers/iio/imu/fxos8700_core.c b/drivers/iio/imu/fxos8700_core.c
index 423cfe526f2a..6d189c4b9ff9 100644
--- a/drivers/iio/imu/fxos8700_core.c
+++ b/drivers/iio/imu/fxos8700_core.c
@@ -10,6 +10,7 @@
#include <linux/regmap.h>
#include <linux/acpi.h>
#include <linux/bitops.h>
+#include <linux/bitfield.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
@@ -144,9 +145,8 @@
#define FXOS8700_NVM_DATA_BNK0 0xa7
/* Bit definitions for FXOS8700_CTRL_REG1 */
-#define FXOS8700_CTRL_ODR_MSK 0x38
#define FXOS8700_CTRL_ODR_MAX 0x00
-#define FXOS8700_CTRL_ODR_MIN GENMASK(4, 3)
+#define FXOS8700_CTRL_ODR_MSK GENMASK(5, 3)
/* Bit definitions for FXOS8700_M_CTRL_REG1 */
#define FXOS8700_HMS_MASK GENMASK(1, 0)
@@ -320,7 +320,7 @@ static enum fxos8700_sensor fxos8700_to_sensor(enum iio_chan_type iio_type)
switch (iio_type) {
case IIO_ACCEL:
return FXOS8700_ACCEL;
- case IIO_ANGL_VEL:
+ case IIO_MAGN:
return FXOS8700_MAGN;
default:
return -EINVAL;
@@ -345,15 +345,35 @@ static int fxos8700_set_active_mode(struct fxos8700_data *data,
static int fxos8700_set_scale(struct fxos8700_data *data,
enum fxos8700_sensor t, int uscale)
{
- int i;
+ int i, ret, val;
+ bool active_mode;
static const int scale_num = ARRAY_SIZE(fxos8700_accel_scale);
struct device *dev = regmap_get_device(data->regmap);
if (t == FXOS8700_MAGN) {
- dev_err(dev, "Magnetometer scale is locked at 1200uT\n");
+ dev_err(dev, "Magnetometer scale is locked at 0.001Gs\n");
return -EINVAL;
}
+ /*
+ * When device is in active mode, it failed to set an ACCEL
+ * full-scale range(2g/4g/8g) in FXOS8700_XYZ_DATA_CFG.
+ * This is not align with the datasheet, but it is a fxos8700
+ * chip behavier. Set the device in standby mode before setting
+ * an ACCEL full-scale range.
+ */
+ ret = regmap_read(data->regmap, FXOS8700_CTRL_REG1, &val);
+ if (ret)
+ return ret;
+
+ active_mode = val & FXOS8700_ACTIVE;
+ if (active_mode) {
+ ret = regmap_write(data->regmap, FXOS8700_CTRL_REG1,
+ val & ~FXOS8700_ACTIVE);
+ if (ret)
+ return ret;
+ }
+
for (i = 0; i < scale_num; i++)
if (fxos8700_accel_scale[i].uscale == uscale)
break;
@@ -361,8 +381,12 @@ static int fxos8700_set_scale(struct fxos8700_data *data,
if (i == scale_num)
return -EINVAL;
- return regmap_write(data->regmap, FXOS8700_XYZ_DATA_CFG,
+ ret = regmap_write(data->regmap, FXOS8700_XYZ_DATA_CFG,
fxos8700_accel_scale[i].bits);
+ if (ret)
+ return ret;
+ return regmap_write(data->regmap, FXOS8700_CTRL_REG1,
+ active_mode);
}
static int fxos8700_get_scale(struct fxos8700_data *data,
@@ -372,7 +396,7 @@ static int fxos8700_get_scale(struct fxos8700_data *data,
static const int scale_num = ARRAY_SIZE(fxos8700_accel_scale);
if (t == FXOS8700_MAGN) {
- *uscale = 1200; /* Magnetometer is locked at 1200uT */
+ *uscale = 1000; /* Magnetometer is locked at 0.001Gs */
return 0;
}
@@ -394,22 +418,61 @@ static int fxos8700_get_data(struct fxos8700_data *data, int chan_type,
int axis, int *val)
{
u8 base, reg;
+ s16 tmp;
int ret;
- enum fxos8700_sensor type = fxos8700_to_sensor(chan_type);
- base = type ? FXOS8700_OUT_X_MSB : FXOS8700_M_OUT_X_MSB;
+ /*
+ * Different register base addresses varies with channel types.
+ * This bug hasn't been noticed before because using an enum is
+ * really hard to read. Use an a switch statement to take over that.
+ */
+ switch (chan_type) {
+ case IIO_ACCEL:
+ base = FXOS8700_OUT_X_MSB;
+ break;
+ case IIO_MAGN:
+ base = FXOS8700_M_OUT_X_MSB;
+ break;
+ default:
+ return -EINVAL;
+ }
/* Block read 6 bytes of device output registers to avoid data loss */
ret = regmap_bulk_read(data->regmap, base, data->buf,
- FXOS8700_DATA_BUF_SIZE);
+ sizeof(data->buf));
if (ret)
return ret;
/* Convert axis to buffer index */
reg = axis - IIO_MOD_X;
+ /*
+ * Convert to native endianness. The accel data and magn data
+ * are signed, so a forced type conversion is needed.
+ */
+ tmp = be16_to_cpu(data->buf[reg]);
+
+ /*
+ * ACCEL output data registers contain the X-axis, Y-axis, and Z-axis
+ * 14-bit left-justified sample data and MAGN output data registers
+ * contain the X-axis, Y-axis, and Z-axis 16-bit sample data. Apply
+ * a signed 2 bits right shift to the readback raw data from ACCEL
+ * output data register and keep that from MAGN sensor as the origin.
+ * Value should be extended to 32 bit.
+ */
+ switch (chan_type) {
+ case IIO_ACCEL:
+ tmp = tmp >> 2;
+ break;
+ case IIO_MAGN:
+ /* Nothing to do */
+ break;
+ default:
+ return -EINVAL;
+ }
+
/* Convert to native endianness */
- *val = sign_extend32(be16_to_cpu(data->buf[reg]), 15);
+ *val = sign_extend32(tmp, 15);
return 0;
}
@@ -445,10 +508,9 @@ static int fxos8700_set_odr(struct fxos8700_data *data, enum fxos8700_sensor t,
if (i >= odr_num)
return -EINVAL;
- return regmap_update_bits(data->regmap,
- FXOS8700_CTRL_REG1,
- FXOS8700_CTRL_ODR_MSK + FXOS8700_ACTIVE,
- fxos8700_odr[i].bits << 3 | active_mode);
+ val &= ~FXOS8700_CTRL_ODR_MSK;
+ val |= FIELD_PREP(FXOS8700_CTRL_ODR_MSK, fxos8700_odr[i].bits) | FXOS8700_ACTIVE;
+ return regmap_write(data->regmap, FXOS8700_CTRL_REG1, val);
}
static int fxos8700_get_odr(struct fxos8700_data *data, enum fxos8700_sensor t,
@@ -461,7 +523,7 @@ static int fxos8700_get_odr(struct fxos8700_data *data, enum fxos8700_sensor t,
if (ret)
return ret;
- val &= FXOS8700_CTRL_ODR_MSK;
+ val = FIELD_GET(FXOS8700_CTRL_ODR_MSK, val);
for (i = 0; i < odr_num; i++)
if (val == fxos8700_odr[i].bits)
@@ -526,7 +588,7 @@ static IIO_CONST_ATTR(in_accel_sampling_frequency_available,
static IIO_CONST_ATTR(in_magn_sampling_frequency_available,
"1.5625 6.25 12.5 50 100 200 400 800");
static IIO_CONST_ATTR(in_accel_scale_available, "0.000244 0.000488 0.000976");
-static IIO_CONST_ATTR(in_magn_scale_available, "0.000001200");
+static IIO_CONST_ATTR(in_magn_scale_available, "0.001000");
static struct attribute *fxos8700_attrs[] = {
&iio_const_attr_in_accel_sampling_frequency_available.dev_attr.attr,
@@ -592,14 +654,19 @@ static int fxos8700_chip_init(struct fxos8700_data *data, bool use_spi)
if (ret)
return ret;
- /* Max ODR (800Hz individual or 400Hz hybrid), active mode */
- ret = regmap_write(data->regmap, FXOS8700_CTRL_REG1,
- FXOS8700_CTRL_ODR_MAX | FXOS8700_ACTIVE);
+ /*
+ * Set max full-scale range (+/-8G) for ACCEL sensor in chip
+ * initialization then activate the device.
+ */
+ ret = regmap_write(data->regmap, FXOS8700_XYZ_DATA_CFG, MODE_8G);
if (ret)
return ret;
- /* Set for max full-scale range (+/-8G) */
- return regmap_write(data->regmap, FXOS8700_XYZ_DATA_CFG, MODE_8G);
+ /* Max ODR (800Hz individual or 400Hz hybrid), active mode */
+ return regmap_update_bits(data->regmap, FXOS8700_CTRL_REG1,
+ FXOS8700_CTRL_ODR_MSK | FXOS8700_ACTIVE,
+ FIELD_PREP(FXOS8700_CTRL_ODR_MSK, FXOS8700_CTRL_ODR_MAX) |
+ FXOS8700_ACTIVE);
}
static void fxos8700_chip_uninit(void *data)
diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
index 001055d09750..b1674a5bfa36 100644
--- a/drivers/iio/light/cm32181.c
+++ b/drivers/iio/light/cm32181.c
@@ -440,6 +440,8 @@ static int cm32181_probe(struct i2c_client *client)
if (!indio_dev)
return -ENOMEM;
+ i2c_set_clientdata(client, indio_dev);
+
/*
* Some ACPI systems list 2 I2C resources for the CM3218 sensor, the
* SMBus Alert Response Address (ARA, 0x0c) and the actual I2C address.
@@ -460,8 +462,6 @@ static int cm32181_probe(struct i2c_client *client)
return PTR_ERR(client);
}
- i2c_set_clientdata(client, indio_dev);
-
cm32181 = iio_priv(indio_dev);
cm32181->client = client;
cm32181->dev = dev;
@@ -490,7 +490,8 @@ static int cm32181_probe(struct i2c_client *client)
static int cm32181_suspend(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
+ struct cm32181_chip *cm32181 = iio_priv(dev_get_drvdata(dev));
+ struct i2c_client *client = cm32181->client;
return i2c_smbus_write_word_data(client, CM32181_REG_ADDR_CMD,
CM32181_CMD_ALS_DISABLE);
@@ -498,8 +499,8 @@ static int cm32181_suspend(struct device *dev)
static int cm32181_resume(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
struct cm32181_chip *cm32181 = iio_priv(dev_get_drvdata(dev));
+ struct i2c_client *client = cm32181->client;
return i2c_smbus_write_word_data(client, CM32181_REG_ADDR_CMD,
cm32181->conf_regs[CM32181_REG_ADDR_CMD]);
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 8546b8816524..730f2f1e09bb 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -966,7 +966,7 @@ static void rtrs_clt_init_req(struct rtrs_clt_io_req *req,
refcount_set(&req->ref, 1);
req->mp_policy = clt_path->clt->mp_policy;
- iov_iter_kvec(&iter, READ, vec, 1, usr_len);
+ iov_iter_kvec(&iter, ITER_SOURCE, vec, 1, usr_len);
len = _copy_from_iter(req->iu->buf, usr_len, &iter);
WARN_ON(len != usr_len);
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index a77195e378b7..c24771336f61 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -706,7 +706,7 @@ l1oip_socket_thread(void *data)
printk(KERN_DEBUG "%s: socket created and open\n",
__func__);
while (!signal_pending(current)) {
- iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, recvbuf_size);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &iov, 1, recvbuf_size);
recvlen = sock_recvmsg(socket, &msg, 0);
if (recvlen > 0) {
l1oip_socket_parse(hc, &sin_rx, recvbuf, recvlen);
diff --git a/drivers/md/bcache/bcache_ondisk.h b/drivers/md/bcache/bcache_ondisk.h
index 97413586195b..f96034e0ba4f 100644
--- a/drivers/md/bcache/bcache_ondisk.h
+++ b/drivers/md/bcache/bcache_ondisk.h
@@ -106,7 +106,8 @@ static inline unsigned long bkey_bytes(const struct bkey *k)
return bkey_u64s(k) * sizeof(__u64);
}
-#define bkey_copy(_dest, _src) memcpy(_dest, _src, bkey_bytes(_src))
+#define bkey_copy(_dest, _src) unsafe_memcpy(_dest, _src, bkey_bytes(_src), \
+ /* bkey is always padded */)
static inline void bkey_copy_key(struct bkey *dest, const struct bkey *src)
{
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index e5da469a4235..c182c21de2e8 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -149,7 +149,8 @@ reread: left = ca->sb.bucket_size - offset;
bytes, GFP_KERNEL);
if (!i)
return -ENOMEM;
- memcpy(&i->j, j, bytes);
+ unsafe_memcpy(&i->j, j, bytes,
+ /* "bytes" was calculated by set_bytes() above */);
/* Add to the location after 'where' points to */
list_add(&i->list, where);
ret = 1;
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-api.c b/drivers/media/v4l2-core/v4l2-ctrls-api.c
index 3d3b6dc24ca6..002ea6588edf 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-api.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-api.c
@@ -150,8 +150,8 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
* then return an error.
*/
if (strlen(ctrl->p_new.p_char) == ctrl->maximum && last)
- ctrl->is_new = 1;
return -ERANGE;
+ ctrl->is_new = 1;
}
return ret;
default:
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c
index 844264e1b88c..73d71c4ec139 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.c
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c
@@ -3044,7 +3044,7 @@ ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair,
if (!qpair || !buf)
return VMCI_ERROR_INVALID_ARGS;
- iov_iter_kvec(&from, WRITE, &v, 1, buf_size);
+ iov_iter_kvec(&from, ITER_SOURCE, &v, 1, buf_size);
qp_lock(qpair);
@@ -3088,7 +3088,7 @@ ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair,
if (!qpair || !buf)
return VMCI_ERROR_INVALID_ARGS;
- iov_iter_kvec(&to, READ, &v, 1, buf_size);
+ iov_iter_kvec(&to, ITER_DEST, &v, 1, buf_size);
qp_lock(qpair);
@@ -3133,7 +3133,7 @@ ssize_t vmci_qpair_peek(struct vmci_qp *qpair,
if (!qpair || !buf)
return VMCI_ERROR_INVALID_ARGS;
- iov_iter_kvec(&to, READ, &v, 1, buf_size);
+ iov_iter_kvec(&to, ITER_DEST, &v, 1, buf_size);
qp_lock(qpair);
diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ethtool.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ethtool.c
index 3585f02575df..57eeb066a945 100644
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ethtool.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ethtool.c
@@ -48,6 +48,7 @@ mcp251xfd_ring_set_ringparam(struct net_device *ndev,
priv->rx_obj_num = layout.cur_rx;
priv->rx_obj_num_coalesce_irq = layout.rx_coalesce;
priv->tx->obj_num = layout.cur_tx;
+ priv->tx_obj_num_coalesce_irq = layout.tx_coalesce;
return 0;
}
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index fc68a32ce2f7..d8fb7d4ebd51 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -2400,6 +2400,9 @@ static int dpaa_eth_poll(struct napi_struct *napi, int budget)
cleaned = qman_p_poll_dqrr(np->p, budget);
+ if (np->xdp_act & XDP_REDIRECT)
+ xdp_do_flush();
+
if (cleaned < budget) {
napi_complete_done(napi, cleaned);
qman_p_irqsource_add(np->p, QM_PIRQ_DQRI);
@@ -2407,9 +2410,6 @@ static int dpaa_eth_poll(struct napi_struct *napi, int budget)
qman_p_irqsource_add(np->p, QM_PIRQ_DQRI);
}
- if (np->xdp_act & XDP_REDIRECT)
- xdp_do_flush();
-
return cleaned;
}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 8d029addddad..6383d9805dac 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -1868,10 +1868,15 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget)
if (rx_cleaned >= budget ||
txconf_cleaned >= DPAA2_ETH_TXCONF_PER_NAPI) {
work_done = budget;
+ if (ch->xdp.res & XDP_REDIRECT)
+ xdp_do_flush();
goto out;
}
} while (store_cleaned);
+ if (ch->xdp.res & XDP_REDIRECT)
+ xdp_do_flush();
+
/* Update NET DIM with the values for this CDAN */
dpaa2_io_update_net_dim(ch->dpio, ch->stats.frames_per_cdan,
ch->stats.bytes_per_cdan);
@@ -1902,9 +1907,7 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget)
txc_fq->dq_bytes = 0;
}
- if (ch->xdp.res & XDP_REDIRECT)
- xdp_do_flush_map();
- else if (rx_cleaned && ch->xdp.res & XDP_TX)
+ if (rx_cleaned && ch->xdp.res & XDP_TX)
dpaa2_eth_xdp_tx_flush(priv, ch, &priv->fq[flowid]);
return work_done;
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 001500afc4a6..e04871379baa 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -856,7 +856,7 @@ void ice_set_ethtool_repr_ops(struct net_device *netdev);
void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
u16 ice_get_avail_txq_count(struct ice_pf *pf);
u16 ice_get_avail_rxq_count(struct ice_pf *pf);
-int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx);
+int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked);
void ice_update_vsi_stats(struct ice_vsi *vsi);
void ice_update_pf_stats(struct ice_pf *pf);
void
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
index add90e75f05c..9aa0437aa598 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
@@ -434,7 +434,7 @@ int ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked)
goto out;
}
- ice_pf_dcb_recfg(pf);
+ ice_pf_dcb_recfg(pf, false);
out:
/* enable previously downed VSIs */
@@ -724,12 +724,13 @@ static int ice_dcb_noncontig_cfg(struct ice_pf *pf)
/**
* ice_pf_dcb_recfg - Reconfigure all VEBs and VSIs
* @pf: pointer to the PF struct
+ * @locked: is adev device lock held
*
* Assumed caller has already disabled all VSIs before
* calling this function. Reconfiguring DCB based on
* local_dcbx_cfg.
*/
-void ice_pf_dcb_recfg(struct ice_pf *pf)
+void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked)
{
struct ice_dcbx_cfg *dcbcfg = &pf->hw.port_info->qos_cfg.local_dcbx_cfg;
struct iidc_event *event;
@@ -776,14 +777,16 @@ void ice_pf_dcb_recfg(struct ice_pf *pf)
if (vsi->type == ICE_VSI_PF)
ice_dcbnl_set_all(vsi);
}
- /* Notify the AUX drivers that TC change is finished */
- event = kzalloc(sizeof(*event), GFP_KERNEL);
- if (!event)
- return;
+ if (!locked) {
+ /* Notify the AUX drivers that TC change is finished */
+ event = kzalloc(sizeof(*event), GFP_KERNEL);
+ if (!event)
+ return;
- set_bit(IIDC_EVENT_AFTER_TC_CHANGE, event->type);
- ice_send_event_to_aux(pf, event);
- kfree(event);
+ set_bit(IIDC_EVENT_AFTER_TC_CHANGE, event->type);
+ ice_send_event_to_aux(pf, event);
+ kfree(event);
+ }
}
/**
@@ -1034,7 +1037,7 @@ ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf,
}
/* changes in configuration update VSI */
- ice_pf_dcb_recfg(pf);
+ ice_pf_dcb_recfg(pf, false);
/* enable previously downed VSIs */
ice_dcb_ena_dis_vsi(pf, true, true);
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.h b/drivers/net/ethernet/intel/ice/ice_dcb_lib.h
index 4c421c842a13..800879a88c5e 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.h
@@ -23,7 +23,7 @@ u8 ice_dcb_get_tc(struct ice_vsi *vsi, int queue_index);
int
ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked);
int ice_dcb_bwchk(struct ice_pf *pf, struct ice_dcbx_cfg *dcbcfg);
-void ice_pf_dcb_recfg(struct ice_pf *pf);
+void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked);
void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi);
int ice_init_pf_dcb(struct ice_pf *pf, bool locked);
void ice_update_dcb_stats(struct ice_pf *pf);
@@ -128,7 +128,7 @@ static inline u8 ice_get_pfc_mode(struct ice_pf *pf)
return 0;
}
-static inline void ice_pf_dcb_recfg(struct ice_pf *pf) { }
+static inline void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked) { }
static inline void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi) { }
static inline void ice_update_dcb_stats(struct ice_pf *pf) { }
static inline void
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index b7be84bbe72d..e1f6373a3a2c 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -3472,7 +3472,9 @@ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
int new_rx = 0, new_tx = 0;
+ bool locked = false;
u32 curr_combined;
+ int ret = 0;
/* do not support changing channels in Safe Mode */
if (ice_is_safe_mode(pf)) {
@@ -3536,15 +3538,33 @@ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
return -EINVAL;
}
- ice_vsi_recfg_qs(vsi, new_rx, new_tx);
+ if (pf->adev) {
+ mutex_lock(&pf->adev_mutex);
+ device_lock(&pf->adev->dev);
+ locked = true;
+ if (pf->adev->dev.driver) {
+ netdev_err(dev, "Cannot change channels when RDMA is active\n");
+ ret = -EBUSY;
+ goto adev_unlock;
+ }
+ }
+
+ ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
- if (!netif_is_rxfh_configured(dev))
- return ice_vsi_set_dflt_rss_lut(vsi, new_rx);
+ if (!netif_is_rxfh_configured(dev)) {
+ ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
+ goto adev_unlock;
+ }
/* Update rss_size due to change in Rx queues */
vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
- return 0;
+adev_unlock:
+ if (locked) {
+ device_unlock(&pf->adev->dev);
+ mutex_unlock(&pf->adev_mutex);
+ }
+ return ret;
}
/**
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index ca2898467dcb..1ac5f0018c7e 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -4192,12 +4192,13 @@ bool ice_is_wol_supported(struct ice_hw *hw)
* @vsi: VSI being changed
* @new_rx: new number of Rx queues
* @new_tx: new number of Tx queues
+ * @locked: is adev device_lock held
*
* Only change the number of queues if new_tx, or new_rx is non-0.
*
* Returns 0 on success.
*/
-int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx)
+int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked)
{
struct ice_pf *pf = vsi->back;
int err = 0, timeout = 50;
@@ -4226,7 +4227,7 @@ int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx)
ice_vsi_close(vsi);
ice_vsi_rebuild(vsi, false);
- ice_pf_dcb_recfg(pf);
+ ice_pf_dcb_recfg(pf, locked);
ice_vsi_open(vsi);
done:
clear_bit(ICE_CFG_BUSY, pf->state);
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index c34734d432e0..4e10ced736db 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -417,10 +417,12 @@ static int igc_ptp_verify_pin(struct ptp_clock_info *ptp, unsigned int pin,
*
* We need to convert the system time value stored in the RX/TXSTMP registers
* into a hwtstamp which can be used by the upper level timestamping functions.
+ *
+ * Returns 0 on success.
**/
-static void igc_ptp_systim_to_hwtstamp(struct igc_adapter *adapter,
- struct skb_shared_hwtstamps *hwtstamps,
- u64 systim)
+static int igc_ptp_systim_to_hwtstamp(struct igc_adapter *adapter,
+ struct skb_shared_hwtstamps *hwtstamps,
+ u64 systim)
{
switch (adapter->hw.mac.type) {
case igc_i225:
@@ -430,8 +432,9 @@ static void igc_ptp_systim_to_hwtstamp(struct igc_adapter *adapter,
systim & 0xFFFFFFFF);
break;
default:
- break;
+ return -EINVAL;
}
+ return 0;
}
/**
@@ -652,7 +655,8 @@ static void igc_ptp_tx_hwtstamp(struct igc_adapter *adapter)
regval = rd32(IGC_TXSTMPL);
regval |= (u64)rd32(IGC_TXSTMPH) << 32;
- igc_ptp_systim_to_hwtstamp(adapter, &shhwtstamps, regval);
+ if (igc_ptp_systim_to_hwtstamp(adapter, &shhwtstamps, regval))
+ return;
switch (adapter->link_speed) {
case SPEED_10:
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c
index 88dee589cb21..dc7bd2ce78f7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c
@@ -1500,6 +1500,9 @@ static const struct devlink_param rvu_af_dl_params[] = {
BIT(DEVLINK_PARAM_CMODE_RUNTIME),
rvu_af_dl_dwrr_mtu_get, rvu_af_dl_dwrr_mtu_set,
rvu_af_dl_dwrr_mtu_validate),
+};
+
+static const struct devlink_param rvu_af_dl_param_exact_match[] = {
DEVLINK_PARAM_DRIVER(RVU_AF_DEVLINK_PARAM_ID_NPC_EXACT_FEATURE_DISABLE,
"npc_exact_feature_disable", DEVLINK_PARAM_TYPE_STRING,
BIT(DEVLINK_PARAM_CMODE_RUNTIME),
@@ -1563,7 +1566,6 @@ int rvu_register_dl(struct rvu *rvu)
{
struct rvu_devlink *rvu_dl;
struct devlink *dl;
- size_t size;
int err;
dl = devlink_alloc(&rvu_devlink_ops, sizeof(struct rvu_devlink),
@@ -1585,21 +1587,32 @@ int rvu_register_dl(struct rvu *rvu)
goto err_dl_health;
}
+ err = devlink_params_register(dl, rvu_af_dl_params, ARRAY_SIZE(rvu_af_dl_params));
+ if (err) {
+ dev_err(rvu->dev,
+ "devlink params register failed with error %d", err);
+ goto err_dl_health;
+ }
+
/* Register exact match devlink only for CN10K-B */
- size = ARRAY_SIZE(rvu_af_dl_params);
if (!rvu_npc_exact_has_match_table(rvu))
- size -= 1;
+ goto done;
- err = devlink_params_register(dl, rvu_af_dl_params, size);
+ err = devlink_params_register(dl, rvu_af_dl_param_exact_match,
+ ARRAY_SIZE(rvu_af_dl_param_exact_match));
if (err) {
dev_err(rvu->dev,
- "devlink params register failed with error %d", err);
- goto err_dl_health;
+ "devlink exact match params register failed with error %d", err);
+ goto err_dl_exact_match;
}
+done:
devlink_register(dl);
return 0;
+err_dl_exact_match:
+ devlink_params_unregister(dl, rvu_af_dl_params, ARRAY_SIZE(rvu_af_dl_params));
+
err_dl_health:
rvu_health_reporters_destroy(rvu);
devlink_free(dl);
@@ -1612,8 +1625,14 @@ void rvu_unregister_dl(struct rvu *rvu)
struct devlink *dl = rvu_dl->dl;
devlink_unregister(dl);
- devlink_params_unregister(dl, rvu_af_dl_params,
- ARRAY_SIZE(rvu_af_dl_params));
+
+ devlink_params_unregister(dl, rvu_af_dl_params, ARRAY_SIZE(rvu_af_dl_params));
+
+ /* Unregister exact match devlink only for CN10K-B */
+ if (rvu_npc_exact_has_match_table(rvu))
+ devlink_params_unregister(dl, rvu_af_dl_param_exact_match,
+ ARRAY_SIZE(rvu_af_dl_param_exact_match));
+
rvu_health_reporters_destroy(rvu);
devlink_free(dl);
}
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index 7c2af482192d..cb1746bc0e0c 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -1438,6 +1438,10 @@ int qede_poll(struct napi_struct *napi, int budget)
rx_work_done = (likely(fp->type & QEDE_FASTPATH_RX) &&
qede_has_rx_work(fp->rxq)) ?
qede_rx_int(fp, budget) : 0;
+
+ if (fp->xdp_xmit & QEDE_XDP_REDIRECT)
+ xdp_do_flush();
+
/* Handle case where we are called by netpoll with a budget of 0 */
if (rx_work_done < budget || !budget) {
if (!qede_poll_is_more_work(fp)) {
@@ -1457,9 +1461,6 @@ int qede_poll(struct napi_struct *napi, int budget)
qede_update_tx_producer(fp->xdp_tx);
}
- if (fp->xdp_xmit & QEDE_XDP_REDIRECT)
- xdp_do_flush_map();
-
return rx_work_done;
}
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 0556542d7a6b..3a86f1213a05 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1003,8 +1003,11 @@ static int efx_pci_probe_post_io(struct efx_nic *efx)
/* Determine netdevice features */
net_dev->features |= (efx->type->offload_features | NETIF_F_SG |
NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_RXALL);
- if (efx->type->offload_features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM))
+ if (efx->type->offload_features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM)) {
net_dev->features |= NETIF_F_TSO6;
+ if (efx_has_cap(efx, TX_TSO_V2_ENCAP))
+ net_dev->hw_enc_features |= NETIF_F_TSO6;
+ }
/* Check whether device supports TSO */
if (!efx->type->tso_versions || !efx->type->tso_versions(efx))
net_dev->features &= ~NETIF_F_ALL_TSO;
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 9352dad58996..e02d1e3ef672 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -987,9 +987,6 @@ static void netvsc_copy_to_send_buf(struct netvsc_device *net_device,
void netvsc_dma_unmap(struct hv_device *hv_dev,
struct hv_netvsc_packet *packet)
{
- u32 page_count = packet->cp_partial ?
- packet->page_buf_cnt - packet->rmsg_pgcnt :
- packet->page_buf_cnt;
int i;
if (!hv_is_isolation_supported())
@@ -998,7 +995,7 @@ void netvsc_dma_unmap(struct hv_device *hv_dev,
if (!packet->dma_range)
return;
- for (i = 0; i < page_count; i++)
+ for (i = 0; i < packet->page_buf_cnt; i++)
dma_unmap_single(&hv_dev->device, packet->dma_range[i].dma,
packet->dma_range[i].mapping_size,
DMA_TO_DEVICE);
@@ -1028,9 +1025,7 @@ static int netvsc_dma_map(struct hv_device *hv_dev,
struct hv_netvsc_packet *packet,
struct hv_page_buffer *pb)
{
- u32 page_count = packet->cp_partial ?
- packet->page_buf_cnt - packet->rmsg_pgcnt :
- packet->page_buf_cnt;
+ u32 page_count = packet->page_buf_cnt;
dma_addr_t dma;
int i;
diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index b60db8b6f477..267e6fd3d444 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -233,7 +233,8 @@ static int dp83822_config_intr(struct phy_device *phydev)
DP83822_ENERGY_DET_INT_EN |
DP83822_LINK_QUAL_INT_EN);
- if (!dp83822->fx_enabled)
+ /* Private data pointer is NULL on DP83825/26 */
+ if (!dp83822 || !dp83822->fx_enabled)
misr_status |= DP83822_ANEG_COMPLETE_INT_EN |
DP83822_DUP_MODE_CHANGE_INT_EN |
DP83822_SPEED_CHANGED_INT_EN;
@@ -253,7 +254,8 @@ static int dp83822_config_intr(struct phy_device *phydev)
DP83822_PAGE_RX_INT_EN |
DP83822_EEE_ERROR_CHANGE_INT_EN);
- if (!dp83822->fx_enabled)
+ /* Private data pointer is NULL on DP83825/26 */
+ if (!dp83822 || !dp83822->fx_enabled)
misr_status |= DP83822_ANEG_ERR_INT_EN |
DP83822_WOL_PKT_INT_EN;
diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index c49062ad72c6..5e41658b1e2f 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -271,6 +271,8 @@ static struct phy_driver meson_gxl_phy[] = {
.handle_interrupt = meson_gxl_handle_interrupt,
.suspend = genphy_suspend,
.resume = genphy_resume,
+ .read_mmd = genphy_read_mmd_unsupported,
+ .write_mmd = genphy_write_mmd_unsupported,
},
};
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index d4c821c8cf57..1d71f5276241 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -480,7 +480,7 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
ret = -EFAULT;
iov.iov_base = buf;
iov.iov_len = count;
- iov_iter_init(&to, READ, &iov, 1, count);
+ iov_iter_init(&to, ITER_DEST, &iov, 1, count);
if (skb_copy_datagram_iter(skb, 0, &to, skb->len))
goto outf;
ret = skb->len;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 3cd15f16090f..20b1b34a092a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1673,13 +1673,13 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
received = virtnet_receive(rq, budget, &xdp_xmit);
+ if (xdp_xmit & VIRTIO_XDP_REDIR)
+ xdp_do_flush();
+
/* Out of packets? */
if (received < budget)
virtqueue_napi_complete(napi, rq->vq, received);
- if (xdp_xmit & VIRTIO_XDP_REDIR)
- xdp_do_flush();
-
if (xdp_xmit & VIRTIO_XDP_TX) {
sq = virtnet_xdp_get_sq(vi);
if (virtqueue_kick_prepare(sq->vq) && virtqueue_notify(sq->vq)) {
@@ -2154,8 +2154,8 @@ static int virtnet_close(struct net_device *dev)
cancel_delayed_work_sync(&vi->refill);
for (i = 0; i < vi->max_queue_pairs; i++) {
- xdp_rxq_info_unreg(&vi->rq[i].xdp_rxq);
napi_disable(&vi->rq[i].napi);
+ xdp_rxq_info_unreg(&vi->rq[i].xdp_rxq);
virtnet_napi_tx_disable(&vi->sq[i].napi);
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index dfcfb3333369..ea8409e0e70e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -91,6 +91,9 @@
#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
(sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
+#define BRCMF_MAX_CHANSPEC_LIST \
+ (BRCMF_DCMD_MEDLEN / sizeof(__le32) - 1)
+
static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
{
if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
@@ -6556,6 +6559,13 @@ static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
band->channels[i].flags = IEEE80211_CHAN_DISABLED;
total = le32_to_cpu(list->count);
+ if (total > BRCMF_MAX_CHANSPEC_LIST) {
+ bphy_err(drvr, "Invalid count of channel Spec. (%u)\n",
+ total);
+ err = -EINVAL;
+ goto fail_pbuf;
+ }
+
for (i = 0; i < total; i++) {
ch.chspec = (u16)le32_to_cpu(list->element[i]);
cfg->d11inf.decchspec(&ch);
@@ -6701,6 +6711,13 @@ static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ];
list = (struct brcmf_chanspec_list *)pbuf;
num_chan = le32_to_cpu(list->count);
+ if (num_chan > BRCMF_MAX_CHANSPEC_LIST) {
+ bphy_err(drvr, "Invalid count of channel Spec. (%u)\n",
+ num_chan);
+ kfree(pbuf);
+ return -EINVAL;
+ }
+
for (i = 0; i < num_chan; i++) {
ch.chspec = (u16)le32_to_cpu(list->element[i]);
cfg->d11inf.decchspec(&ch);
diff --git a/drivers/net/wwan/t7xx/t7xx_pci.c b/drivers/net/wwan/t7xx/t7xx_pci.c
index 871f2a27a398..226fc1703e90 100644
--- a/drivers/net/wwan/t7xx/t7xx_pci.c
+++ b/drivers/net/wwan/t7xx/t7xx_pci.c
@@ -121,6 +121,8 @@ void t7xx_pci_pm_init_late(struct t7xx_pci_dev *t7xx_dev)
iowrite32(T7XX_L1_BIT(0), IREG_BASE(t7xx_dev) + ENABLE_ASPM_LOWPWR);
atomic_set(&t7xx_dev->md_pm_state, MTK_PM_RESUMED);
+ pm_runtime_mark_last_busy(&t7xx_dev->pdev->dev);
+ pm_runtime_allow(&t7xx_dev->pdev->dev);
pm_runtime_put_noidle(&t7xx_dev->pdev->dev);
}
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index eacd445b5333..4c052c261517 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -301,7 +301,7 @@ static inline void nvme_tcp_advance_req(struct nvme_tcp_request *req,
if (!iov_iter_count(&req->iter) &&
req->data_sent < req->data_len) {
req->curr_bio = req->curr_bio->bi_next;
- nvme_tcp_init_iter(req, WRITE);
+ nvme_tcp_init_iter(req, ITER_SOURCE);
}
}
@@ -781,7 +781,7 @@ static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb,
nvme_tcp_init_recv_ctx(queue);
return -EIO;
}
- nvme_tcp_init_iter(req, READ);
+ nvme_tcp_init_iter(req, ITER_DEST);
}
/* we can read only from what is left in this bio */
diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c
index e55ec6fefd7f..871c4f32f443 100644
--- a/drivers/nvme/target/io-cmd-file.c
+++ b/drivers/nvme/target/io-cmd-file.c
@@ -92,10 +92,10 @@ static ssize_t nvmet_file_submit_bvec(struct nvmet_req *req, loff_t pos,
if (req->cmd->rw.control & cpu_to_le16(NVME_RW_FUA))
ki_flags |= IOCB_DSYNC;
call_iter = req->ns->file->f_op->write_iter;
- rw = WRITE;
+ rw = ITER_SOURCE;
} else {
call_iter = req->ns->file->f_op->read_iter;
- rw = READ;
+ rw = ITER_DEST;
}
iov_iter_bvec(&iter, rw, req->f.bvec, nr_segs, count);
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 6c1476e086ef..cc05c094de22 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -331,7 +331,7 @@ static void nvmet_tcp_build_pdu_iovec(struct nvmet_tcp_cmd *cmd)
sg_offset = 0;
}
- iov_iter_bvec(&cmd->recv_msg.msg_iter, READ, cmd->iov,
+ iov_iter_bvec(&cmd->recv_msg.msg_iter, ITER_DEST, cmd->iov,
nr_pages, cmd->pdu_len);
}
diff --git a/drivers/nvmem/brcm_nvram.c b/drivers/nvmem/brcm_nvram.c
index 4441daa20965..7bd65fc2942e 100644
--- a/drivers/nvmem/brcm_nvram.c
+++ b/drivers/nvmem/brcm_nvram.c
@@ -97,6 +97,9 @@ static int brcm_nvram_parse(struct brcm_nvram *priv)
len = le32_to_cpu(header.len);
data = kzalloc(len, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
memcpy_fromio(data, priv->base, len);
data[len - 1] = '\0';
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 321d7d63e068..34ee9d36ee7b 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -770,31 +770,32 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
return ERR_PTR(rval);
}
- if (config->wp_gpio)
- nvmem->wp_gpio = config->wp_gpio;
- else if (!config->ignore_wp)
+ nvmem->id = rval;
+
+ nvmem->dev.type = &nvmem_provider_type;
+ nvmem->dev.bus = &nvmem_bus_type;
+ nvmem->dev.parent = config->dev;
+
+ device_initialize(&nvmem->dev);
+
+ if (!config->ignore_wp)
nvmem->wp_gpio = gpiod_get_optional(config->dev, "wp",
GPIOD_OUT_HIGH);
if (IS_ERR(nvmem->wp_gpio)) {
- ida_free(&nvmem_ida, nvmem->id);
rval = PTR_ERR(nvmem->wp_gpio);
- kfree(nvmem);
- return ERR_PTR(rval);
+ nvmem->wp_gpio = NULL;
+ goto err_put_device;
}
kref_init(&nvmem->refcnt);
INIT_LIST_HEAD(&nvmem->cells);
- nvmem->id = rval;
nvmem->owner = config->owner;
if (!nvmem->owner && config->dev->driver)
nvmem->owner = config->dev->driver->owner;
nvmem->stride = config->stride ?: 1;
nvmem->word_size = config->word_size ?: 1;
nvmem->size = config->size;
- nvmem->dev.type = &nvmem_provider_type;
- nvmem->dev.bus = &nvmem_bus_type;
- nvmem->dev.parent = config->dev;
nvmem->root_only = config->root_only;
nvmem->priv = config->priv;
nvmem->type = config->type;
@@ -822,11 +823,8 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
break;
}
- if (rval) {
- ida_free(&nvmem_ida, nvmem->id);
- kfree(nvmem);
- return ERR_PTR(rval);
- }
+ if (rval)
+ goto err_put_device;
nvmem->read_only = device_property_present(config->dev, "read-only") ||
config->read_only || !nvmem->reg_write;
@@ -835,28 +833,22 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
nvmem->dev.groups = nvmem_dev_groups;
#endif
- dev_dbg(&nvmem->dev, "Registering nvmem device %s\n", config->name);
-
- rval = device_register(&nvmem->dev);
- if (rval)
- goto err_put_device;
-
if (nvmem->nkeepout) {
rval = nvmem_validate_keepouts(nvmem);
if (rval)
- goto err_device_del;
+ goto err_put_device;
}
if (config->compat) {
rval = nvmem_sysfs_setup_compat(nvmem, config);
if (rval)
- goto err_device_del;
+ goto err_put_device;
}
if (config->cells) {
rval = nvmem_add_cells(nvmem, config->cells, config->ncells);
if (rval)
- goto err_teardown_compat;
+ goto err_remove_cells;
}
rval = nvmem_add_cells_from_table(nvmem);
@@ -867,17 +859,20 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
if (rval)
goto err_remove_cells;
+ dev_dbg(&nvmem->dev, "Registering nvmem device %s\n", config->name);
+
+ rval = device_add(&nvmem->dev);
+ if (rval)
+ goto err_remove_cells;
+
blocking_notifier_call_chain(&nvmem_notifier, NVMEM_ADD, nvmem);
return nvmem;
err_remove_cells:
nvmem_device_remove_all_cells(nvmem);
-err_teardown_compat:
if (config->compat)
nvmem_sysfs_remove_compat(nvmem, config);
-err_device_del:
- device_del(&nvmem->dev);
err_put_device:
put_device(&nvmem->dev);
@@ -1242,16 +1237,21 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id)
if (!cell_np)
return ERR_PTR(-ENOENT);
- nvmem_np = of_get_next_parent(cell_np);
- if (!nvmem_np)
+ nvmem_np = of_get_parent(cell_np);
+ if (!nvmem_np) {
+ of_node_put(cell_np);
return ERR_PTR(-EINVAL);
+ }
nvmem = __nvmem_device_get(nvmem_np, device_match_of_node);
of_node_put(nvmem_np);
- if (IS_ERR(nvmem))
+ if (IS_ERR(nvmem)) {
+ of_node_put(cell_np);
return ERR_CAST(nvmem);
+ }
cell_entry = nvmem_find_cell_entry_by_node(nvmem, cell_np);
+ of_node_put(cell_np);
if (!cell_entry) {
__nvmem_device_put(nvmem);
return ERR_PTR(-ENOENT);
diff --git a/drivers/nvmem/qcom-spmi-sdam.c b/drivers/nvmem/qcom-spmi-sdam.c
index 4fcb63507ecd..8499892044b7 100644
--- a/drivers/nvmem/qcom-spmi-sdam.c
+++ b/drivers/nvmem/qcom-spmi-sdam.c
@@ -166,6 +166,7 @@ static const struct of_device_id sdam_match_table[] = {
{ .compatible = "qcom,spmi-sdam" },
{},
};
+MODULE_DEVICE_TABLE(of, sdam_match_table);
static struct platform_driver sdam_driver = {
.driver = {
diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c
index 5750e1f4bcdb..92dfe4cb10e3 100644
--- a/drivers/nvmem/sunxi_sid.c
+++ b/drivers/nvmem/sunxi_sid.c
@@ -41,8 +41,21 @@ static int sunxi_sid_read(void *context, unsigned int offset,
void *val, size_t bytes)
{
struct sunxi_sid *sid = context;
+ u32 word;
+
+ /* .stride = 4 so offset is guaranteed to be aligned */
+ __ioread32_copy(val, sid->base + sid->value_offset + offset, bytes / 4);
- memcpy_fromio(val, sid->base + sid->value_offset + offset, bytes);
+ val += round_down(bytes, 4);
+ offset += round_down(bytes, 4);
+ bytes = bytes % 4;
+
+ if (!bytes)
+ return 0;
+
+ /* Handle any trailing bytes */
+ word = readl_relaxed(sid->base + sid->value_offset + offset);
+ memcpy(val, &word, bytes);
return 0;
}
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index f08b25195ae7..d1a68b6d03b3 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -26,7 +26,6 @@
#include <linux/serial_core.h>
#include <linux/sysfs.h>
#include <linux/random.h>
-#include <linux/kmemleak.h>
#include <asm/setup.h> /* for COMMAND_LINE_SIZE */
#include <asm/page.h>
@@ -525,12 +524,9 @@ static int __init __reserved_mem_reserve_reg(unsigned long node,
size = dt_mem_next_cell(dt_root_size_cells, &prop);
if (size &&
- early_init_dt_reserve_memory(base, size, nomap) == 0) {
+ early_init_dt_reserve_memory(base, size, nomap) == 0)
pr_debug("Reserved memory: reserved region for node '%s': base %pa, size %lu MiB\n",
uname, &base, (unsigned long)(size / SZ_1M));
- if (!nomap)
- kmemleak_alloc_phys(base, size, 0);
- }
else
pr_err("Reserved memory: failed to reserve memory for node '%s': base %pa, size %lu MiB\n",
uname, &base, (unsigned long)(size / SZ_1M));
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
index adcda7762acf..816829105135 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -2296,15 +2296,11 @@ static void qmp_combo_disable_autonomous_mode(struct qmp_phy *qphy)
static int __maybe_unused qmp_combo_runtime_suspend(struct device *dev)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
- struct qmp_phy *qphy = qmp->phys[0];
+ struct qmp_phy *qphy = qmp->usb_phy;
const struct qmp_phy_cfg *cfg = qphy->cfg;
dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qphy->mode);
- /* Supported only for USB3 PHY and luckily USB3 is the first phy */
- if (cfg->type != PHY_TYPE_USB3)
- return 0;
-
if (!qmp->init_count) {
dev_vdbg(dev, "PHY not initialized, bailing out\n");
return 0;
@@ -2321,16 +2317,12 @@ static int __maybe_unused qmp_combo_runtime_suspend(struct device *dev)
static int __maybe_unused qmp_combo_runtime_resume(struct device *dev)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
- struct qmp_phy *qphy = qmp->phys[0];
+ struct qmp_phy *qphy = qmp->usb_phy;
const struct qmp_phy_cfg *cfg = qphy->cfg;
int ret = 0;
dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qphy->mode);
- /* Supported only for USB3 PHY and luckily USB3 is the first phy */
- if (cfg->type != PHY_TYPE_USB3)
- return 0;
-
if (!qmp->init_count) {
dev_vdbg(dev, "PHY not initialized, bailing out\n");
return 0;
diff --git a/drivers/platform/x86/amd/Kconfig b/drivers/platform/x86/amd/Kconfig
index a825af8126c8..2ce8cb2170df 100644
--- a/drivers/platform/x86/amd/Kconfig
+++ b/drivers/platform/x86/amd/Kconfig
@@ -8,6 +8,7 @@ source "drivers/platform/x86/amd/pmf/Kconfig"
config AMD_PMC
tristate "AMD SoC PMC driver"
depends on ACPI && PCI && RTC_CLASS
+ select SERIO
help
The driver provides support for AMD Power Management Controller
primarily responsible for S2Idle transactions that are driven from
diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index 8d924986381b..be1b49824edb 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -22,6 +22,7 @@
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
+#include <linux/serio.h>
#include <linux/suspend.h>
#include <linux/seq_file.h>
#include <linux/uaccess.h>
@@ -653,6 +654,33 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
return -EINVAL;
}
+static int amd_pmc_czn_wa_irq1(struct amd_pmc_dev *pdev)
+{
+ struct device *d;
+ int rc;
+
+ if (!pdev->major) {
+ rc = amd_pmc_get_smu_version(pdev);
+ if (rc)
+ return rc;
+ }
+
+ if (pdev->major > 64 || (pdev->major == 64 && pdev->minor > 65))
+ return 0;
+
+ d = bus_find_device_by_name(&serio_bus, NULL, "serio0");
+ if (!d)
+ return 0;
+ if (device_may_wakeup(d)) {
+ dev_info_once(d, "Disabling IRQ1 wakeup source to avoid platform firmware bug\n");
+ disable_irq_wake(1);
+ device_set_wakeup_enable(d, false);
+ }
+ put_device(d);
+
+ return 0;
+}
+
static int amd_pmc_verify_czn_rtc(struct amd_pmc_dev *pdev, u32 *arg)
{
struct rtc_device *rtc_device;
@@ -782,6 +810,25 @@ static struct acpi_s2idle_dev_ops amd_pmc_s2idle_dev_ops = {
.check = amd_pmc_s2idle_check,
.restore = amd_pmc_s2idle_restore,
};
+
+static int __maybe_unused amd_pmc_suspend_handler(struct device *dev)
+{
+ struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
+
+ if (pdev->cpu_id == AMD_CPU_ID_CZN) {
+ int rc = amd_pmc_czn_wa_irq1(pdev);
+
+ if (rc) {
+ dev_err(pdev->dev, "failed to adjust keyboard wakeup: %d\n", rc);
+ return rc;
+ }
+ }
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(amd_pmc_pm, amd_pmc_suspend_handler, NULL);
+
#endif
static const struct pci_device_id pmc_pci_ids[] = {
@@ -980,6 +1027,9 @@ static struct platform_driver amd_pmc_driver = {
.name = "amd_pmc",
.acpi_match_table = amd_pmc_acpi_ids,
.dev_groups = pmc_groups,
+#ifdef CONFIG_SUSPEND
+ .pm = &amd_pmc_pm,
+#endif
},
.probe = amd_pmc_probe,
.remove = amd_pmc_remove,
diff --git a/drivers/platform/x86/amd/pmf/auto-mode.c b/drivers/platform/x86/amd/pmf/auto-mode.c
index 644af42e07cf..96a8e1832c05 100644
--- a/drivers/platform/x86/amd/pmf/auto-mode.c
+++ b/drivers/platform/x86/amd/pmf/auto-mode.c
@@ -275,13 +275,8 @@ int amd_pmf_reset_amt(struct amd_pmf_dev *dev)
*/
if (is_apmf_func_supported(dev, APMF_FUNC_STATIC_SLIDER_GRANULAR)) {
- int mode = amd_pmf_get_pprof_modes(dev);
-
- if (mode < 0)
- return mode;
-
dev_dbg(dev->dev, "resetting AMT thermals\n");
- amd_pmf_update_slider(dev, SLIDER_OP_SET, mode, NULL);
+ amd_pmf_set_sps_power_limits(dev);
}
return 0;
}
@@ -299,7 +294,5 @@ void amd_pmf_deinit_auto_mode(struct amd_pmf_dev *dev)
void amd_pmf_init_auto_mode(struct amd_pmf_dev *dev)
{
amd_pmf_load_defaults_auto_mode(dev);
- /* update the thermal limits for Automode */
- amd_pmf_set_automode(dev, config_store.current_mode, NULL);
amd_pmf_init_metrics_table(dev);
}
diff --git a/drivers/platform/x86/amd/pmf/cnqf.c b/drivers/platform/x86/amd/pmf/cnqf.c
index 668c7c0fea83..f39275ec5cc9 100644
--- a/drivers/platform/x86/amd/pmf/cnqf.c
+++ b/drivers/platform/x86/amd/pmf/cnqf.c
@@ -103,7 +103,7 @@ int amd_pmf_trans_cnqf(struct amd_pmf_dev *dev, int socket_power, ktime_t time_l
src = amd_pmf_cnqf_get_power_source(dev);
- if (dev->current_profile == PLATFORM_PROFILE_BALANCED) {
+ if (is_pprof_balanced(dev)) {
amd_pmf_set_cnqf(dev, src, config_store.current_mode, NULL);
} else {
/*
@@ -307,13 +307,9 @@ static ssize_t cnqf_enable_store(struct device *dev,
const char *buf, size_t count)
{
struct amd_pmf_dev *pdev = dev_get_drvdata(dev);
- int mode, result, src;
+ int result, src;
bool input;
- mode = amd_pmf_get_pprof_modes(pdev);
- if (mode < 0)
- return mode;
-
result = kstrtobool(buf, &input);
if (result)
return result;
@@ -321,11 +317,11 @@ static ssize_t cnqf_enable_store(struct device *dev,
src = amd_pmf_cnqf_get_power_source(pdev);
pdev->cnqf_enabled = input;
- if (pdev->cnqf_enabled && pdev->current_profile == PLATFORM_PROFILE_BALANCED) {
+ if (pdev->cnqf_enabled && is_pprof_balanced(pdev)) {
amd_pmf_set_cnqf(pdev, src, config_store.current_mode, NULL);
} else {
if (is_apmf_func_supported(pdev, APMF_FUNC_STATIC_SLIDER_GRANULAR))
- amd_pmf_update_slider(pdev, SLIDER_OP_SET, mode, NULL);
+ amd_pmf_set_sps_power_limits(pdev);
}
dev_dbg(pdev->dev, "Received CnQF %s\n", input ? "on" : "off");
@@ -386,7 +382,7 @@ int amd_pmf_init_cnqf(struct amd_pmf_dev *dev)
dev->cnqf_enabled = amd_pmf_check_flags(dev);
/* update the thermal for CnQF */
- if (dev->cnqf_enabled && dev->current_profile == PLATFORM_PROFILE_BALANCED) {
+ if (dev->cnqf_enabled && is_pprof_balanced(dev)) {
src = amd_pmf_cnqf_get_power_source(dev);
amd_pmf_set_cnqf(dev, src, config_store.current_mode, NULL);
}
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c
index a5f5a4bcff6d..da23639071d7 100644
--- a/drivers/platform/x86/amd/pmf/core.c
+++ b/drivers/platform/x86/amd/pmf/core.c
@@ -58,6 +58,25 @@ static bool force_load;
module_param(force_load, bool, 0444);
MODULE_PARM_DESC(force_load, "Force load this driver on supported older platforms (experimental)");
+static int amd_pmf_pwr_src_notify_call(struct notifier_block *nb, unsigned long event, void *data)
+{
+ struct amd_pmf_dev *pmf = container_of(nb, struct amd_pmf_dev, pwr_src_notifier);
+
+ if (event != PSY_EVENT_PROP_CHANGED)
+ return NOTIFY_OK;
+
+ if (is_apmf_func_supported(pmf, APMF_FUNC_AUTO_MODE) ||
+ is_apmf_func_supported(pmf, APMF_FUNC_DYN_SLIDER_DC) ||
+ is_apmf_func_supported(pmf, APMF_FUNC_DYN_SLIDER_AC)) {
+ if ((pmf->amt_enabled || pmf->cnqf_enabled) && is_pprof_balanced(pmf))
+ return NOTIFY_DONE;
+ }
+
+ amd_pmf_set_sps_power_limits(pmf);
+
+ return NOTIFY_OK;
+}
+
static int current_power_limits_show(struct seq_file *seq, void *unused)
{
struct amd_pmf_dev *dev = seq->private;
@@ -366,14 +385,18 @@ static int amd_pmf_probe(struct platform_device *pdev)
if (!dev->regbase)
return -ENOMEM;
+ mutex_init(&dev->lock);
+ mutex_init(&dev->update_mutex);
+
apmf_acpi_init(dev);
platform_set_drvdata(pdev, dev);
amd_pmf_init_features(dev);
apmf_install_handler(dev);
amd_pmf_dbgfs_register(dev);
- mutex_init(&dev->lock);
- mutex_init(&dev->update_mutex);
+ dev->pwr_src_notifier.notifier_call = amd_pmf_pwr_src_notify_call;
+ power_supply_reg_notifier(&dev->pwr_src_notifier);
+
dev_info(dev->dev, "registered PMF device successfully\n");
return 0;
@@ -383,11 +406,12 @@ static int amd_pmf_remove(struct platform_device *pdev)
{
struct amd_pmf_dev *dev = platform_get_drvdata(pdev);
- mutex_destroy(&dev->lock);
- mutex_destroy(&dev->update_mutex);
+ power_supply_unreg_notifier(&dev->pwr_src_notifier);
amd_pmf_deinit_features(dev);
apmf_acpi_deinit(dev);
amd_pmf_dbgfs_unregister(dev);
+ mutex_destroy(&dev->lock);
+ mutex_destroy(&dev->update_mutex);
kfree(dev->buf);
return 0;
}
diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h
index 84bbe2c6ea61..06c30cdc0573 100644
--- a/drivers/platform/x86/amd/pmf/pmf.h
+++ b/drivers/platform/x86/amd/pmf/pmf.h
@@ -169,6 +169,7 @@ struct amd_pmf_dev {
struct mutex update_mutex; /* protects race between ACPI handler and metrics thread */
bool cnqf_enabled;
bool cnqf_supported;
+ struct notifier_block pwr_src_notifier;
};
struct apmf_sps_prop_granular {
@@ -391,9 +392,11 @@ int amd_pmf_init_sps(struct amd_pmf_dev *dev);
void amd_pmf_deinit_sps(struct amd_pmf_dev *dev);
int apmf_get_static_slider_granular(struct amd_pmf_dev *pdev,
struct apmf_static_slider_granular_output *output);
+bool is_pprof_balanced(struct amd_pmf_dev *pmf);
int apmf_update_fan_idx(struct amd_pmf_dev *pdev, bool manual, u32 idx);
+int amd_pmf_set_sps_power_limits(struct amd_pmf_dev *pmf);
/* Auto Mode Layer */
int apmf_get_auto_mode_def(struct amd_pmf_dev *pdev, struct apmf_auto_mode *data);
diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c
index dba7e36962dc..bed762d47a14 100644
--- a/drivers/platform/x86/amd/pmf/sps.c
+++ b/drivers/platform/x86/amd/pmf/sps.c
@@ -70,6 +70,24 @@ void amd_pmf_update_slider(struct amd_pmf_dev *dev, bool op, int idx,
}
}
+int amd_pmf_set_sps_power_limits(struct amd_pmf_dev *pmf)
+{
+ int mode;
+
+ mode = amd_pmf_get_pprof_modes(pmf);
+ if (mode < 0)
+ return mode;
+
+ amd_pmf_update_slider(pmf, SLIDER_OP_SET, mode, NULL);
+
+ return 0;
+}
+
+bool is_pprof_balanced(struct amd_pmf_dev *pmf)
+{
+ return (pmf->current_profile == PLATFORM_PROFILE_BALANCED) ? true : false;
+}
+
static int amd_pmf_profile_get(struct platform_profile_handler *pprof,
enum platform_profile_option *profile)
{
@@ -105,15 +123,10 @@ static int amd_pmf_profile_set(struct platform_profile_handler *pprof,
enum platform_profile_option profile)
{
struct amd_pmf_dev *pmf = container_of(pprof, struct amd_pmf_dev, pprof);
- int mode;
pmf->current_profile = profile;
- mode = amd_pmf_get_pprof_modes(pmf);
- if (mode < 0)
- return mode;
- amd_pmf_update_slider(pmf, SLIDER_OP_SET, mode, NULL);
- return 0;
+ return amd_pmf_set_sps_power_limits(pmf);
}
int amd_pmf_init_sps(struct amd_pmf_dev *dev)
@@ -123,6 +136,9 @@ int amd_pmf_init_sps(struct amd_pmf_dev *dev)
dev->current_profile = PLATFORM_PROFILE_BALANCED;
amd_pmf_load_defaults_sps(dev);
+ /* update SPS balanced power mode thermals */
+ amd_pmf_set_sps_power_limits(dev);
+
dev->pprof.profile_get = amd_pmf_profile_get;
dev->pprof.profile_set = amd_pmf_profile_set;
diff --git a/drivers/platform/x86/dell/dell-wmi-base.c b/drivers/platform/x86/dell/dell-wmi-base.c
index 0a259a27459f..502783a7adb1 100644
--- a/drivers/platform/x86/dell/dell-wmi-base.c
+++ b/drivers/platform/x86/dell/dell-wmi-base.c
@@ -261,6 +261,9 @@ static const struct key_entry dell_wmi_keymap_type_0010[] = {
{ KE_KEY, 0x57, { KEY_BRIGHTNESSDOWN } },
{ KE_KEY, 0x58, { KEY_BRIGHTNESSUP } },
+ /*Speaker Mute*/
+ { KE_KEY, 0x109, { KEY_MUTE} },
+
/* Mic mute */
{ KE_KEY, 0x150, { KEY_MICMUTE } },
diff --git a/drivers/platform/x86/gigabyte-wmi.c b/drivers/platform/x86/gigabyte-wmi.c
index 5e7e6659a849..322cfaeda17b 100644
--- a/drivers/platform/x86/gigabyte-wmi.c
+++ b/drivers/platform/x86/gigabyte-wmi.c
@@ -141,6 +141,7 @@ static u8 gigabyte_wmi_detect_sensor_usability(struct wmi_device *wdev)
static const struct dmi_system_id gigabyte_wmi_known_working_platforms[] = {
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B450M DS3H-CF"),
+ DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B450M DS3H WIFI-CF"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B450M S2H V2"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE AX V2"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE"),
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 0a99058be813..4a3851332ef2 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -90,6 +90,7 @@ enum hp_wmi_event_ids {
HPWMI_PEAKSHIFT_PERIOD = 0x0F,
HPWMI_BATTERY_CHARGE_PERIOD = 0x10,
HPWMI_SANITIZATION_MODE = 0x17,
+ HPWMI_OMEN_KEY = 0x1D,
HPWMI_SMART_EXPERIENCE_APP = 0x21,
};
@@ -216,6 +217,8 @@ static const struct key_entry hp_wmi_keymap[] = {
{ KE_KEY, 0x213b, { KEY_INFO } },
{ KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } },
{ KE_KEY, 0x216a, { KEY_SETUP } },
+ { KE_KEY, 0x21a5, { KEY_PROG2 } }, /* HP Omen Key */
+ { KE_KEY, 0x21a7, { KEY_FN_ESC } },
{ KE_KEY, 0x21a9, { KEY_TOUCHPAD_OFF } },
{ KE_KEY, 0x121a9, { KEY_TOUCHPAD_ON } },
{ KE_KEY, 0x231b, { KEY_HELP } },
@@ -810,6 +813,7 @@ static void hp_wmi_notify(u32 value, void *context)
case HPWMI_SMART_ADAPTER:
break;
case HPWMI_BEZEL_BUTTON:
+ case HPWMI_OMEN_KEY:
key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
if (key_code < 0)
break;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 7fd735c67a8e..2a48a2d880d8 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -5566,7 +5566,7 @@ static int light_sysfs_set(struct led_classdev *led_cdev,
static enum led_brightness light_sysfs_get(struct led_classdev *led_cdev)
{
- return (light_get_status() == 1) ? LED_FULL : LED_OFF;
+ return (light_get_status() == 1) ? LED_ON : LED_OFF;
}
static struct tpacpi_led_classdev tpacpi_led_thinklight = {
diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c
index 11850c2880ad..491b830d0818 100644
--- a/drivers/rtc/rtc-efi.c
+++ b/drivers/rtc/rtc-efi.c
@@ -188,9 +188,10 @@ static int efi_set_time(struct device *dev, struct rtc_time *tm)
static int efi_procfs(struct device *dev, struct seq_file *seq)
{
- efi_time_t eft, alm;
- efi_time_cap_t cap;
- efi_bool_t enabled, pending;
+ efi_time_t eft, alm;
+ efi_time_cap_t cap;
+ efi_bool_t enabled, pending;
+ struct rtc_device *rtc = dev_get_drvdata(dev);
memset(&eft, 0, sizeof(eft));
memset(&alm, 0, sizeof(alm));
@@ -213,23 +214,25 @@ static int efi_procfs(struct device *dev, struct seq_file *seq)
/* XXX fixme: convert to string? */
seq_printf(seq, "Timezone\t: %u\n", eft.timezone);
- seq_printf(seq,
- "Alarm Time\t: %u:%u:%u.%09u\n"
- "Alarm Date\t: %u-%u-%u\n"
- "Alarm Daylight\t: %u\n"
- "Enabled\t\t: %s\n"
- "Pending\t\t: %s\n",
- alm.hour, alm.minute, alm.second, alm.nanosecond,
- alm.year, alm.month, alm.day,
- alm.daylight,
- enabled == 1 ? "yes" : "no",
- pending == 1 ? "yes" : "no");
-
- if (eft.timezone == EFI_UNSPECIFIED_TIMEZONE)
- seq_puts(seq, "Timezone\t: unspecified\n");
- else
- /* XXX fixme: convert to string? */
- seq_printf(seq, "Timezone\t: %u\n", alm.timezone);
+ if (test_bit(RTC_FEATURE_ALARM, rtc->features)) {
+ seq_printf(seq,
+ "Alarm Time\t: %u:%u:%u.%09u\n"
+ "Alarm Date\t: %u-%u-%u\n"
+ "Alarm Daylight\t: %u\n"
+ "Enabled\t\t: %s\n"
+ "Pending\t\t: %s\n",
+ alm.hour, alm.minute, alm.second, alm.nanosecond,
+ alm.year, alm.month, alm.day,
+ alm.daylight,
+ enabled == 1 ? "yes" : "no",
+ pending == 1 ? "yes" : "no");
+
+ if (eft.timezone == EFI_UNSPECIFIED_TIMEZONE)
+ seq_puts(seq, "Timezone\t: unspecified\n");
+ else
+ /* XXX fixme: convert to string? */
+ seq_printf(seq, "Timezone\t: %u\n", alm.timezone);
+ }
/*
* now prints the capabilities
@@ -269,7 +272,10 @@ static int __init efi_rtc_probe(struct platform_device *dev)
rtc->ops = &efi_rtc_ops;
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features);
- set_bit(RTC_FEATURE_ALARM_WAKEUP_ONLY, rtc->features);
+ if (efi_rt_services_supported(EFI_RT_SUPPORTED_WAKEUP_SERVICES))
+ set_bit(RTC_FEATURE_ALARM_WAKEUP_ONLY, rtc->features);
+ else
+ clear_bit(RTC_FEATURE_ALARM, rtc->features);
return devm_rtc_register_device(rtc);
}
diff --git a/drivers/rtc/rtc-sunplus.c b/drivers/rtc/rtc-sunplus.c
index e8e2ab1103fc..4b578e4d44f6 100644
--- a/drivers/rtc/rtc-sunplus.c
+++ b/drivers/rtc/rtc-sunplus.c
@@ -240,8 +240,8 @@ static int sp_rtc_probe(struct platform_device *plat_dev)
if (IS_ERR(sp_rtc->reg_base))
return dev_err_probe(&plat_dev->dev, PTR_ERR(sp_rtc->reg_base),
"%s devm_ioremap_resource fail\n", RTC_REG_NAME);
- dev_dbg(&plat_dev->dev, "res = 0x%x, reg_base = 0x%lx\n",
- sp_rtc->res->start, (unsigned long)sp_rtc->reg_base);
+ dev_dbg(&plat_dev->dev, "res = %pR, reg_base = %p\n",
+ sp_rtc->res, sp_rtc->reg_base);
sp_rtc->irq = platform_get_irq(plat_dev, 0);
if (sp_rtc->irq < 0)
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 6165e6aae762..a41833557d55 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -103,7 +103,7 @@ static inline int memcpy_hsa_kernel(void *dst, unsigned long src, size_t count)
kvec.iov_base = dst;
kvec.iov_len = count;
- iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
+ iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count);
if (memcpy_hsa_iter(&iter, src, count) < count)
return -EIO;
return 0;
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 5fb1f364e815..c3ad04ad66e0 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -848,7 +848,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf)
{
struct iscsi_sw_tcp_host *tcp_sw_host = iscsi_host_priv(shost);
- struct iscsi_session *session = tcp_sw_host->session;
+ struct iscsi_session *session;
struct iscsi_conn *conn;
struct iscsi_tcp_conn *tcp_conn;
struct iscsi_sw_tcp_conn *tcp_sw_conn;
@@ -858,6 +858,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
switch (param) {
case ISCSI_HOST_PARAM_IPADDRESS:
+ session = tcp_sw_host->session;
if (!session)
return -ENOTCONN;
@@ -958,11 +959,13 @@ iscsi_sw_tcp_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
if (!cls_session)
goto remove_host;
session = cls_session->dd_data;
- tcp_sw_host = iscsi_host_priv(shost);
- tcp_sw_host->session = session;
if (iscsi_tcp_r2tpool_alloc(session))
goto remove_session;
+
+ /* We are now fully setup so expose the session to sysfs. */
+ tcp_sw_host = iscsi_host_priv(shost);
+ tcp_sw_host->session = session;
return cls_session;
remove_session:
@@ -982,10 +985,17 @@ static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session)
if (WARN_ON_ONCE(session->leadconn))
return;
+ iscsi_session_remove(cls_session);
+ /*
+ * Our get_host_param needs to access the session, so remove the
+ * host from sysfs before freeing the session to make sure userspace
+ * is no longer accessing the callout.
+ */
+ iscsi_host_remove(shost, false);
+
iscsi_tcp_r2tpool_free(cls_session->dd_data);
- iscsi_session_teardown(cls_session);
- iscsi_host_remove(shost, false);
+ iscsi_session_free(cls_session);
iscsi_host_free(shost);
}
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index d95f4bcdeb2e..6e811d753cb1 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -3104,17 +3104,32 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
}
EXPORT_SYMBOL_GPL(iscsi_session_setup);
-/**
- * iscsi_session_teardown - destroy session, host, and cls_session
- * @cls_session: iscsi session
+/*
+ * issi_session_remove - Remove session from iSCSI class.
*/
-void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
+void iscsi_session_remove(struct iscsi_cls_session *cls_session)
{
struct iscsi_session *session = cls_session->dd_data;
- struct module *owner = cls_session->transport->owner;
struct Scsi_Host *shost = session->host;
iscsi_remove_session(cls_session);
+ /*
+ * host removal only has to wait for its children to be removed from
+ * sysfs, and iscsi_tcp needs to do iscsi_host_remove before freeing
+ * the session, so drop the session count here.
+ */
+ iscsi_host_dec_session_cnt(shost);
+}
+EXPORT_SYMBOL_GPL(iscsi_session_remove);
+
+/**
+ * iscsi_session_free - Free iscsi session and it's resources
+ * @cls_session: iscsi session
+ */
+void iscsi_session_free(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_session *session = cls_session->dd_data;
+ struct module *owner = cls_session->transport->owner;
iscsi_pool_free(&session->cmdpool);
kfree(session->password);
@@ -3132,10 +3147,19 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
kfree(session->discovery_parent_type);
iscsi_free_session(cls_session);
-
- iscsi_host_dec_session_cnt(shost);
module_put(owner);
}
+EXPORT_SYMBOL_GPL(iscsi_session_free);
+
+/**
+ * iscsi_session_teardown - destroy session and cls_session
+ * @cls_session: iscsi session
+ */
+void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
+{
+ iscsi_session_remove(cls_session);
+ iscsi_session_free(cls_session);
+}
EXPORT_SYMBOL_GPL(iscsi_session_teardown);
/**
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 5d27f5196de6..d149b218715e 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1233,8 +1233,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
* that no LUN is present, so don't add sdev in these cases.
* Two specific examples are:
* 1) NetApp targets: return PQ=1, PDT=0x1f
- * 2) IBM/2145 targets: return PQ=1, PDT=0
- * 3) USB UFI: returns PDT=0x1f, with the PQ bits being "reserved"
+ * 2) USB UFI: returns PDT=0x1f, with the PQ bits being "reserved"
* in the UFI 1.0 spec (we cannot rely on reserved bits).
*
* References:
@@ -1248,8 +1247,8 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
* PDT=00h Direct-access device (floppy)
* PDT=1Fh none (no FDD connected to the requested logical unit)
*/
- if (((result[0] >> 5) == 1 ||
- (starget->pdt_1f_for_no_lun && (result[0] & 0x1f) == 0x1f)) &&
+ if (((result[0] >> 5) == 1 || starget->pdt_1f_for_no_lun) &&
+ (result[0] & 0x1f) == 0x1f &&
!scsi_is_wlun(lun)) {
SCSI_LOG_SCAN_BUS(3, sdev_printk(KERN_INFO, sdev,
"scsi scan: peripheral device type"
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index ce34a8ad53b4..12344be14232 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1726,7 +1726,7 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
Sg_scatter_hold *rsv_schp = &sfp->reserve;
struct request_queue *q = sfp->parentdp->device->request_queue;
struct rq_map_data *md, map_data;
- int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ;
+ int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? ITER_SOURCE : ITER_DEST;
struct scsi_cmnd *scmd;
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sfp->parentdp,
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 8d9f21372b67..26dc8ed3045b 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -1225,7 +1225,7 @@ int rx_data(
return -1;
memset(&msg, 0, sizeof(struct msghdr));
- iov_iter_kvec(&msg.msg_iter, READ, iov, iov_count, data);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, iov, iov_count, data);
while (msg_data_left(&msg)) {
rx_loop = sock_recvmsg(conn->sock, &msg, MSG_WAITALL);
@@ -1261,7 +1261,7 @@ int tx_data(
memset(&msg, 0, sizeof(struct msghdr));
- iov_iter_kvec(&msg.msg_iter, WRITE, iov, iov_count, data);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, iov, iov_count, data);
while (msg_data_left(&msg)) {
int tx_loop = sock_sendmsg(conn->sock, &msg);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 28aa643be5d5..7e81a53dbf3c 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -337,7 +337,7 @@ static int fd_do_rw(struct se_cmd *cmd, struct file *fd,
len += sg->length;
}
- iov_iter_bvec(&iter, READ, bvec, sgl_nents, len);
+ iov_iter_bvec(&iter, is_write, bvec, sgl_nents, len);
if (is_write)
ret = vfs_iter_write(fd, &iter, &pos, 0);
else
@@ -473,7 +473,7 @@ fd_execute_write_same(struct se_cmd *cmd)
len += se_dev->dev_attrib.block_size;
}
- iov_iter_bvec(&iter, READ, bvec, nolb, len);
+ iov_iter_bvec(&iter, ITER_SOURCE, bvec, nolb, len);
ret = vfs_iter_write(fd_dev->fd_file, &iter, &pos, 0);
kfree(bvec);
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index bac111456fa1..2b95b4550a63 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -73,8 +73,8 @@ static bool __target_check_io_state(struct se_cmd *se_cmd,
{
struct se_session *sess = se_cmd->se_sess;
- assert_spin_locked(&sess->sess_cmd_lock);
- WARN_ON_ONCE(!irqs_disabled());
+ lockdep_assert_held(&sess->sess_cmd_lock);
+
/*
* If command already reached CMD_T_COMPLETE state within
* target_complete_cmd() or CMD_T_FABRIC_STOP due to shutdown,
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index b85c82616e8c..a442f0dfd28e 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -44,19 +44,39 @@ static void __dma_rx_complete(void *param)
struct uart_8250_dma *dma = p->dma;
struct tty_port *tty_port = &p->port.state->port;
struct dma_tx_state state;
+ enum dma_status dma_status;
int count;
- dma->rx_running = 0;
- dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
+ /*
+ * New DMA Rx can be started during the completion handler before it
+ * could acquire port's lock and it might still be ongoing. Don't to
+ * anything in such case.
+ */
+ dma_status = dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
+ if (dma_status == DMA_IN_PROGRESS)
+ return;
count = dma->rx_size - state.residue;
tty_insert_flip_string(tty_port, dma->rx_buf, count);
p->port.icount.rx += count;
+ dma->rx_running = 0;
tty_flip_buffer_push(tty_port);
}
+static void dma_rx_complete(void *param)
+{
+ struct uart_8250_port *p = param;
+ struct uart_8250_dma *dma = p->dma;
+ unsigned long flags;
+
+ spin_lock_irqsave(&p->port.lock, flags);
+ if (dma->rx_running)
+ __dma_rx_complete(p);
+ spin_unlock_irqrestore(&p->port.lock, flags);
+}
+
int serial8250_tx_dma(struct uart_8250_port *p)
{
struct uart_8250_dma *dma = p->dma;
@@ -130,7 +150,7 @@ int serial8250_rx_dma(struct uart_8250_port *p)
return -EBUSY;
dma->rx_running = 1;
- desc->callback = __dma_rx_complete;
+ desc->callback = dma_rx_complete;
desc->callback_param = p;
dma->rx_cookie = dmaengine_submit(desc);
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index b8aed28b8f17..0e6ef24419c8 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -798,25 +798,11 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
spin_unlock(&port->lock);
}
- if (stm32_usart_rx_dma_enabled(port))
- return IRQ_WAKE_THREAD;
- else
- return IRQ_HANDLED;
-}
-
-static irqreturn_t stm32_usart_threaded_interrupt(int irq, void *ptr)
-{
- struct uart_port *port = ptr;
- struct tty_port *tport = &port->state->port;
- struct stm32_port *stm32_port = to_stm32_port(port);
- unsigned int size;
- unsigned long flags;
-
/* Receiver timeout irq for DMA RX */
- if (!stm32_port->throttled) {
- spin_lock_irqsave(&port->lock, flags);
+ if (stm32_usart_rx_dma_enabled(port) && !stm32_port->throttled) {
+ spin_lock(&port->lock);
size = stm32_usart_receive_chars(port, false);
- uart_unlock_and_check_sysrq_irqrestore(port, flags);
+ uart_unlock_and_check_sysrq(port);
if (size)
tty_flip_buffer_push(tport);
}
@@ -1016,10 +1002,8 @@ static int stm32_usart_startup(struct uart_port *port)
u32 val;
int ret;
- ret = request_threaded_irq(port->irq, stm32_usart_interrupt,
- stm32_usart_threaded_interrupt,
- IRQF_ONESHOT | IRQF_NO_SUSPEND,
- name, port);
+ ret = request_irq(port->irq, stm32_usart_interrupt,
+ IRQF_NO_SUSPEND, name, port);
if (ret)
return ret;
@@ -1602,13 +1586,6 @@ static int stm32_usart_of_dma_rx_probe(struct stm32_port *stm32port,
struct dma_slave_config config;
int ret;
- /*
- * Using DMA and threaded handler for the console could lead to
- * deadlocks.
- */
- if (uart_console(port))
- return -ENODEV;
-
stm32port->rx_buf = dma_alloc_coherent(dev, RX_BUF_L,
&stm32port->rx_dma_buf,
GFP_KERNEL);
diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c
index 1850bacdb5b0..f566eb1839dc 100644
--- a/drivers/tty/vt/vc_screen.c
+++ b/drivers/tty/vt/vc_screen.c
@@ -386,10 +386,6 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
uni_mode = use_unicode(inode);
attr = use_attributes(inode);
- ret = -ENXIO;
- vc = vcs_vc(inode, &viewed);
- if (!vc)
- goto unlock_out;
ret = -EINVAL;
if (pos < 0)
@@ -407,6 +403,11 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
unsigned int this_round, skip = 0;
int size;
+ ret = -ENXIO;
+ vc = vcs_vc(inode, &viewed);
+ if (!vc)
+ goto unlock_out;
+
/* Check whether we are above size each round,
* as copy_to_user at the end of this loop
* could sleep.
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index b0a0351d2d8b..959fc925ca7c 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -901,7 +901,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);
/* enable vbus override for device mode */
- if (qcom->mode == USB_DR_MODE_PERIPHERAL)
+ if (qcom->mode != USB_DR_MODE_HOST)
dwc3_qcom_vbus_override_enable(qcom, true);
/* register extcon to override sw_vbus on Vbus change later */
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 523a961b910b..8ad354741380 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -279,8 +279,10 @@ static int __ffs_ep0_queue_wait(struct ffs_data *ffs, char *data, size_t len)
struct usb_request *req = ffs->ep0req;
int ret;
- if (!req)
+ if (!req) {
+ spin_unlock_irq(&ffs->ev.waitq.lock);
return -EINVAL;
+ }
req->zero = len < le16_to_cpu(ffs->ev.setup.wLength);
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 08726e4c68a5..0219cd79493a 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -1142,6 +1142,7 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
}
std_as_out_if0_desc.bInterfaceNumber = ret;
std_as_out_if1_desc.bInterfaceNumber = ret;
+ std_as_out_if1_desc.bNumEndpoints = 1;
uac2->as_out_intf = ret;
uac2->as_out_alt = 0;
diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c
index 2cdb07905bde..d04d72f5816e 100644
--- a/drivers/usb/gadget/udc/bcm63xx_udc.c
+++ b/drivers/usb/gadget/udc/bcm63xx_udc.c
@@ -1830,7 +1830,6 @@ static int bcm63xx_udc_start(struct usb_gadget *gadget,
bcm63xx_select_phy_mode(udc, true);
udc->driver = driver;
- driver->driver.bus = NULL;
udc->gadget.dev.of_node = udc->dev->of_node;
spin_unlock_irqrestore(&udc->lock, flags);
diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c
index d0e051beb3af..693c73e5f61e 100644
--- a/drivers/usb/gadget/udc/fotg210-udc.c
+++ b/drivers/usb/gadget/udc/fotg210-udc.c
@@ -1009,7 +1009,6 @@ static int fotg210_udc_start(struct usb_gadget *g,
u32 value;
/* hook up the driver */
- driver->driver.bus = NULL;
fotg210->driver = driver;
/* enable device global interrupt */
diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c
index bf745358e28e..3b1cc8fa30c8 100644
--- a/drivers/usb/gadget/udc/fsl_qe_udc.c
+++ b/drivers/usb/gadget/udc/fsl_qe_udc.c
@@ -2285,7 +2285,6 @@ static int fsl_qe_start(struct usb_gadget *gadget,
/* lock is needed but whether should use this lock or another */
spin_lock_irqsave(&udc->lock, flags);
- driver->driver.bus = NULL;
/* hook up the driver */
udc->driver = driver;
udc->gadget.speed = driver->max_speed;
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index 50435e804118..a67873a074b7 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -1943,7 +1943,6 @@ static int fsl_udc_start(struct usb_gadget *g,
/* lock is needed but whether should use this lock or another */
spin_lock_irqsave(&udc_controller->lock, flags);
- driver->driver.bus = NULL;
/* hook up the driver */
udc_controller->driver = driver;
spin_unlock_irqrestore(&udc_controller->lock, flags);
diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c
index 9af8b415f303..5954800d652c 100644
--- a/drivers/usb/gadget/udc/fusb300_udc.c
+++ b/drivers/usb/gadget/udc/fusb300_udc.c
@@ -1311,7 +1311,6 @@ static int fusb300_udc_start(struct usb_gadget *g,
struct fusb300 *fusb300 = to_fusb300(g);
/* hook up the driver */
- driver->driver.bus = NULL;
fusb300->driver = driver;
return 0;
diff --git a/drivers/usb/gadget/udc/goku_udc.c b/drivers/usb/gadget/udc/goku_udc.c
index bdc56b24b5c9..5ffb3d5c635b 100644
--- a/drivers/usb/gadget/udc/goku_udc.c
+++ b/drivers/usb/gadget/udc/goku_udc.c
@@ -1375,7 +1375,6 @@ static int goku_udc_start(struct usb_gadget *g,
struct goku_udc *dev = to_goku_udc(g);
/* hook up the driver */
- driver->driver.bus = NULL;
dev->driver = driver;
/*
diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 22096f8505de..85cdc0af3bf9 100644
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -1906,7 +1906,6 @@ static int gr_udc_start(struct usb_gadget *gadget,
spin_lock(&dev->lock);
/* Hook up the driver */
- driver->driver.bus = NULL;
dev->driver = driver;
/* Get ready for host detection */
diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c
index 931e6362a13d..d88871e71662 100644
--- a/drivers/usb/gadget/udc/m66592-udc.c
+++ b/drivers/usb/gadget/udc/m66592-udc.c
@@ -1454,7 +1454,6 @@ static int m66592_udc_start(struct usb_gadget *g,
struct m66592 *m66592 = to_m66592(g);
/* hook up the driver */
- driver->driver.bus = NULL;
m66592->driver = driver;
m66592_bset(m66592, M66592_VBSE | M66592_URST, M66592_INTENB0);
diff --git a/drivers/usb/gadget/udc/max3420_udc.c b/drivers/usb/gadget/udc/max3420_udc.c
index 3074da00c3df..ddf0ed3eb4f2 100644
--- a/drivers/usb/gadget/udc/max3420_udc.c
+++ b/drivers/usb/gadget/udc/max3420_udc.c
@@ -1108,7 +1108,6 @@ static int max3420_udc_start(struct usb_gadget *gadget,
spin_lock_irqsave(&udc->lock, flags);
/* hook up the driver */
- driver->driver.bus = NULL;
udc->driver = driver;
udc->gadget.speed = USB_SPEED_FULL;
diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c
index 598654a3cb41..411b6179782c 100644
--- a/drivers/usb/gadget/udc/mv_u3d_core.c
+++ b/drivers/usb/gadget/udc/mv_u3d_core.c
@@ -1243,7 +1243,6 @@ static int mv_u3d_start(struct usb_gadget *g,
}
/* hook up the driver ... */
- driver->driver.bus = NULL;
u3d->driver = driver;
u3d->ep0_dir = USB_DIR_OUT;
diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c
index fdb17d86cd65..b397f3a848cf 100644
--- a/drivers/usb/gadget/udc/mv_udc_core.c
+++ b/drivers/usb/gadget/udc/mv_udc_core.c
@@ -1359,7 +1359,6 @@ static int mv_udc_start(struct usb_gadget *gadget,
spin_lock_irqsave(&udc->lock, flags);
/* hook up the driver ... */
- driver->driver.bus = NULL;
udc->driver = driver;
udc->usb_state = USB_STATE_ATTACHED;
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 84605a4d0715..538c1b9a2883 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -1451,7 +1451,6 @@ static int net2272_start(struct usb_gadget *_gadget,
dev->ep[i].irqs = 0;
/* hook up the driver ... */
dev->softconnect = 1;
- driver->driver.bus = NULL;
dev->driver = driver;
/* ... then enable host detection and ep0; and we're ready
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index d6a68631354a..1b929c519cd7 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -2423,7 +2423,6 @@ static int net2280_start(struct usb_gadget *_gadget,
dev->ep[i].irqs = 0;
/* hook up the driver ... */
- driver->driver.bus = NULL;
dev->driver = driver;
retval = device_create_file(&dev->pdev->dev, &dev_attr_function);
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index bea346e362b2..f660ebfa1379 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -2066,7 +2066,6 @@ static int omap_udc_start(struct usb_gadget *g,
udc->softconnect = 1;
/* hook up the driver */
- driver->driver.bus = NULL;
udc->driver = driver;
spin_unlock_irqrestore(&udc->lock, flags);
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index 9bb7a9d7a2fb..4f8617210d85 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -2908,7 +2908,6 @@ static int pch_udc_start(struct usb_gadget *g,
{
struct pch_udc_dev *dev = to_pch_udc(g);
- driver->driver.bus = NULL;
dev->driver = driver;
/* get ready for ep0 traffic */
diff --git a/drivers/usb/gadget/udc/snps_udc_core.c b/drivers/usb/gadget/udc/snps_udc_core.c
index 52ea4dcf6a92..2fc5d4d277bc 100644
--- a/drivers/usb/gadget/udc/snps_udc_core.c
+++ b/drivers/usb/gadget/udc/snps_udc_core.c
@@ -1933,7 +1933,6 @@ static int amd5536_udc_start(struct usb_gadget *g,
struct udc *dev = to_amd5536_udc(g);
u32 tmp;
- driver->driver.bus = NULL;
dev->driver = driver;
/* Some gadget drivers use both ep0 directions.
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 1292241d581a..1cf8947c6d66 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1269,6 +1269,9 @@ static int ucsi_init(struct ucsi *ucsi)
con->port = NULL;
}
+ kfree(ucsi->connector);
+ ucsi->connector = NULL;
+
err_reset:
memset(&ucsi->cap, 0, sizeof(ucsi->cap));
ucsi_reset_ppm(ucsi);
@@ -1300,7 +1303,8 @@ static void ucsi_resume_work(struct work_struct *work)
int ucsi_resume(struct ucsi *ucsi)
{
- queue_work(system_long_wq, &ucsi->resume_work);
+ if (ucsi->connector)
+ queue_work(system_long_wq, &ucsi->resume_work);
return 0;
}
EXPORT_SYMBOL_GPL(ucsi_resume);
@@ -1420,6 +1424,9 @@ void ucsi_unregister(struct ucsi *ucsi)
/* Disable notifications */
ucsi->ops->async_write(ucsi, UCSI_CONTROL, &cmd, sizeof(cmd));
+ if (!ucsi->connector)
+ return;
+
for (i = 0; i < ucsi->cap.num_connectors; i++) {
cancel_work_sync(&ucsi->connector[i].work);
ucsi_unregister_partner(&ucsi->connector[i]);
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c
index 053a2bca4c47..f8b326eed54d 100644
--- a/drivers/usb/usbip/usbip_common.c
+++ b/drivers/usb/usbip/usbip_common.c
@@ -309,7 +309,7 @@ int usbip_recv(struct socket *sock, void *buf, int size)
if (!sock || !buf || !size)
return -EINVAL;
- iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, size);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &iov, 1, size);
usbip_dbg_xmit("enter\n");
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 20265393aee7..4c538b30fd76 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -611,7 +611,7 @@ static size_t init_iov_iter(struct vhost_virtqueue *vq, struct iov_iter *iter,
/* Skip header. TODO: support TSO. */
size_t len = iov_length(vq->iov, out);
- iov_iter_init(iter, WRITE, vq->iov, out, len);
+ iov_iter_init(iter, ITER_SOURCE, vq->iov, out, len);
iov_iter_advance(iter, hdr_size);
return iov_iter_count(iter);
@@ -1184,14 +1184,14 @@ static void handle_rx(struct vhost_net *net)
msg.msg_control = vhost_net_buf_consume(&nvq->rxq);
/* On overrun, truncate and discard */
if (unlikely(headcount > UIO_MAXIOV)) {
- iov_iter_init(&msg.msg_iter, READ, vq->iov, 1, 1);
+ iov_iter_init(&msg.msg_iter, ITER_DEST, vq->iov, 1, 1);
err = sock->ops->recvmsg(sock, &msg,
1, MSG_DONTWAIT | MSG_TRUNC);
pr_debug("Discarded rx packet: len %zd\n", sock_len);
continue;
}
/* We don't need to be notified again. */
- iov_iter_init(&msg.msg_iter, READ, vq->iov, in, vhost_len);
+ iov_iter_init(&msg.msg_iter, ITER_DEST, vq->iov, in, vhost_len);
fixup = msg.msg_iter;
if (unlikely((vhost_hlen))) {
/* We will supply the header ourselves
@@ -1511,6 +1511,9 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
nvq = &n->vqs[index];
mutex_lock(&vq->mutex);
+ if (fd == -1)
+ vhost_clear_msg(&n->dev);
+
/* Verify that ring has been setup correctly. */
if (!vhost_vq_access_ok(vq)) {
r = -EFAULT;
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 7ebf106d50c1..d5ecb8876fc9 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -80,7 +80,7 @@ struct vhost_scsi_cmd {
struct scatterlist *tvc_prot_sgl;
struct page **tvc_upages;
/* Pointer to response header iovec */
- struct iovec tvc_resp_iov;
+ struct iovec *tvc_resp_iov;
/* Pointer to vhost_scsi for our device */
struct vhost_scsi *tvc_vhost;
/* Pointer to vhost_virtqueue for the cmd */
@@ -563,7 +563,7 @@ static void vhost_scsi_complete_cmd_work(struct vhost_work *work)
memcpy(v_rsp.sense, cmd->tvc_sense_buf,
se_cmd->scsi_sense_length);
- iov_iter_init(&iov_iter, READ, &cmd->tvc_resp_iov,
+ iov_iter_init(&iov_iter, ITER_DEST, cmd->tvc_resp_iov,
cmd->tvc_in_iovs, sizeof(v_rsp));
ret = copy_to_iter(&v_rsp, sizeof(v_rsp), &iov_iter);
if (likely(ret == sizeof(v_rsp))) {
@@ -594,6 +594,7 @@ vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
struct vhost_scsi_cmd *cmd;
struct vhost_scsi_nexus *tv_nexus;
struct scatterlist *sg, *prot_sg;
+ struct iovec *tvc_resp_iov;
struct page **pages;
int tag;
@@ -613,6 +614,7 @@ vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
sg = cmd->tvc_sgl;
prot_sg = cmd->tvc_prot_sgl;
pages = cmd->tvc_upages;
+ tvc_resp_iov = cmd->tvc_resp_iov;
memset(cmd, 0, sizeof(*cmd));
cmd->tvc_sgl = sg;
cmd->tvc_prot_sgl = prot_sg;
@@ -625,6 +627,7 @@ vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
cmd->tvc_data_direction = data_direction;
cmd->tvc_nexus = tv_nexus;
cmd->inflight = vhost_scsi_get_inflight(vq);
+ cmd->tvc_resp_iov = tvc_resp_iov;
memcpy(cmd->tvc_cdb, cdb, VHOST_SCSI_MAX_CDB_SIZE);
@@ -864,7 +867,7 @@ vhost_scsi_get_desc(struct vhost_scsi *vs, struct vhost_virtqueue *vq,
* point at the start of the outgoing WRITE payload, if
* DMA_TO_DEVICE is set.
*/
- iov_iter_init(&vc->out_iter, WRITE, vq->iov, vc->out, vc->out_size);
+ iov_iter_init(&vc->out_iter, ITER_SOURCE, vq->iov, vc->out, vc->out_size);
ret = 0;
done:
@@ -935,7 +938,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
struct iov_iter in_iter, prot_iter, data_iter;
u64 tag;
u32 exp_data_len, data_direction;
- int ret, prot_bytes, c = 0;
+ int ret, prot_bytes, i, c = 0;
u16 lun;
u8 task_attr;
bool t10_pi = vhost_has_feature(vq, VIRTIO_SCSI_F_T10_PI);
@@ -1016,7 +1019,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
data_direction = DMA_FROM_DEVICE;
exp_data_len = vc.in_size - vc.rsp_size;
- iov_iter_init(&in_iter, READ, &vq->iov[vc.out], vc.in,
+ iov_iter_init(&in_iter, ITER_DEST, &vq->iov[vc.out], vc.in,
vc.rsp_size + exp_data_len);
iov_iter_advance(&in_iter, vc.rsp_size);
data_iter = in_iter;
@@ -1092,7 +1095,8 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
}
cmd->tvc_vhost = vs;
cmd->tvc_vq = vq;
- cmd->tvc_resp_iov = vq->iov[vc.out];
+ for (i = 0; i < vc.in ; i++)
+ cmd->tvc_resp_iov[i] = vq->iov[vc.out + i];
cmd->tvc_in_iovs = vc.in;
pr_debug("vhost_scsi got command opcode: %#02x, lun: %d\n",
@@ -1146,7 +1150,7 @@ vhost_scsi_send_tmf_resp(struct vhost_scsi *vs, struct vhost_virtqueue *vq,
memset(&rsp, 0, sizeof(rsp));
rsp.response = tmf_resp_code;
- iov_iter_init(&iov_iter, READ, resp_iov, in_iovs, sizeof(rsp));
+ iov_iter_init(&iov_iter, ITER_DEST, resp_iov, in_iovs, sizeof(rsp));
ret = copy_to_iter(&rsp, sizeof(rsp), &iov_iter);
if (likely(ret == sizeof(rsp)))
@@ -1238,7 +1242,7 @@ vhost_scsi_send_an_resp(struct vhost_scsi *vs,
memset(&rsp, 0, sizeof(rsp)); /* event_actual = 0 */
rsp.response = VIRTIO_SCSI_S_OK;
- iov_iter_init(&iov_iter, READ, &vq->iov[vc->out], vc->in, sizeof(rsp));
+ iov_iter_init(&iov_iter, ITER_DEST, &vq->iov[vc->out], vc->in, sizeof(rsp));
ret = copy_to_iter(&rsp, sizeof(rsp), &iov_iter);
if (likely(ret == sizeof(rsp)))
@@ -1461,6 +1465,7 @@ static void vhost_scsi_destroy_vq_cmds(struct vhost_virtqueue *vq)
kfree(tv_cmd->tvc_sgl);
kfree(tv_cmd->tvc_prot_sgl);
kfree(tv_cmd->tvc_upages);
+ kfree(tv_cmd->tvc_resp_iov);
}
sbitmap_free(&svq->scsi_tags);
@@ -1508,6 +1513,14 @@ static int vhost_scsi_setup_vq_cmds(struct vhost_virtqueue *vq, int max_cmds)
goto out;
}
+ tv_cmd->tvc_resp_iov = kcalloc(UIO_MAXIOV,
+ sizeof(struct iovec),
+ GFP_KERNEL);
+ if (!tv_cmd->tvc_resp_iov) {
+ pr_err("Unable to allocate tv_cmd->tvc_resp_iov\n");
+ goto out;
+ }
+
tv_cmd->tvc_prot_sgl = kcalloc(VHOST_SCSI_PREALLOC_PROT_SGLS,
sizeof(struct scatterlist),
GFP_KERNEL);
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 3c2359570df9..43c9770b86e5 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -661,7 +661,7 @@ void vhost_dev_stop(struct vhost_dev *dev)
}
EXPORT_SYMBOL_GPL(vhost_dev_stop);
-static void vhost_clear_msg(struct vhost_dev *dev)
+void vhost_clear_msg(struct vhost_dev *dev)
{
struct vhost_msg_node *node, *n;
@@ -679,6 +679,7 @@ static void vhost_clear_msg(struct vhost_dev *dev)
spin_unlock(&dev->iotlb_lock);
}
+EXPORT_SYMBOL_GPL(vhost_clear_msg);
void vhost_dev_cleanup(struct vhost_dev *dev)
{
@@ -832,7 +833,7 @@ static int vhost_copy_to_user(struct vhost_virtqueue *vq, void __user *to,
VHOST_ACCESS_WO);
if (ret < 0)
goto out;
- iov_iter_init(&t, WRITE, vq->iotlb_iov, ret, size);
+ iov_iter_init(&t, ITER_DEST, vq->iotlb_iov, ret, size);
ret = copy_to_iter(from, size, &t);
if (ret == size)
ret = 0;
@@ -871,7 +872,7 @@ static int vhost_copy_from_user(struct vhost_virtqueue *vq, void *to,
(unsigned long long) size);
goto out;
}
- iov_iter_init(&f, READ, vq->iotlb_iov, ret, size);
+ iov_iter_init(&f, ITER_SOURCE, vq->iotlb_iov, ret, size);
ret = copy_from_iter(to, size, &f);
if (ret == size)
ret = 0;
@@ -2135,7 +2136,7 @@ static int get_indirect(struct vhost_virtqueue *vq,
vq_err(vq, "Translation failure %d in indirect.\n", ret);
return ret;
}
- iov_iter_init(&from, READ, vq->indirect, ret, len);
+ iov_iter_init(&from, ITER_SOURCE, vq->indirect, ret, len);
count = len / sizeof desc;
/* Buffers are chained via a 16 bit next field, so
* we can have at most 2^16 of these. */
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index d9109107af08..790b296271f1 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -181,6 +181,7 @@ long vhost_dev_ioctl(struct vhost_dev *, unsigned int ioctl, void __user *argp);
long vhost_vring_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp);
bool vhost_vq_access_ok(struct vhost_virtqueue *vq);
bool vhost_log_access_ok(struct vhost_dev *);
+void vhost_clear_msg(struct vhost_dev *dev);
int vhost_get_vq_desc(struct vhost_virtqueue *,
struct iovec iov[], unsigned int iov_count,
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
index 828c29306565..33eb941fcf15 100644
--- a/drivers/vhost/vringh.c
+++ b/drivers/vhost/vringh.c
@@ -1161,7 +1161,7 @@ static inline int copy_from_iotlb(const struct vringh *vrh, void *dst,
else if (ret < 0)
return ret;
- iov_iter_bvec(&iter, READ, iov, ret, translated);
+ iov_iter_bvec(&iter, ITER_SOURCE, iov, ret, translated);
ret = copy_from_iter(dst, translated, &iter);
if (ret < 0)
@@ -1194,7 +1194,7 @@ static inline int copy_to_iotlb(const struct vringh *vrh, void *dst,
else if (ret < 0)
return ret;
- iov_iter_bvec(&iter, WRITE, iov, ret, translated);
+ iov_iter_bvec(&iter, ITER_DEST, iov, ret, translated);
ret = copy_to_iter(src, translated, &iter);
if (ret < 0)
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 10a7d23731fe..a2b374372363 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -165,7 +165,7 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
break;
}
- iov_iter_init(&iov_iter, READ, &vq->iov[out], in, iov_len);
+ iov_iter_init(&iov_iter, ITER_DEST, &vq->iov[out], in, iov_len);
payload_len = pkt->len - pkt->off;
/* If the packet is greater than the space available in the
@@ -371,7 +371,7 @@ vhost_vsock_alloc_pkt(struct vhost_virtqueue *vq,
return NULL;
len = iov_length(vq->iov, out);
- iov_iter_init(&iov_iter, WRITE, vq->iov, out, len);
+ iov_iter_init(&iov_iter, ITER_SOURCE, vq->iov, out, len);
nbytes = copy_from_iter(&pkt->hdr, sizeof(pkt->hdr), &iov_iter);
if (nbytes != sizeof(pkt->hdr)) {
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 14a7d404062c..1b14c21af2b7 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2495,9 +2495,12 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font,
h > FBCON_SWAP(info->var.rotate, info->var.yres, info->var.xres))
return -EINVAL;
+ if (font->width > 32 || font->height > 32)
+ return -EINVAL;
+
/* Make sure drawing engine can handle the font */
- if (!(info->pixmap.blit_x & (1 << (font->width - 1))) ||
- !(info->pixmap.blit_y & (1 << (font->height - 1))))
+ if (!(info->pixmap.blit_x & BIT(font->width - 1)) ||
+ !(info->pixmap.blit_y & BIT(font->height - 1)))
return -EINVAL;
/* Make sure driver can handle the font length */
diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c
index 9343b7a4ac89..2ad6e98ce10d 100644
--- a/drivers/video/fbdev/smscufx.c
+++ b/drivers/video/fbdev/smscufx.c
@@ -1622,7 +1622,7 @@ static int ufx_usb_probe(struct usb_interface *interface,
struct usb_device *usbdev;
struct ufx_data *dev;
struct fb_info *info;
- int retval;
+ int retval = -ENOMEM;
u32 id_rev, fpga_rev;
/* usb initialization */
@@ -1654,15 +1654,17 @@ static int ufx_usb_probe(struct usb_interface *interface,
if (!ufx_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) {
dev_err(dev->gdev, "ufx_alloc_urb_list failed\n");
- goto e_nomem;
+ goto put_ref;
}
/* We don't register a new USB class. Our client interface is fbdev */
/* allocates framebuffer driver structure, not framebuffer memory */
info = framebuffer_alloc(0, &usbdev->dev);
- if (!info)
- goto e_nomem;
+ if (!info) {
+ dev_err(dev->gdev, "framebuffer_alloc failed\n");
+ goto free_urb_list;
+ }
dev->info = info;
info->par = dev;
@@ -1705,22 +1707,34 @@ static int ufx_usb_probe(struct usb_interface *interface,
check_warn_goto_error(retval, "unable to find common mode for display and adapter");
retval = ufx_reg_set_bits(dev, 0x4000, 0x00000001);
- check_warn_goto_error(retval, "error %d enabling graphics engine", retval);
+ if (retval < 0) {
+ dev_err(dev->gdev, "error %d enabling graphics engine", retval);
+ goto setup_modes;
+ }
/* ready to begin using device */
atomic_set(&dev->usb_active, 1);
dev_dbg(dev->gdev, "checking var");
retval = ufx_ops_check_var(&info->var, info);
- check_warn_goto_error(retval, "error %d ufx_ops_check_var", retval);
+ if (retval < 0) {
+ dev_err(dev->gdev, "error %d ufx_ops_check_var", retval);
+ goto reset_active;
+ }
dev_dbg(dev->gdev, "setting par");
retval = ufx_ops_set_par(info);
- check_warn_goto_error(retval, "error %d ufx_ops_set_par", retval);
+ if (retval < 0) {
+ dev_err(dev->gdev, "error %d ufx_ops_set_par", retval);
+ goto reset_active;
+ }
dev_dbg(dev->gdev, "registering framebuffer");
retval = register_framebuffer(info);
- check_warn_goto_error(retval, "error %d register_framebuffer", retval);
+ if (retval < 0) {
+ dev_err(dev->gdev, "error %d register_framebuffer", retval);
+ goto reset_active;
+ }
dev_info(dev->gdev, "SMSC UDX USB device /dev/fb%d attached. %dx%d resolution."
" Using %dK framebuffer memory\n", info->node,
@@ -1728,21 +1742,23 @@ static int ufx_usb_probe(struct usb_interface *interface,
return 0;
-error:
- fb_dealloc_cmap(&info->cmap);
-destroy_modedb:
+reset_active:
+ atomic_set(&dev->usb_active, 0);
+setup_modes:
fb_destroy_modedb(info->monspecs.modedb);
vfree(info->screen_base);
fb_destroy_modelist(&info->modelist);
+error:
+ fb_dealloc_cmap(&info->cmap);
+destroy_modedb:
framebuffer_release(info);
+free_urb_list:
+ if (dev->urbs.count > 0)
+ ufx_free_urb_list(dev);
put_ref:
kref_put(&dev->kref, ufx_free); /* ref for framebuffer */
kref_put(&dev->kref, ufx_free); /* last ref from kref_init */
return retval;
-
-e_nomem:
- retval = -ENOMEM;
- goto put_ref;
}
static void ufx_usb_disconnect(struct usb_interface *interface)
diff --git a/drivers/watchdog/diag288_wdt.c b/drivers/watchdog/diag288_wdt.c
index 4cb10877017c..6ca5d9515d85 100644
--- a/drivers/watchdog/diag288_wdt.c
+++ b/drivers/watchdog/diag288_wdt.c
@@ -86,7 +86,7 @@ static int __diag288(unsigned int func, unsigned int timeout,
"1:\n"
EX_TABLE(0b, 1b)
: "+d" (err) : "d"(__func), "d"(__timeout),
- "d"(__action), "d"(__len) : "1", "cc");
+ "d"(__action), "d"(__len) : "1", "cc", "memory");
return err;
}
@@ -268,12 +268,21 @@ static int __init diag288_init(void)
char ebc_begin[] = {
194, 197, 199, 201, 213
};
+ char *ebc_cmd;
watchdog_set_nowayout(&wdt_dev, nowayout_info);
if (MACHINE_IS_VM) {
- if (__diag288_vm(WDT_FUNC_INIT, 15,
- ebc_begin, sizeof(ebc_begin)) != 0) {
+ ebc_cmd = kmalloc(sizeof(ebc_begin), GFP_KERNEL);
+ if (!ebc_cmd) {
+ pr_err("The watchdog cannot be initialized\n");
+ return -ENOMEM;
+ }
+ memcpy(ebc_cmd, ebc_begin, sizeof(ebc_begin));
+ ret = __diag288_vm(WDT_FUNC_INIT, 15,
+ ebc_cmd, sizeof(ebc_begin));
+ kfree(ebc_cmd);
+ if (ret != 0) {
pr_err("The watchdog cannot be initialized\n");
return -EINVAL;
}
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index d6f945fd4147..28b2a1fa25ab 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -129,13 +129,13 @@ static bool pvcalls_conn_back_read(void *opaque)
if (masked_prod < masked_cons) {
vec[0].iov_base = data->in + masked_prod;
vec[0].iov_len = wanted;
- iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, wanted);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, vec, 1, wanted);
} else {
vec[0].iov_base = data->in + masked_prod;
vec[0].iov_len = array_size - masked_prod;
vec[1].iov_base = data->in;
vec[1].iov_len = wanted - vec[0].iov_len;
- iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, wanted);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, vec, 2, wanted);
}
atomic_set(&map->read, 0);
@@ -188,13 +188,13 @@ static bool pvcalls_conn_back_write(struct sock_mapping *map)
if (pvcalls_mask(prod, array_size) > pvcalls_mask(cons, array_size)) {
vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
vec[0].iov_len = size;
- iov_iter_kvec(&msg.msg_iter, READ, vec, 1, size);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, vec, 1, size);
} else {
vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
vec[0].iov_len = array_size - pvcalls_mask(cons, array_size);
vec[1].iov_base = data->out;
vec[1].iov_len = size - vec[0].iov_len;
- iov_iter_kvec(&msg.msg_iter, READ, vec, 2, size);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, vec, 2, size);
}
atomic_set(&map->write, 0);
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 47b9a1122f34..a19891015f19 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -40,7 +40,7 @@ static void v9fs_issue_read(struct netfs_io_subrequest *subreq)
size_t len = subreq->len - subreq->transferred;
int total, err;
- iov_iter_xarray(&to, READ, &rreq->mapping->i_pages, pos, len);
+ iov_iter_xarray(&to, ITER_DEST, &rreq->mapping->i_pages, pos, len);
total = p9_client_read(fid, pos, &to, &err);
@@ -172,7 +172,7 @@ static int v9fs_vfs_write_folio_locked(struct folio *folio)
len = min_t(loff_t, i_size - start, len);
- iov_iter_xarray(&from, WRITE, &folio_mapping(folio)->i_pages, start, len);
+ iov_iter_xarray(&from, ITER_SOURCE, &folio_mapping(folio)->i_pages, start, len);
/* We should have writeback_fid always set */
BUG_ON(!v9inode->writeback_fid);
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 000fbaae9b18..3bb95adc9619 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -109,7 +109,7 @@ static int v9fs_dir_readdir(struct file *file, struct dir_context *ctx)
struct iov_iter to;
int n;
- iov_iter_kvec(&to, READ, &kvec, 1, buflen);
+ iov_iter_kvec(&to, ITER_DEST, &kvec, 1, buflen);
n = p9_client_read(file->private_data, ctx->pos, &to,
&err);
if (err)
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index 1f9298a4bd42..2807bb63f780 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -24,7 +24,7 @@ ssize_t v9fs_fid_xattr_get(struct p9_fid *fid, const char *name,
struct iov_iter to;
int err;
- iov_iter_kvec(&to, READ, &kvec, 1, buffer_size);
+ iov_iter_kvec(&to, ITER_DEST, &kvec, 1, buffer_size);
attr_fid = p9_client_xattrwalk(fid, name, &attr_size);
if (IS_ERR(attr_fid)) {
@@ -109,7 +109,7 @@ int v9fs_fid_xattr_set(struct p9_fid *fid, const char *name,
struct iov_iter from;
int retval, err;
- iov_iter_kvec(&from, WRITE, &kvec, 1, value_len);
+ iov_iter_kvec(&from, ITER_SOURCE, &kvec, 1, value_len);
p9_debug(P9_DEBUG_VFS, "name = %s value_len = %zu flags = %d\n",
name, value_len, flags);
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 0a090d614e76..7dcd59693a0c 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -298,7 +298,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
if (call->count2 != call->count && call->count2 != 0)
return afs_protocol_error(call, afs_eproto_cb_count);
call->iter = &call->def_iter;
- iov_iter_discard(&call->def_iter, READ, call->count2 * 3 * 4);
+ iov_iter_discard(&call->def_iter, ITER_DEST, call->count2 * 3 * 4);
call->unmarshall++;
fallthrough;
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 230c2d19116d..104df2964225 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -305,7 +305,7 @@ static struct afs_read *afs_read_dir(struct afs_vnode *dvnode, struct key *key)
req->actual_len = i_size; /* May change */
req->len = nr_pages * PAGE_SIZE; /* We can ask for more than there is */
req->data_version = dvnode->status.data_version; /* May change */
- iov_iter_xarray(&req->def_iter, READ, &dvnode->netfs.inode.i_mapping->i_pages,
+ iov_iter_xarray(&req->def_iter, ITER_DEST, &dvnode->netfs.inode.i_mapping->i_pages,
0, i_size);
req->iter = &req->def_iter;
diff --git a/fs/afs/file.c b/fs/afs/file.c
index d1cfb235c4b9..2eeab57df133 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -324,7 +324,7 @@ static void afs_issue_read(struct netfs_io_subrequest *subreq)
fsreq->vnode = vnode;
fsreq->iter = &fsreq->def_iter;
- iov_iter_xarray(&fsreq->def_iter, READ,
+ iov_iter_xarray(&fsreq->def_iter, ITER_DEST,
&fsreq->vnode->netfs.inode.i_mapping->i_pages,
fsreq->pos, fsreq->len);
@@ -346,7 +346,7 @@ static int afs_symlink_read_folio(struct file *file, struct folio *folio)
fsreq->len = folio_size(folio);
fsreq->vnode = vnode;
fsreq->iter = &fsreq->def_iter;
- iov_iter_xarray(&fsreq->def_iter, READ, &folio->mapping->i_pages,
+ iov_iter_xarray(&fsreq->def_iter, ITER_DEST, &folio->mapping->i_pages,
fsreq->pos, fsreq->len);
ret = afs_fetch_data(fsreq->vnode, fsreq);
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 723d162078a3..9ba7b68375c9 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -1301,7 +1301,7 @@ static inline void afs_extract_begin(struct afs_call *call, void *buf, size_t si
call->iov_len = size;
call->kvec[0].iov_base = buf;
call->kvec[0].iov_len = size;
- iov_iter_kvec(&call->def_iter, READ, call->kvec, 1, size);
+ iov_iter_kvec(&call->def_iter, ITER_DEST, call->kvec, 1, size);
}
static inline void afs_extract_to_tmp(struct afs_call *call)
@@ -1319,7 +1319,7 @@ static inline void afs_extract_to_tmp64(struct afs_call *call)
static inline void afs_extract_discard(struct afs_call *call, size_t size)
{
call->iov_len = size;
- iov_iter_discard(&call->def_iter, READ, size);
+ iov_iter_discard(&call->def_iter, ITER_DEST, size);
}
static inline void afs_extract_to_buf(struct afs_call *call, size_t size)
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index eccc3cd0cb70..c62939e5ea1f 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -359,7 +359,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
msg.msg_name = NULL;
msg.msg_namelen = 0;
- iov_iter_kvec(&msg.msg_iter, WRITE, iov, 1, call->request_size);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, iov, 1, call->request_size);
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = MSG_WAITALL | (call->write_iter ? MSG_MORE : 0);
@@ -400,7 +400,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
RX_USER_ABORT, ret, "KSD");
} else {
len = 0;
- iov_iter_kvec(&msg.msg_iter, READ, NULL, 0, 0);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, NULL, 0, 0);
rxrpc_kernel_recv_data(call->net->socket, rxcall,
&msg.msg_iter, &len, false,
&call->abort_code, &call->service_id);
@@ -485,7 +485,7 @@ static void afs_deliver_to_call(struct afs_call *call)
) {
if (state == AFS_CALL_SV_AWAIT_ACK) {
len = 0;
- iov_iter_kvec(&call->def_iter, READ, NULL, 0, 0);
+ iov_iter_kvec(&call->def_iter, ITER_DEST, NULL, 0, 0);
ret = rxrpc_kernel_recv_data(call->net->socket,
call->rxcall, &call->def_iter,
&len, false, &remote_abort,
@@ -822,7 +822,7 @@ void afs_send_empty_reply(struct afs_call *call)
msg.msg_name = NULL;
msg.msg_namelen = 0;
- iov_iter_kvec(&msg.msg_iter, WRITE, NULL, 0, 0);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, NULL, 0, 0);
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
@@ -862,7 +862,7 @@ void afs_send_simple_reply(struct afs_call *call, const void *buf, size_t len)
iov[0].iov_len = len;
msg.msg_name = NULL;
msg.msg_namelen = 0;
- iov_iter_kvec(&msg.msg_iter, WRITE, iov, 1, len);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, iov, 1, len);
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 9ebdd36eaf2f..08fd456dde67 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -609,7 +609,7 @@ static ssize_t afs_write_back_from_locked_folio(struct address_space *mapping,
*/
afs_write_to_cache(vnode, start, len, i_size, caching);
- iov_iter_xarray(&iter, WRITE, &mapping->i_pages, start, len);
+ iov_iter_xarray(&iter, ITER_SOURCE, &mapping->i_pages, start, len);
ret = afs_store_data(vnode, &iter, start, false);
} else {
_debug("write discard %x @%llx [%llx]", len, start, i_size);
@@ -1000,7 +1000,7 @@ int afs_launder_folio(struct folio *folio)
bv[0].bv_page = &folio->page;
bv[0].bv_offset = f;
bv[0].bv_len = t - f;
- iov_iter_bvec(&iter, WRITE, bv, 1, bv[0].bv_len);
+ iov_iter_bvec(&iter, ITER_SOURCE, bv, 1, bv[0].bv_len);
trace_afs_folio_dirty(vnode, tracepoint_string("launder"), folio);
ret = afs_store_data(vnode, &iter, folio_pos(folio) + f, true);
diff --git a/fs/aio.c b/fs/aio.c
index 5b2ff20ad322..562916d85cba 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1552,7 +1552,7 @@ static int aio_read(struct kiocb *req, const struct iocb *iocb,
if (unlikely(!file->f_op->read_iter))
return -EINVAL;
- ret = aio_setup_rw(READ, iocb, &iovec, vectored, compat, &iter);
+ ret = aio_setup_rw(ITER_DEST, iocb, &iovec, vectored, compat, &iter);
if (ret < 0)
return ret;
ret = rw_verify_area(READ, file, &req->ki_pos, iov_iter_count(&iter));
@@ -1580,7 +1580,7 @@ static int aio_write(struct kiocb *req, const struct iocb *iocb,
if (unlikely(!file->f_op->write_iter))
return -EINVAL;
- ret = aio_setup_rw(WRITE, iocb, &iovec, vectored, compat, &iter);
+ ret = aio_setup_rw(ITER_SOURCE, iocb, &iovec, vectored, compat, &iter);
if (ret < 0)
return ret;
ret = rw_verify_area(WRITE, file, &req->ki_pos, iov_iter_count(&iter));
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index fd1902573cde..c05f16a35bca 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -5283,7 +5283,7 @@ static int btrfs_ioctl_encoded_read(struct file *file, void __user *argp,
goto out_acct;
}
- ret = import_iovec(READ, args.iov, args.iovcnt, ARRAY_SIZE(iovstack),
+ ret = import_iovec(ITER_DEST, args.iov, args.iovcnt, ARRAY_SIZE(iovstack),
&iov, &iter);
if (ret < 0)
goto out_acct;
@@ -5382,7 +5382,7 @@ static int btrfs_ioctl_encoded_write(struct file *file, void __user *argp, bool
if (args.len > args.unencoded_len - args.unencoded_offset)
goto out_acct;
- ret = import_iovec(WRITE, args.iov, args.iovcnt, ARRAY_SIZE(iovstack),
+ ret = import_iovec(ITER_SOURCE, args.iov, args.iovcnt, ARRAY_SIZE(iovstack),
&iov, &iter);
if (ret < 0)
goto out_acct;
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index dcf701b05cc1..61f47debec5a 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -288,7 +288,7 @@ static bool ceph_netfs_issue_op_inline(struct netfs_io_subrequest *subreq)
}
len = min_t(size_t, iinfo->inline_len - subreq->start, subreq->len);
- iov_iter_xarray(&iter, READ, &rreq->mapping->i_pages, subreq->start, len);
+ iov_iter_xarray(&iter, ITER_DEST, &rreq->mapping->i_pages, subreq->start, len);
err = copy_to_iter(iinfo->inline_data + subreq->start, len, &iter);
if (err == 0)
err = -EFAULT;
@@ -327,7 +327,7 @@ static void ceph_netfs_issue_read(struct netfs_io_subrequest *subreq)
}
dout("%s: pos=%llu orig_len=%zu len=%llu\n", __func__, subreq->start, subreq->len, len);
- iov_iter_xarray(&iter, READ, &rreq->mapping->i_pages, subreq->start, len);
+ iov_iter_xarray(&iter, ITER_DEST, &rreq->mapping->i_pages, subreq->start, len);
err = iov_iter_get_pages_alloc2(&iter, &pages, len, &page_off);
if (err < 0) {
dout("%s: iov_ter_get_pages_alloc returned %d\n", __func__, err);
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 04fd34557de8..6f9580defb2b 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1161,7 +1161,7 @@ static void ceph_aio_complete_req(struct ceph_osd_request *req)
aio_req->total_len = rc + zlen;
}
- iov_iter_bvec(&i, READ, osd_data->bvec_pos.bvecs,
+ iov_iter_bvec(&i, ITER_DEST, osd_data->bvec_pos.bvecs,
osd_data->num_bvecs, len);
iov_iter_advance(&i, rc);
iov_iter_zero(zlen, &i);
@@ -1400,7 +1400,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
int zlen = min_t(size_t, len - ret,
size - pos - ret);
- iov_iter_bvec(&i, READ, bvecs, num_pages, len);
+ iov_iter_bvec(&i, ITER_DEST, bvecs, num_pages, len);
iov_iter_advance(&i, ret);
iov_iter_zero(zlen, &i);
ret += zlen;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index eab36e4ea130..384c7c0e1088 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -761,7 +761,7 @@ cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
{
struct msghdr smb_msg = {};
struct kvec iov = {.iov_base = buf, .iov_len = to_read};
- iov_iter_kvec(&smb_msg.msg_iter, READ, &iov, 1, to_read);
+ iov_iter_kvec(&smb_msg.msg_iter, ITER_DEST, &iov, 1, to_read);
return cifs_readv_from_socket(server, &smb_msg);
}
@@ -776,7 +776,7 @@ cifs_discard_from_socket(struct TCP_Server_Info *server, size_t to_read)
* and cifs_readv_from_socket sets msg_control and msg_controllen
* so little to initialize in struct msghdr
*/
- iov_iter_discard(&smb_msg.msg_iter, READ, to_read);
+ iov_iter_discard(&smb_msg.msg_iter, ITER_DEST, to_read);
return cifs_readv_from_socket(server, &smb_msg);
}
@@ -788,7 +788,7 @@ cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page,
struct msghdr smb_msg = {};
struct bio_vec bv = {
.bv_page = page, .bv_len = to_read, .bv_offset = page_offset};
- iov_iter_bvec(&smb_msg.msg_iter, READ, &bv, 1, to_read);
+ iov_iter_bvec(&smb_msg.msg_iter, ITER_DEST, &bv, 1, to_read);
return cifs_readv_from_socket(server, &smb_msg);
}
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index cd9698209930..209dfc06fd6d 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3532,7 +3532,7 @@ static ssize_t __cifs_writev(
ctx->iter = *from;
ctx->len = len;
} else {
- rc = setup_aio_ctx_iter(ctx, from, WRITE);
+ rc = setup_aio_ctx_iter(ctx, from, ITER_SOURCE);
if (rc) {
kref_put(&ctx->refcount, cifs_aio_ctx_release);
return rc;
@@ -4276,7 +4276,7 @@ static ssize_t __cifs_readv(
ctx->iter = *to;
ctx->len = len;
} else {
- rc = setup_aio_ctx_iter(ctx, to, READ);
+ rc = setup_aio_ctx_iter(ctx, to, ITER_DEST);
if (rc) {
kref_put(&ctx->refcount, cifs_aio_ctx_release);
return rc;
diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c
index a1751b956318..f6f3a6b75601 100644
--- a/fs/cifs/fscache.c
+++ b/fs/cifs/fscache.c
@@ -150,7 +150,7 @@ static int fscache_fallback_read_page(struct inode *inode, struct page *page)
bvec[0].bv_page = page;
bvec[0].bv_offset = 0;
bvec[0].bv_len = PAGE_SIZE;
- iov_iter_bvec(&iter, READ, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
+ iov_iter_bvec(&iter, ITER_DEST, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
ret = fscache_begin_read_operation(&cres, cookie);
if (ret < 0)
@@ -180,7 +180,7 @@ static int fscache_fallback_write_page(struct inode *inode, struct page *page,
bvec[0].bv_page = page;
bvec[0].bv_offset = 0;
bvec[0].bv_len = PAGE_SIZE;
- iov_iter_bvec(&iter, WRITE, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
+ iov_iter_bvec(&iter, ITER_SOURCE, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
ret = fscache_begin_write_operation(&cres, cookie);
if (ret < 0)
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 1ff5b6b0e07a..78c2d618eb51 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -4737,13 +4737,13 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid,
return 0;
}
- iov_iter_bvec(&iter, WRITE, bvec, npages, data_len);
+ iov_iter_bvec(&iter, ITER_SOURCE, bvec, npages, data_len);
} else if (buf_len >= data_offset + data_len) {
/* read response payload is in buf */
WARN_ONCE(npages > 0, "read data can be either in buf or in pages");
iov.iov_base = buf + data_offset;
iov.iov_len = data_len;
- iov_iter_kvec(&iter, WRITE, &iov, 1, data_len);
+ iov_iter_kvec(&iter, ITER_SOURCE, &iov, 1, data_len);
} else {
/* read response payload cannot be in both buf and pages */
WARN_ONCE(1, "buf can not contain only a part of read data");
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 575fa8f58342..3851d0aaa288 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -347,7 +347,7 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
.iov_base = &rfc1002_marker,
.iov_len = 4
};
- iov_iter_kvec(&smb_msg.msg_iter, WRITE, &hiov, 1, 4);
+ iov_iter_kvec(&smb_msg.msg_iter, ITER_SOURCE, &hiov, 1, 4);
rc = smb_send_kvec(server, &smb_msg, &sent);
if (rc < 0)
goto unmask;
@@ -368,7 +368,7 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
size += iov[i].iov_len;
}
- iov_iter_kvec(&smb_msg.msg_iter, WRITE, iov, n_vec, size);
+ iov_iter_kvec(&smb_msg.msg_iter, ITER_SOURCE, iov, n_vec, size);
rc = smb_send_kvec(server, &smb_msg, &sent);
if (rc < 0)
@@ -384,7 +384,7 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
rqst_page_get_length(&rqst[j], i, &bvec.bv_len,
&bvec.bv_offset);
- iov_iter_bvec(&smb_msg.msg_iter, WRITE,
+ iov_iter_bvec(&smb_msg.msg_iter, ITER_SOURCE,
&bvec, 1, bvec.bv_len);
rc = smb_send_kvec(server, &smb_msg, &sent);
if (rc < 0)
diff --git a/fs/coredump.c b/fs/coredump.c
index 7bad7785e8e6..095ed821c8ac 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -853,7 +853,7 @@ static int dump_emit_page(struct coredump_params *cprm, struct page *page)
if (dump_interrupted())
return 0;
pos = file->f_pos;
- iov_iter_bvec(&iter, WRITE, &bvec, 1, PAGE_SIZE);
+ iov_iter_bvec(&iter, ITER_SOURCE, &bvec, 1, PAGE_SIZE);
n = __kernel_write_iter(cprm->file, &iter, &pos);
if (n != PAGE_SIZE)
return 0;
diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index 6a792a513d6b..b04f93bc062a 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -194,7 +194,7 @@ static int erofs_fscache_read_folios_async(struct fscache_cookie *cookie,
atomic_inc(&rreq->nr_outstanding);
- iov_iter_xarray(&iter, READ, &rreq->mapping->i_pages,
+ iov_iter_xarray(&iter, ITER_DEST, &rreq->mapping->i_pages,
start + done, subreq->len);
ret = fscache_read(cres, subreq->start, &iter,
@@ -290,7 +290,7 @@ static int erofs_fscache_data_read(struct address_space *mapping,
if (IS_ERR(src))
return PTR_ERR(src);
- iov_iter_xarray(&iter, READ, &mapping->i_pages, pos, PAGE_SIZE);
+ iov_iter_xarray(&iter, ITER_DEST, &mapping->i_pages, pos, PAGE_SIZE);
if (copy_to_iter(src + offset, size, &iter) != size) {
erofs_put_metabuf(&buf);
return -EFAULT;
@@ -302,7 +302,7 @@ static int erofs_fscache_data_read(struct address_space *mapping,
if (!(map.m_flags & EROFS_MAP_MAPPED)) {
count = len;
- iov_iter_xarray(&iter, READ, &mapping->i_pages, pos, count);
+ iov_iter_xarray(&iter, ITER_DEST, &mapping->i_pages, pos, count);
iov_iter_zero(count, &iter);
return count;
}
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index b3184d8b1ce8..ee6836478efe 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1078,7 +1078,7 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
{
struct page *node_page;
nid_t nid;
- unsigned int ofs_in_node, max_addrs;
+ unsigned int ofs_in_node, max_addrs, base;
block_t source_blkaddr;
nid = le32_to_cpu(sum->nid);
@@ -1104,11 +1104,17 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
return false;
}
- max_addrs = IS_INODE(node_page) ? DEF_ADDRS_PER_INODE :
- DEF_ADDRS_PER_BLOCK;
- if (ofs_in_node >= max_addrs) {
- f2fs_err(sbi, "Inconsistent ofs_in_node:%u in summary, ino:%u, nid:%u, max:%u",
- ofs_in_node, dni->ino, dni->nid, max_addrs);
+ if (IS_INODE(node_page)) {
+ base = offset_in_addr(F2FS_INODE(node_page));
+ max_addrs = DEF_ADDRS_PER_INODE;
+ } else {
+ base = 0;
+ max_addrs = DEF_ADDRS_PER_BLOCK;
+ }
+
+ if (base + ofs_in_node >= max_addrs) {
+ f2fs_err(sbi, "Inconsistent blkaddr offset: base:%u, ofs_in_node:%u, max:%u, ino:%u, nid:%u",
+ base, ofs_in_node, max_addrs, dni->ino, dni->nid);
f2fs_put_page(node_page, 1);
return false;
}
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 67d51f527606..eaabb85cb4dd 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4095,6 +4095,24 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
sbi->sb = sb;
+ /* initialize locks within allocated memory */
+ init_f2fs_rwsem(&sbi->gc_lock);
+ mutex_init(&sbi->writepages);
+ init_f2fs_rwsem(&sbi->cp_global_sem);
+ init_f2fs_rwsem(&sbi->node_write);
+ init_f2fs_rwsem(&sbi->node_change);
+ spin_lock_init(&sbi->stat_lock);
+ init_f2fs_rwsem(&sbi->cp_rwsem);
+ init_f2fs_rwsem(&sbi->quota_sem);
+ init_waitqueue_head(&sbi->cp_wait);
+ spin_lock_init(&sbi->error_lock);
+
+ for (i = 0; i < NR_INODE_TYPE; i++) {
+ INIT_LIST_HEAD(&sbi->inode_list[i]);
+ spin_lock_init(&sbi->inode_lock[i]);
+ }
+ mutex_init(&sbi->flush_lock);
+
/* Load the checksum driver */
sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0);
if (IS_ERR(sbi->s_chksum_driver)) {
@@ -4118,6 +4136,8 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_fs_info = sbi;
sbi->raw_super = raw_super;
+ memcpy(sbi->errors, raw_super->s_errors, MAX_F2FS_ERRORS);
+
/* precompute checksum seed for metadata */
if (f2fs_sb_has_inode_chksum(sbi))
sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid,
@@ -4174,26 +4194,14 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
/* init f2fs-specific super block info */
sbi->valid_super_block = valid_super_block;
- init_f2fs_rwsem(&sbi->gc_lock);
- mutex_init(&sbi->writepages);
- init_f2fs_rwsem(&sbi->cp_global_sem);
- init_f2fs_rwsem(&sbi->node_write);
- init_f2fs_rwsem(&sbi->node_change);
/* disallow all the data/node/meta page writes */
set_sbi_flag(sbi, SBI_POR_DOING);
- spin_lock_init(&sbi->stat_lock);
err = f2fs_init_write_merge_io(sbi);
if (err)
goto free_bio_info;
- spin_lock_init(&sbi->error_lock);
- memcpy(sbi->errors, raw_super->s_errors, MAX_F2FS_ERRORS);
-
- init_f2fs_rwsem(&sbi->cp_rwsem);
- init_f2fs_rwsem(&sbi->quota_sem);
- init_waitqueue_head(&sbi->cp_wait);
init_sb_info(sbi);
err = f2fs_init_iostat(sbi);
@@ -4271,12 +4279,6 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
limit_reserve_root(sbi);
adjust_unusable_cap_perc(sbi);
- for (i = 0; i < NR_INODE_TYPE; i++) {
- INIT_LIST_HEAD(&sbi->inode_list[i]);
- spin_lock_init(&sbi->inode_lock[i]);
- }
- mutex_init(&sbi->flush_lock);
-
f2fs_init_extent_cache_info(sbi);
f2fs_init_ino_entry_info(sbi);
diff --git a/fs/fscache/io.c b/fs/fscache/io.c
index 3af3b08a9bb3..0d2b8dec8f82 100644
--- a/fs/fscache/io.c
+++ b/fs/fscache/io.c
@@ -286,7 +286,7 @@ void __fscache_write_to_cache(struct fscache_cookie *cookie,
* taken into account.
*/
- iov_iter_xarray(&iter, WRITE, &mapping->i_pages, start, len);
+ iov_iter_xarray(&iter, ITER_SOURCE, &mapping->i_pages, start, len);
fscache_write(cres, start, &iter, fscache_wreq_done, wreq);
return;
diff --git a/fs/fscache/volume.c b/fs/fscache/volume.c
index ab8ceddf9efa..903af9d85f8b 100644
--- a/fs/fscache/volume.c
+++ b/fs/fscache/volume.c
@@ -141,13 +141,14 @@ static bool fscache_is_acquire_pending(struct fscache_volume *volume)
static void fscache_wait_on_volume_collision(struct fscache_volume *candidate,
unsigned int collidee_debug_id)
{
- wait_var_event_timeout(&candidate->flags,
- !fscache_is_acquire_pending(candidate), 20 * HZ);
+ wait_on_bit_timeout(&candidate->flags, FSCACHE_VOLUME_ACQUIRE_PENDING,
+ TASK_UNINTERRUPTIBLE, 20 * HZ);
if (fscache_is_acquire_pending(candidate)) {
pr_notice("Potential volume collision new=%08x old=%08x",
candidate->debug_id, collidee_debug_id);
fscache_stat(&fscache_n_volumes_collision);
- wait_var_event(&candidate->flags, !fscache_is_acquire_pending(candidate));
+ wait_on_bit(&candidate->flags, FSCACHE_VOLUME_ACQUIRE_PENDING,
+ TASK_UNINTERRUPTIBLE);
}
}
@@ -347,8 +348,8 @@ static void fscache_wake_pending_volume(struct fscache_volume *volume,
hlist_bl_for_each_entry(cursor, p, h, hash_link) {
if (fscache_volume_same(cursor, volume)) {
fscache_see_volume(cursor, fscache_volume_see_hash_wake);
- clear_bit(FSCACHE_VOLUME_ACQUIRE_PENDING, &cursor->flags);
- wake_up_bit(&cursor->flags, FSCACHE_VOLUME_ACQUIRE_PENDING);
+ clear_and_wake_up_bit(FSCACHE_VOLUME_ACQUIRE_PENDING,
+ &cursor->flags);
return;
}
}
diff --git a/fs/fuse/ioctl.c b/fs/fuse/ioctl.c
index 61d8afcb10a3..fcce94ace2c2 100644
--- a/fs/fuse/ioctl.c
+++ b/fs/fuse/ioctl.c
@@ -255,7 +255,7 @@ long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,
ap.args.in_pages = true;
err = -EFAULT;
- iov_iter_init(&ii, WRITE, in_iov, in_iovs, in_size);
+ iov_iter_init(&ii, ITER_SOURCE, in_iov, in_iovs, in_size);
for (i = 0; iov_iter_count(&ii) && !WARN_ON(i >= ap.num_pages); i++) {
c = copy_page_from_iter(ap.pages[i], 0, PAGE_SIZE, &ii);
if (c != PAGE_SIZE && iov_iter_count(&ii))
@@ -324,7 +324,7 @@ long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,
goto out;
err = -EFAULT;
- iov_iter_init(&ii, READ, out_iov, out_iovs, transferred);
+ iov_iter_init(&ii, ITER_DEST, out_iov, out_iovs, transferred);
for (i = 0; iov_iter_count(&ii) && !WARN_ON(i >= ap.num_pages); i++) {
c = copy_page_to_iter(ap.pages[i], 0, PAGE_SIZE, &ii);
if (c != PAGE_SIZE && iov_iter_count(&ii))
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 05bee80ac7de..e782b4f1d104 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -427,8 +427,6 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
return error;
kaddr = kmap_atomic(page);
- if (dsize > gfs2_max_stuffed_size(ip))
- dsize = gfs2_max_stuffed_size(ip);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
kunmap_atomic(kaddr);
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 3bdb2c668a71..e7537fd305dd 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -61,9 +61,6 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
void *kaddr = kmap(page);
u64 dsize = i_size_read(inode);
- if (dsize > gfs2_max_stuffed_size(ip))
- dsize = gfs2_max_stuffed_size(ip);
-
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
kunmap(page);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 49210a2e7ce7..d78b61ecc1cd 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -397,38 +397,39 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
struct timespec64 atime;
u16 height, depth;
umode_t mode = be32_to_cpu(str->di_mode);
- bool is_new = ip->i_inode.i_state & I_NEW;
+ struct inode *inode = &ip->i_inode;
+ bool is_new = inode->i_state & I_NEW;
if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)))
goto corrupt;
- if (unlikely(!is_new && inode_wrong_type(&ip->i_inode, mode)))
+ if (unlikely(!is_new && inode_wrong_type(inode, mode)))
goto corrupt;
ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino);
- ip->i_inode.i_mode = mode;
+ inode->i_mode = mode;
if (is_new) {
- ip->i_inode.i_rdev = 0;
+ inode->i_rdev = 0;
switch (mode & S_IFMT) {
case S_IFBLK:
case S_IFCHR:
- ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major),
- be32_to_cpu(str->di_minor));
+ inode->i_rdev = MKDEV(be32_to_cpu(str->di_major),
+ be32_to_cpu(str->di_minor));
break;
}
}
- i_uid_write(&ip->i_inode, be32_to_cpu(str->di_uid));
- i_gid_write(&ip->i_inode, be32_to_cpu(str->di_gid));
- set_nlink(&ip->i_inode, be32_to_cpu(str->di_nlink));
- i_size_write(&ip->i_inode, be64_to_cpu(str->di_size));
- gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
+ i_uid_write(inode, be32_to_cpu(str->di_uid));
+ i_gid_write(inode, be32_to_cpu(str->di_gid));
+ set_nlink(inode, be32_to_cpu(str->di_nlink));
+ i_size_write(inode, be64_to_cpu(str->di_size));
+ gfs2_set_inode_blocks(inode, be64_to_cpu(str->di_blocks));
atime.tv_sec = be64_to_cpu(str->di_atime);
atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
- if (timespec64_compare(&ip->i_inode.i_atime, &atime) < 0)
- ip->i_inode.i_atime = atime;
- ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
- ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec);
- ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime);
- ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec);
+ if (timespec64_compare(&inode->i_atime, &atime) < 0)
+ inode->i_atime = atime;
+ inode->i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
+ inode->i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec);
+ inode->i_ctime.tv_sec = be64_to_cpu(str->di_ctime);
+ inode->i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec);
ip->i_goal = be64_to_cpu(str->di_goal_meta);
ip->i_generation = be64_to_cpu(str->di_generation);
@@ -436,7 +437,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
ip->i_diskflags = be32_to_cpu(str->di_flags);
ip->i_eattr = be64_to_cpu(str->di_eattr);
/* i_diskflags and i_eattr must be set before gfs2_set_inode_flags() */
- gfs2_set_inode_flags(&ip->i_inode);
+ gfs2_set_inode_flags(inode);
height = be16_to_cpu(str->di_height);
if (unlikely(height > GFS2_MAX_META_HEIGHT))
goto corrupt;
@@ -448,8 +449,11 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
ip->i_depth = (u8)depth;
ip->i_entries = be32_to_cpu(str->di_entries);
- if (S_ISREG(ip->i_inode.i_mode))
- gfs2_set_aops(&ip->i_inode);
+ if (gfs2_is_stuffed(ip) && inode->i_size > gfs2_max_stuffed_size(ip))
+ goto corrupt;
+
+ if (S_ISREG(inode->i_mode))
+ gfs2_set_aops(inode);
return 0;
corrupt:
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 723639376ae2..61323deb80bc 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -80,6 +80,15 @@ void gfs2_remove_from_ail(struct gfs2_bufdata *bd)
brelse(bd->bd_bh);
}
+static int __gfs2_writepage(struct page *page, struct writeback_control *wbc,
+ void *data)
+{
+ struct address_space *mapping = data;
+ int ret = mapping->a_ops->writepage(page, wbc);
+ mapping_set_error(mapping, ret);
+ return ret;
+}
+
/**
* gfs2_ail1_start_one - Start I/O on a transaction
* @sdp: The superblock
@@ -131,7 +140,7 @@ __acquires(&sdp->sd_ail_lock)
if (!mapping)
continue;
spin_unlock(&sdp->sd_ail_lock);
- ret = filemap_fdatawrite_wbc(mapping, wbc);
+ ret = write_cache_pages(mapping, wbc, __gfs2_writepage, mapping);
if (need_resched()) {
blk_finish_plug(plug);
cond_resched();
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index b018957a1bb2..011f9e7660ef 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -379,6 +379,7 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp)
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
{
+ const struct inode *inode = &ip->i_inode;
struct gfs2_dinode *str = buf;
str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC);
@@ -386,15 +387,15 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
str->di_header.mh_format = cpu_to_be32(GFS2_FORMAT_DI);
str->di_num.no_addr = cpu_to_be64(ip->i_no_addr);
str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
- str->di_mode = cpu_to_be32(ip->i_inode.i_mode);
- str->di_uid = cpu_to_be32(i_uid_read(&ip->i_inode));
- str->di_gid = cpu_to_be32(i_gid_read(&ip->i_inode));
- str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink);
- str->di_size = cpu_to_be64(i_size_read(&ip->i_inode));
- str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));
- str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec);
- str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec);
- str->di_ctime = cpu_to_be64(ip->i_inode.i_ctime.tv_sec);
+ str->di_mode = cpu_to_be32(inode->i_mode);
+ str->di_uid = cpu_to_be32(i_uid_read(inode));
+ str->di_gid = cpu_to_be32(i_gid_read(inode));
+ str->di_nlink = cpu_to_be32(inode->i_nlink);
+ str->di_size = cpu_to_be64(i_size_read(inode));
+ str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(inode));
+ str->di_atime = cpu_to_be64(inode->i_atime.tv_sec);
+ str->di_mtime = cpu_to_be64(inode->i_mtime.tv_sec);
+ str->di_ctime = cpu_to_be64(inode->i_ctime.tv_sec);
str->di_goal_meta = cpu_to_be64(ip->i_goal);
str->di_goal_data = cpu_to_be64(ip->i_goal);
@@ -402,16 +403,16 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
str->di_flags = cpu_to_be32(ip->i_diskflags);
str->di_height = cpu_to_be16(ip->i_height);
- str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) &&
+ str->di_payload_format = cpu_to_be32(S_ISDIR(inode->i_mode) &&
!(ip->i_diskflags & GFS2_DIF_EXHASH) ?
GFS2_FORMAT_DE : 0);
str->di_depth = cpu_to_be16(ip->i_depth);
str->di_entries = cpu_to_be32(ip->i_entries);
str->di_eattr = cpu_to_be64(ip->i_eattr);
- str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec);
- str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec);
- str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec);
+ str->di_atime_nsec = cpu_to_be32(inode->i_atime.tv_nsec);
+ str->di_mtime_nsec = cpu_to_be32(inode->i_mtime.tv_nsec);
+ str->di_ctime_nsec = cpu_to_be32(inode->i_ctime.tv_nsec);
}
/**
diff --git a/fs/netfs/io.c b/fs/netfs/io.c
index e374767d1b68..7f753380e047 100644
--- a/fs/netfs/io.c
+++ b/fs/netfs/io.c
@@ -23,7 +23,7 @@ static void netfs_clear_unread(struct netfs_io_subrequest *subreq)
{
struct iov_iter iter;
- iov_iter_xarray(&iter, READ, &subreq->rreq->mapping->i_pages,
+ iov_iter_xarray(&iter, ITER_DEST, &subreq->rreq->mapping->i_pages,
subreq->start + subreq->transferred,
subreq->len - subreq->transferred);
iov_iter_zero(iov_iter_count(&iter), &iter);
@@ -49,7 +49,7 @@ static void netfs_read_from_cache(struct netfs_io_request *rreq,
struct iov_iter iter;
netfs_stat(&netfs_n_rh_read);
- iov_iter_xarray(&iter, READ, &rreq->mapping->i_pages,
+ iov_iter_xarray(&iter, ITER_DEST, &rreq->mapping->i_pages,
subreq->start + subreq->transferred,
subreq->len - subreq->transferred);
@@ -208,7 +208,7 @@ static void netfs_rreq_do_write_to_cache(struct netfs_io_request *rreq)
continue;
}
- iov_iter_xarray(&iter, WRITE, &rreq->mapping->i_pages,
+ iov_iter_xarray(&iter, ITER_SOURCE, &rreq->mapping->i_pages,
subreq->start, subreq->len);
atomic_inc(&rreq->nr_copy_ops);
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index e861d7bae305..e731c00a9fcb 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -252,7 +252,7 @@ static int fscache_fallback_read_page(struct inode *inode, struct page *page)
bvec[0].bv_page = page;
bvec[0].bv_offset = 0;
bvec[0].bv_len = PAGE_SIZE;
- iov_iter_bvec(&iter, READ, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
+ iov_iter_bvec(&iter, ITER_DEST, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
ret = fscache_begin_read_operation(&cres, cookie);
if (ret < 0)
@@ -282,7 +282,7 @@ static int fscache_fallback_write_page(struct inode *inode, struct page *page,
bvec[0].bv_page = page;
bvec[0].bv_offset = 0;
bvec[0].bv_len = PAGE_SIZE;
- iov_iter_bvec(&iter, WRITE, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
+ iov_iter_bvec(&iter, ITER_SOURCE, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
ret = fscache_begin_write_operation(&cres, cookie);
if (ret < 0)
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 2934ab1d9862..0d49c6bb22eb 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -943,7 +943,7 @@ __be32 nfsd_readv(struct svc_rqst *rqstp, struct svc_fh *fhp,
ssize_t host_err;
trace_nfsd_read_vector(rqstp, fhp, offset, *count);
- iov_iter_kvec(&iter, READ, vec, vlen, *count);
+ iov_iter_kvec(&iter, ITER_DEST, vec, vlen, *count);
host_err = vfs_iter_read(file, &iter, &ppos, 0);
return nfsd_finish_read(rqstp, fhp, file, offset, count, eof, host_err);
}
@@ -1033,7 +1033,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
if (stable && !use_wgather)
flags |= RWF_SYNC;
- iov_iter_kvec(&iter, WRITE, vec, vlen, *cnt);
+ iov_iter_kvec(&iter, ITER_SOURCE, vec, vlen, *cnt);
since = READ_ONCE(file->f_wb_err);
if (verf)
nfsd_copy_write_verifier(verf, nn);
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index e352aa37330c..22152300e60c 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -132,6 +132,13 @@ static struct inode *ntfs_read_mft(struct inode *inode,
if (le16_to_cpu(attr->name_off) + attr->name_len > asize)
goto out;
+ if (attr->non_res) {
+ t64 = le64_to_cpu(attr->nres.alloc_size);
+ if (le64_to_cpu(attr->nres.data_size) > t64 ||
+ le64_to_cpu(attr->nres.valid_size) > t64)
+ goto out;
+ }
+
switch (attr->type) {
case ATTR_STD:
if (attr->non_res ||
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index f660c0dbdb63..785cabd71d67 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -900,7 +900,7 @@ static int o2net_recv_tcp_msg(struct socket *sock, void *data, size_t len)
{
struct kvec vec = { .iov_len = len, .iov_base = data, };
struct msghdr msg = { .msg_flags = MSG_DONTWAIT, };
- iov_iter_kvec(&msg.msg_iter, READ, &vec, 1, len);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &vec, 1, len);
return sock_recvmsg(sock, &msg, MSG_DONTWAIT);
}
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 7a8c0c6e698d..b3bbb5a5787a 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -53,7 +53,7 @@ static int orangefs_writepage_locked(struct page *page,
bv.bv_len = wlen;
bv.bv_offset = off % PAGE_SIZE;
WARN_ON(wlen == 0);
- iov_iter_bvec(&iter, WRITE, &bv, 1, wlen);
+ iov_iter_bvec(&iter, ITER_SOURCE, &bv, 1, wlen);
ret = wait_for_direct_io(ORANGEFS_IO_WRITE, inode, &off, &iter, wlen,
len, wr, NULL, NULL);
@@ -112,7 +112,7 @@ static int orangefs_writepages_work(struct orangefs_writepages *ow,
else
ow->bv[i].bv_offset = 0;
}
- iov_iter_bvec(&iter, WRITE, ow->bv, ow->npages, ow->len);
+ iov_iter_bvec(&iter, ITER_SOURCE, ow->bv, ow->npages, ow->len);
WARN_ON(ow->off >= len);
if (ow->off + ow->len > len)
@@ -270,7 +270,7 @@ static void orangefs_readahead(struct readahead_control *rac)
offset = readahead_pos(rac);
i_pages = &rac->mapping->i_pages;
- iov_iter_xarray(&iter, READ, i_pages, offset, readahead_length(rac));
+ iov_iter_xarray(&iter, ITER_DEST, i_pages, offset, readahead_length(rac));
/* read in the pages. */
if ((ret = wait_for_direct_io(ORANGEFS_IO_READ, inode,
@@ -303,7 +303,7 @@ static int orangefs_read_folio(struct file *file, struct folio *folio)
bv.bv_page = &folio->page;
bv.bv_len = folio_size(folio);
bv.bv_offset = 0;
- iov_iter_bvec(&iter, READ, &bv, 1, folio_size(folio));
+ iov_iter_bvec(&iter, ITER_DEST, &bv, 1, folio_size(folio));
ret = wait_for_direct_io(ORANGEFS_IO_READ, inode, &off, &iter,
folio_size(folio), inode->i_size, NULL, NULL, file);
diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c
index e065a5b9a442..ac9c3ad04016 100644
--- a/fs/overlayfs/export.c
+++ b/fs/overlayfs/export.c
@@ -796,7 +796,7 @@ static struct ovl_fh *ovl_fid_to_fh(struct fid *fid, int buflen, int fh_type)
return ERR_PTR(-ENOMEM);
/* Copy unaligned inner fh into aligned buffer */
- memcpy(&fh->fb, fid, buflen - OVL_FH_WIRE_OFFSET);
+ memcpy(fh->buf, fid, buflen - OVL_FH_WIRE_OFFSET);
return fh;
}
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index eee8f08d32b6..e74a610a117e 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -108,7 +108,7 @@ struct ovl_fh {
u8 padding[3]; /* make sure fb.fid is 32bit aligned */
union {
struct ovl_fb fb;
- u8 buf[0];
+ DECLARE_FLEX_ARRAY(u8, buf);
};
} __packed;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 8a74cdcc9af0..a954305fbc31 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -737,9 +737,7 @@ static int smaps_hugetlb_range(pte_t *pte, unsigned long hmask,
page = pfn_swap_entry_to_page(swpent);
}
if (page) {
- int mapcount = page_mapcount(page);
-
- if (mapcount >= 2)
+ if (page_mapcount(page) >= 2 || hugetlb_pmd_shared(pte))
mss->shared_hugetlb += huge_page_size(hstate_vma(vma));
else
mss->private_hugetlb += huge_page_size(hstate_vma(vma));
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index f2aa86c421f2..5aa527ca6dbe 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -199,7 +199,7 @@ ssize_t __weak elfcorehdr_read(char *buf, size_t count, u64 *ppos)
struct kvec kvec = { .iov_base = buf, .iov_len = count };
struct iov_iter iter;
- iov_iter_kvec(&iter, READ, &kvec, 1, count);
+ iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count);
return read_from_oldmem(&iter, count, ppos, false);
}
@@ -212,7 +212,7 @@ ssize_t __weak elfcorehdr_read_notes(char *buf, size_t count, u64 *ppos)
struct kvec kvec = { .iov_base = buf, .iov_len = count };
struct iov_iter iter;
- iov_iter_kvec(&iter, READ, &kvec, 1, count);
+ iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count);
return read_from_oldmem(&iter, count, ppos,
cc_platform_has(CC_ATTR_MEM_ENCRYPT));
@@ -437,7 +437,7 @@ static vm_fault_t mmap_vmcore_fault(struct vm_fault *vmf)
offset = (loff_t) index << PAGE_SHIFT;
kvec.iov_base = page_address(page);
kvec.iov_len = PAGE_SIZE;
- iov_iter_kvec(&iter, READ, &kvec, 1, PAGE_SIZE);
+ iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, PAGE_SIZE);
rc = __read_vmcore(&iter, &offset);
if (rc < 0) {
diff --git a/fs/read_write.c b/fs/read_write.c
index 24b9668d6377..7a2ff6157eda 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -384,7 +384,7 @@ static ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, lo
init_sync_kiocb(&kiocb, filp);
kiocb.ki_pos = (ppos ? *ppos : 0);
- iov_iter_ubuf(&iter, READ, buf, len);
+ iov_iter_ubuf(&iter, ITER_DEST, buf, len);
ret = call_read_iter(filp, &kiocb, &iter);
BUG_ON(ret == -EIOCBQUEUED);
@@ -424,7 +424,7 @@ ssize_t __kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)
init_sync_kiocb(&kiocb, file);
kiocb.ki_pos = pos ? *pos : 0;
- iov_iter_kvec(&iter, READ, &iov, 1, iov.iov_len);
+ iov_iter_kvec(&iter, ITER_DEST, &iov, 1, iov.iov_len);
ret = file->f_op->read_iter(&kiocb, &iter);
if (ret > 0) {
if (pos)
@@ -486,7 +486,7 @@ static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t
init_sync_kiocb(&kiocb, filp);
kiocb.ki_pos = (ppos ? *ppos : 0);
- iov_iter_ubuf(&iter, WRITE, (void __user *)buf, len);
+ iov_iter_ubuf(&iter, ITER_SOURCE, (void __user *)buf, len);
ret = call_write_iter(filp, &kiocb, &iter);
BUG_ON(ret == -EIOCBQUEUED);
@@ -533,7 +533,7 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t
.iov_len = min_t(size_t, count, MAX_RW_COUNT),
};
struct iov_iter iter;
- iov_iter_kvec(&iter, WRITE, &iov, 1, iov.iov_len);
+ iov_iter_kvec(&iter, ITER_SOURCE, &iov, 1, iov.iov_len);
return __kernel_write_iter(file, &iter, pos);
}
/*
@@ -911,7 +911,7 @@ static ssize_t vfs_readv(struct file *file, const struct iovec __user *vec,
struct iov_iter iter;
ssize_t ret;
- ret = import_iovec(READ, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);
+ ret = import_iovec(ITER_DEST, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);
if (ret >= 0) {
ret = do_iter_read(file, &iter, pos, flags);
kfree(iov);
@@ -928,7 +928,7 @@ static ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,
struct iov_iter iter;
ssize_t ret;
- ret = import_iovec(WRITE, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);
+ ret = import_iovec(ITER_SOURCE, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);
if (ret >= 0) {
file_start_write(file);
ret = do_iter_write(file, &iter, pos, flags);
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 9456a2032224..f5fdaf3b1572 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -156,7 +156,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
ssize_t ret;
init_sync_kiocb(&kiocb, file);
- iov_iter_init(&iter, READ, &iov, 1, size);
+ iov_iter_init(&iter, ITER_DEST, &iov, 1, size);
kiocb.ki_pos = *ppos;
ret = seq_read_iter(&kiocb, &iter);
diff --git a/fs/splice.c b/fs/splice.c
index 0878b852b355..5969b7a1d353 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -303,7 +303,7 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,
struct kiocb kiocb;
int ret;
- iov_iter_pipe(&to, READ, pipe, len);
+ iov_iter_pipe(&to, ITER_DEST, pipe, len);
init_sync_kiocb(&kiocb, in);
kiocb.ki_pos = *ppos;
ret = call_read_iter(in, &kiocb, &to);
@@ -682,7 +682,7 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
n++;
}
- iov_iter_bvec(&from, WRITE, array, n, sd.total_len - left);
+ iov_iter_bvec(&from, ITER_SOURCE, array, n, sd.total_len - left);
ret = vfs_iter_write(out, &from, &sd.pos, 0);
if (ret <= 0)
break;
@@ -1263,9 +1263,9 @@ static int vmsplice_type(struct fd f, int *type)
if (!f.file)
return -EBADF;
if (f.file->f_mode & FMODE_WRITE) {
- *type = WRITE;
+ *type = ITER_SOURCE;
} else if (f.file->f_mode & FMODE_READ) {
- *type = READ;
+ *type = ITER_DEST;
} else {
fdput(f);
return -EBADF;
@@ -1314,7 +1314,7 @@ SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, uiov,
if (!iov_iter_count(&iter))
error = 0;
- else if (iov_iter_rw(&iter) == WRITE)
+ else if (type == ITER_SOURCE)
error = vmsplice_to_pipe(f.file, &iter, flags);
else
error = vmsplice_to_user(f.file, &iter, flags);
diff --git a/fs/squashfs/squashfs_fs.h b/fs/squashfs/squashfs_fs.h
index b3fdc8212c5f..95f8e8901768 100644
--- a/fs/squashfs/squashfs_fs.h
+++ b/fs/squashfs/squashfs_fs.h
@@ -183,7 +183,7 @@ static inline int squashfs_block_size(__le32 raw)
#define SQUASHFS_ID_BLOCK_BYTES(A) (SQUASHFS_ID_BLOCKS(A) *\
sizeof(u64))
/* xattr id lookup table defines */
-#define SQUASHFS_XATTR_BYTES(A) ((A) * sizeof(struct squashfs_xattr_id))
+#define SQUASHFS_XATTR_BYTES(A) (((u64) (A)) * sizeof(struct squashfs_xattr_id))
#define SQUASHFS_XATTR_BLOCK(A) (SQUASHFS_XATTR_BYTES(A) / \
SQUASHFS_METADATA_SIZE)
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index 1e90c2575f9b..0c1ae9789731 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -63,7 +63,7 @@ struct squashfs_sb_info {
long long bytes_used;
unsigned int inodes;
unsigned int fragments;
- int xattr_ids;
+ unsigned int xattr_ids;
unsigned int ids;
bool panic_on_errors;
};
diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h
index d8a270d3ac4c..f1a463d8bfa0 100644
--- a/fs/squashfs/xattr.h
+++ b/fs/squashfs/xattr.h
@@ -10,12 +10,12 @@
#ifdef CONFIG_SQUASHFS_XATTR
extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
- u64 *, int *);
+ u64 *, unsigned int *);
extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
unsigned int *, unsigned long long *);
#else
static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
- u64 start, u64 *xattr_table_start, int *xattr_ids)
+ u64 start, u64 *xattr_table_start, unsigned int *xattr_ids)
{
struct squashfs_xattr_id_table *id_table;
diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c
index 087cab8c78f4..b88d19e9581e 100644
--- a/fs/squashfs/xattr_id.c
+++ b/fs/squashfs/xattr_id.c
@@ -56,7 +56,7 @@ int squashfs_xattr_lookup(struct super_block *sb, unsigned int index,
* Read uncompressed xattr id lookup table indexes from disk into memory
*/
__le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 table_start,
- u64 *xattr_table_start, int *xattr_ids)
+ u64 *xattr_table_start, unsigned int *xattr_ids)
{
struct squashfs_sb_info *msblk = sb->s_fs_info;
unsigned int len, indexes;
@@ -76,7 +76,7 @@ __le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 table_start,
/* Sanity check values */
/* there is always at least one xattr id */
- if (*xattr_ids == 0)
+ if (*xattr_ids <= 0)
return ERR_PTR(-EINVAL);
len = SQUASHFS_XATTR_BLOCK_BYTES(*xattr_ids);
diff --git a/include/kunit/test.h b/include/kunit/test.h
index b1ab6b32216d..ebcdbddf8344 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -299,7 +299,6 @@ static inline int kunit_run_all_tests(void)
*/
#define kunit_test_init_section_suites(__suites...) \
__kunit_test_suites(CONCATENATE(__UNIQUE_ID(array), _probe), \
- CONCATENATE(__UNIQUE_ID(suites), _probe), \
##__suites)
#define kunit_test_init_section_suite(suite) \
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 4aa1dbc7b064..4e1bfee9675d 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -668,7 +668,8 @@ extern struct efi {
#define EFI_RT_SUPPORTED_ALL 0x3fff
-#define EFI_RT_SUPPORTED_TIME_SERVICES 0x000f
+#define EFI_RT_SUPPORTED_TIME_SERVICES 0x0003
+#define EFI_RT_SUPPORTED_WAKEUP_SERVICES 0x000c
#define EFI_RT_SUPPORTED_VARIABLE_SERVICES 0x0070
extern struct mm_struct efi_mm;
diff --git a/include/linux/highmem-internal.h b/include/linux/highmem-internal.h
index 034b1106d022..e098f38422af 100644
--- a/include/linux/highmem-internal.h
+++ b/include/linux/highmem-internal.h
@@ -200,7 +200,7 @@ static inline void *kmap_local_pfn(unsigned long pfn)
static inline void __kunmap_local(const void *addr)
{
#ifdef ARCH_HAS_FLUSH_ON_KUNMAP
- kunmap_flush_on_unmap(addr);
+ kunmap_flush_on_unmap(PTR_ALIGN_DOWN(addr, PAGE_SIZE));
#endif
}
@@ -227,7 +227,7 @@ static inline void *kmap_atomic_pfn(unsigned long pfn)
static inline void __kunmap_atomic(const void *addr)
{
#ifdef ARCH_HAS_FLUSH_ON_KUNMAP
- kunmap_flush_on_unmap(addr);
+ kunmap_flush_on_unmap(PTR_ALIGN_DOWN(addr, PAGE_SIZE));
#endif
pagefault_enable();
if (IS_ENABLED(CONFIG_PREEMPT_RT))
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 8b4f93e84868..770650d1ff84 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -7,6 +7,7 @@
#include <linux/fs.h>
#include <linux/hugetlb_inline.h>
#include <linux/cgroup.h>
+#include <linux/page_ref.h>
#include <linux/list.h>
#include <linux/kref.h>
#include <linux/pgtable.h>
@@ -1182,6 +1183,18 @@ static inline __init void hugetlb_cma_reserve(int order)
}
#endif
+#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+ return page_count(virt_to_page(pte)) > 1;
+}
+#else
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+ return false;
+}
+#endif
+
bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr);
#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index e1644a24009c..e03976302956 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1655,10 +1655,13 @@ void mem_cgroup_track_foreign_dirty_slowpath(struct folio *folio,
static inline void mem_cgroup_track_foreign_dirty(struct folio *folio,
struct bdi_writeback *wb)
{
+ struct mem_cgroup *memcg;
+
if (mem_cgroup_disabled())
return;
- if (unlikely(&folio_memcg(folio)->css != wb->memcg_css))
+ memcg = folio_memcg(folio);
+ if (unlikely(memcg && &memcg->css != wb->memcg_css))
mem_cgroup_track_foreign_dirty_slowpath(folio, wb);
}
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 50caa117cb62..bb15c9234e21 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -70,7 +70,6 @@ struct nvmem_keepout {
* @word_size: Minimum read/write access granularity.
* @stride: Minimum read/write access stride.
* @priv: User context passed to read/write callbacks.
- * @wp-gpio: Write protect pin
* @ignore_wp: Write Protect pin is managed by the provider.
*
* Note: A default "nvmem<id>" name will be assigned to the device if
@@ -85,7 +84,6 @@ struct nvmem_config {
const char *name;
int id;
struct module *owner;
- struct gpio_desc *wp_gpio;
const struct nvmem_cell_info *cells;
int ncells;
const struct nvmem_keepout *keepout;
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 2e3134b14ffd..87fc3d0dda98 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -29,6 +29,9 @@ enum iter_type {
ITER_UBUF,
};
+#define ITER_SOURCE 1 // == WRITE
+#define ITER_DEST 0 // == READ
+
struct iov_iter_state {
size_t iov_offset;
size_t count;
diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h
index 72299f261b25..43db6e47503c 100644
--- a/include/linux/util_macros.h
+++ b/include/linux/util_macros.h
@@ -38,4 +38,16 @@
*/
#define find_closest_descending(x, a, as) __find_closest(x, a, as, >=)
+/**
+ * is_insidevar - check if the @ptr points inside the @var memory range.
+ * @ptr: the pointer to a memory address.
+ * @var: the variable which address and size identify the memory range.
+ *
+ * Evaluates to true if the address in @ptr lies within the memory
+ * range allocated to @var.
+ */
+#define is_insidevar(ptr, var) \
+ ((uintptr_t)(ptr) >= (uintptr_t)(var) && \
+ (uintptr_t)(ptr) < (uintptr_t)(var) + sizeof(var))
+
#endif
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 654cc3918c94..7fb3cb787df4 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -422,6 +422,8 @@ extern int iscsi_host_get_max_scsi_cmds(struct Scsi_Host *shost,
extern struct iscsi_cls_session *
iscsi_session_setup(struct iscsi_transport *, struct Scsi_Host *shost,
uint16_t, int, int, uint32_t, unsigned int);
+void iscsi_session_remove(struct iscsi_cls_session *cls_session);
+void iscsi_session_free(struct iscsi_cls_session *cls_session);
extern void iscsi_session_teardown(struct iscsi_cls_session *);
extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
diff --git a/io_uring/net.c b/io_uring/net.c
index 9046e269e5a5..520a73b5a448 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -364,7 +364,7 @@ int io_send(struct io_kiocb *req, unsigned int issue_flags)
if (unlikely(!sock))
return -ENOTSOCK;
- ret = import_single_range(WRITE, sr->buf, sr->len, &iov, &msg.msg_iter);
+ ret = import_single_range(ITER_SOURCE, sr->buf, sr->len, &iov, &msg.msg_iter);
if (unlikely(ret))
return ret;
@@ -450,7 +450,7 @@ static int __io_recvmsg_copy_hdr(struct io_kiocb *req,
}
} else {
iomsg->free_iov = iomsg->fast_iov;
- ret = __import_iovec(READ, msg.msg_iov, msg.msg_iovlen, UIO_FASTIOV,
+ ret = __import_iovec(ITER_DEST, msg.msg_iov, msg.msg_iovlen, UIO_FASTIOV,
&iomsg->free_iov, &iomsg->msg.msg_iter,
false);
if (ret > 0)
@@ -503,7 +503,7 @@ static int __io_compat_recvmsg_copy_hdr(struct io_kiocb *req,
}
} else {
iomsg->free_iov = iomsg->fast_iov;
- ret = __import_iovec(READ, (struct iovec __user *)uiov, msg.msg_iovlen,
+ ret = __import_iovec(ITER_DEST, (struct iovec __user *)uiov, msg.msg_iovlen,
UIO_FASTIOV, &iomsg->free_iov,
&iomsg->msg.msg_iter, true);
if (ret < 0)
@@ -763,7 +763,7 @@ int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags)
kmsg->fast_iov[0].iov_base = buf;
kmsg->fast_iov[0].iov_len = len;
- iov_iter_init(&kmsg->msg.msg_iter, READ, kmsg->fast_iov, 1,
+ iov_iter_init(&kmsg->msg.msg_iter, ITER_DEST, kmsg->fast_iov, 1,
len);
}
@@ -857,7 +857,7 @@ int io_recv(struct io_kiocb *req, unsigned int issue_flags)
sr->buf = buf;
}
- ret = import_single_range(READ, sr->buf, len, &iov, &msg.msg_iter);
+ ret = import_single_range(ITER_DEST, sr->buf, len, &iov, &msg.msg_iter);
if (unlikely(ret))
goto out_free;
@@ -1097,13 +1097,13 @@ int io_send_zc(struct io_kiocb *req, unsigned int issue_flags)
return io_setup_async_addr(req, &__address, issue_flags);
if (zc->flags & IORING_RECVSEND_FIXED_BUF) {
- ret = io_import_fixed(WRITE, &msg.msg_iter, req->imu,
+ ret = io_import_fixed(ITER_SOURCE, &msg.msg_iter, req->imu,
(u64)(uintptr_t)zc->buf, zc->len);
if (unlikely(ret))
return ret;
msg.sg_from_iter = io_sg_from_iter;
} else {
- ret = import_single_range(WRITE, zc->buf, zc->len, &iov,
+ ret = import_single_range(ITER_SOURCE, zc->buf, zc->len, &iov,
&msg.msg_iter);
if (unlikely(ret))
return ret;
diff --git a/io_uring/rw.c b/io_uring/rw.c
index 6223472095d2..0218fae12edd 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -548,12 +548,12 @@ static inline int io_rw_prep_async(struct io_kiocb *req, int rw)
int io_readv_prep_async(struct io_kiocb *req)
{
- return io_rw_prep_async(req, READ);
+ return io_rw_prep_async(req, ITER_DEST);
}
int io_writev_prep_async(struct io_kiocb *req)
{
- return io_rw_prep_async(req, WRITE);
+ return io_rw_prep_async(req, ITER_SOURCE);
}
/*
@@ -704,7 +704,7 @@ int io_read(struct io_kiocb *req, unsigned int issue_flags)
loff_t *ppos;
if (!req_has_async_data(req)) {
- ret = io_import_iovec(READ, req, &iovec, s, issue_flags);
+ ret = io_import_iovec(ITER_DEST, req, &iovec, s, issue_flags);
if (unlikely(ret < 0))
return ret;
} else {
@@ -716,7 +716,7 @@ int io_read(struct io_kiocb *req, unsigned int issue_flags)
* buffers, as we dropped the selected one before retry.
*/
if (io_do_buffer_select(req)) {
- ret = io_import_iovec(READ, req, &iovec, s, issue_flags);
+ ret = io_import_iovec(ITER_DEST, req, &iovec, s, issue_flags);
if (unlikely(ret < 0))
return ret;
}
@@ -851,7 +851,7 @@ int io_write(struct io_kiocb *req, unsigned int issue_flags)
loff_t *ppos;
if (!req_has_async_data(req)) {
- ret = io_import_iovec(WRITE, req, &iovec, s, issue_flags);
+ ret = io_import_iovec(ITER_SOURCE, req, &iovec, s, issue_flags);
if (unlikely(ret < 0))
return ret;
} else {
diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c
index d6c9b3705f24..e6a76da4bca7 100644
--- a/kernel/bpf/bpf_lsm.c
+++ b/kernel/bpf/bpf_lsm.c
@@ -51,7 +51,6 @@ BTF_SET_END(bpf_lsm_current_hooks)
*/
BTF_SET_START(bpf_lsm_locked_sockopt_hooks)
#ifdef CONFIG_SECURITY_NETWORK
-BTF_ID(func, bpf_lsm_socket_sock_rcv_skb)
BTF_ID(func, bpf_lsm_sock_graft)
BTF_ID(func, bpf_lsm_inet_csk_clone)
BTF_ID(func, bpf_lsm_inet_conn_established)
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index efdbba2a0230..a7c2f0c3fc19 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -7607,9 +7607,9 @@ int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dtors, u32 add_c
sort(tab->dtors, tab->cnt, sizeof(tab->dtors[0]), btf_id_cmp_func, NULL);
- return 0;
end:
- btf_free_dtor_kfunc_tab(btf);
+ if (ret)
+ btf_free_dtor_kfunc_tab(btf);
btf_put(btf);
return ret;
}
diff --git a/kernel/bpf/memalloc.c b/kernel/bpf/memalloc.c
index 4901fa1048cd..6187c28d266f 100644
--- a/kernel/bpf/memalloc.c
+++ b/kernel/bpf/memalloc.c
@@ -71,7 +71,7 @@ static int bpf_mem_cache_idx(size_t size)
if (size <= 192)
return size_index[(size - 1) / 8] - 1;
- return fls(size - 1) - 1;
+ return fls(size - 1) - 2;
}
#define NUM_CACHES 11
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 398a0008aff7..ea21e008bf85 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -2664,6 +2664,12 @@ static int backtrack_insn(struct bpf_verifier_env *env, int idx,
if (opcode == BPF_CALL) {
if (insn->src_reg == BPF_PSEUDO_CALL)
return -ENOTSUPP;
+ /* kfunc with imm==0 is invalid and fixup_kfunc_call will
+ * catch this error later. Make backtracking conservative
+ * with ENOTSUPP.
+ */
+ if (insn->src_reg == BPF_PSEUDO_KFUNC_CALL && insn->imm == 0)
+ return -ENOTSUPP;
/* regular helper call sets R0 */
*reg_mask &= ~1;
if (*reg_mask & 0x3f) {
@@ -3011,13 +3017,24 @@ static bool __is_pointer_value(bool allow_ptr_leaks,
return reg->type != SCALAR_VALUE;
}
+/* Copy src state preserving dst->parent and dst->live fields */
+static void copy_register_state(struct bpf_reg_state *dst, const struct bpf_reg_state *src)
+{
+ struct bpf_reg_state *parent = dst->parent;
+ enum bpf_reg_liveness live = dst->live;
+
+ *dst = *src;
+ dst->parent = parent;
+ dst->live = live;
+}
+
static void save_register_state(struct bpf_func_state *state,
int spi, struct bpf_reg_state *reg,
int size)
{
int i;
- state->stack[spi].spilled_ptr = *reg;
+ copy_register_state(&state->stack[spi].spilled_ptr, reg);
if (size == BPF_REG_SIZE)
state->stack[spi].spilled_ptr.live |= REG_LIVE_WRITTEN;
@@ -3345,7 +3362,7 @@ static int check_stack_read_fixed_off(struct bpf_verifier_env *env,
*/
s32 subreg_def = state->regs[dst_regno].subreg_def;
- state->regs[dst_regno] = *reg;
+ copy_register_state(&state->regs[dst_regno], reg);
state->regs[dst_regno].subreg_def = subreg_def;
} else {
for (i = 0; i < size; i++) {
@@ -3366,7 +3383,7 @@ static int check_stack_read_fixed_off(struct bpf_verifier_env *env,
if (dst_regno >= 0) {
/* restore register state from stack */
- state->regs[dst_regno] = *reg;
+ copy_register_state(&state->regs[dst_regno], reg);
/* mark reg as written since spilled pointer state likely
* has its liveness marks cleared by is_state_visited()
* which resets stack/reg liveness for state transitions
@@ -8085,7 +8102,7 @@ static int sanitize_ptr_alu(struct bpf_verifier_env *env,
*/
if (!ptr_is_dst_reg) {
tmp = *dst_reg;
- *dst_reg = *ptr_reg;
+ copy_register_state(dst_reg, ptr_reg);
}
ret = sanitize_speculative_path(env, NULL, env->insn_idx + 1,
env->insn_idx);
@@ -9338,7 +9355,7 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
* to propagate min/max range.
*/
src_reg->id = ++env->id_gen;
- *dst_reg = *src_reg;
+ copy_register_state(dst_reg, src_reg);
dst_reg->live |= REG_LIVE_WRITTEN;
dst_reg->subreg_def = DEF_NOT_SUBREG;
} else {
@@ -9349,7 +9366,7 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
insn->src_reg);
return -EACCES;
} else if (src_reg->type == SCALAR_VALUE) {
- *dst_reg = *src_reg;
+ copy_register_state(dst_reg, src_reg);
/* Make sure ID is cleared otherwise
* dst_reg min/max could be incorrectly
* propagated into src_reg by find_equal_scalars()
@@ -10145,7 +10162,7 @@ static void find_equal_scalars(struct bpf_verifier_state *vstate,
bpf_for_each_reg_in_vstate(vstate, state, reg, ({
if (reg->type == SCALAR_VALUE && reg->id == known_reg->id)
- *reg = *known_reg;
+ copy_register_state(reg, known_reg);
}));
}
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index b474289c15b8..a753adcbc7c7 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -1342,7 +1342,7 @@ static int update_parent_subparts_cpumask(struct cpuset *cs, int cmd,
* A parent can be left with no CPU as long as there is no
* task directly associated with the parent partition.
*/
- if (!cpumask_intersects(cs->cpus_allowed, parent->effective_cpus) &&
+ if (cpumask_subset(parent->effective_cpus, cs->cpus_allowed) &&
partition_is_populated(parent, cs))
return PERR_NOCPUS;
@@ -2320,6 +2320,7 @@ static int update_prstate(struct cpuset *cs, int new_prs)
new_prs = -new_prs;
spin_lock_irq(&callback_lock);
cs->partition_root_state = new_prs;
+ WRITE_ONCE(cs->prs_err, err);
spin_unlock_irq(&callback_lock);
/*
* Update child cpusets, if present.
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 8fe1da9614ee..e2096b51c004 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1915,7 +1915,7 @@ static void debugfs_add_domain_dir(struct irq_domain *d)
static void debugfs_remove_domain_dir(struct irq_domain *d)
{
- debugfs_remove(debugfs_lookup(d->name, domain_dir));
+ debugfs_lookup_and_remove(d->name, domain_dir);
}
void __init irq_domain_debugfs_init(struct dentry *root)
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index eb8c117cc8b6..9d4163abadf4 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -832,6 +832,7 @@ static void do_bpf_send_signal(struct irq_work *entry)
work = container_of(entry, struct send_signal_irq_work, irq_work);
group_send_sig_info(work->sig, SEND_SIG_PRIV, work->task, work->type);
+ put_task_struct(work->task);
}
static int bpf_send_signal_common(u32 sig, enum pid_type type)
@@ -866,7 +867,7 @@ static int bpf_send_signal_common(u32 sig, enum pid_type type)
* to the irq_work. The current task may change when queued
* irq works get executed.
*/
- work->task = current;
+ work->task = get_task_struct(current);
work->sig = sig;
work->type = type;
irq_work_queue(&work->irq_work);
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c
index 9cb53182bb31..908e8a13c675 100644
--- a/kernel/trace/trace_events_user.c
+++ b/kernel/trace/trace_events_user.c
@@ -1489,7 +1489,7 @@ static ssize_t user_events_write(struct file *file, const char __user *ubuf,
if (unlikely(*ppos != 0))
return -EFAULT;
- if (unlikely(import_single_range(WRITE, (char __user *)ubuf,
+ if (unlikely(import_single_range(ITER_SOURCE, (char __user *)ubuf,
count, &iov, &i)))
return -EFAULT;
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index fe21bf276d91..69cb44b035ec 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -665,12 +665,13 @@ static inline unsigned long mte_pivot(const struct maple_enode *mn,
unsigned char piv)
{
struct maple_node *node = mte_to_node(mn);
+ enum maple_type type = mte_node_type(mn);
- if (piv >= mt_pivots[piv]) {
+ if (piv >= mt_pivots[type]) {
WARN_ON(1);
return 0;
}
- switch (mte_node_type(mn)) {
+ switch (type) {
case maple_arange_64:
return node->ma64.pivot[piv];
case maple_range_64:
@@ -4882,7 +4883,7 @@ static bool mas_rev_awalk(struct ma_state *mas, unsigned long size)
unsigned long *pivots, *gaps;
void __rcu **slots;
unsigned long gap = 0;
- unsigned long max, min, index;
+ unsigned long max, min;
unsigned char offset;
if (unlikely(mas_is_err(mas)))
@@ -4904,8 +4905,7 @@ static bool mas_rev_awalk(struct ma_state *mas, unsigned long size)
min = mas_safe_min(mas, pivots, --offset);
max = mas_safe_pivot(mas, pivots, offset, type);
- index = mas->index;
- while (index <= max) {
+ while (mas->index <= max) {
gap = 0;
if (gaps)
gap = gaps[offset];
@@ -4936,10 +4936,8 @@ static bool mas_rev_awalk(struct ma_state *mas, unsigned long size)
min = mas_safe_min(mas, pivots, offset);
}
- if (unlikely(index > max)) {
- mas_set_err(mas, -EBUSY);
- return false;
- }
+ if (unlikely((mas->index > max) || (size - 1 > max - mas->index)))
+ goto no_space;
if (unlikely(ma_is_leaf(type))) {
mas->offset = offset;
@@ -4956,9 +4954,11 @@ static bool mas_rev_awalk(struct ma_state *mas, unsigned long size)
return false;
ascend:
- if (mte_is_root(mas->node))
- mas_set_err(mas, -EBUSY);
+ if (!mte_is_root(mas->node))
+ return false;
+no_space:
+ mas_set_err(mas, -EBUSY);
return false;
}
diff --git a/lib/test_maple_tree.c b/lib/test_maple_tree.c
index 497fc93ccf9e..ec847bf4dcb4 100644
--- a/lib/test_maple_tree.c
+++ b/lib/test_maple_tree.c
@@ -2517,6 +2517,91 @@ static noinline void check_bnode_min_spanning(struct maple_tree *mt)
mt_set_non_kernel(0);
}
+static noinline void check_empty_area_window(struct maple_tree *mt)
+{
+ unsigned long i, nr_entries = 20;
+ MA_STATE(mas, mt, 0, 0);
+
+ for (i = 1; i <= nr_entries; i++)
+ mtree_store_range(mt, i*10, i*10 + 9,
+ xa_mk_value(i), GFP_KERNEL);
+
+ /* Create another hole besides the one at 0 */
+ mtree_store_range(mt, 160, 169, NULL, GFP_KERNEL);
+
+ /* Check lower bounds that don't fit */
+ rcu_read_lock();
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 5, 90, 10) != -EBUSY);
+
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 6, 90, 5) != -EBUSY);
+
+ /* Check lower bound that does fit */
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 5, 90, 5) != 0);
+ MT_BUG_ON(mt, mas.index != 5);
+ MT_BUG_ON(mt, mas.last != 9);
+ rcu_read_unlock();
+
+ /* Check one gap that doesn't fit and one that does */
+ rcu_read_lock();
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 5, 217, 9) != 0);
+ MT_BUG_ON(mt, mas.index != 161);
+ MT_BUG_ON(mt, mas.last != 169);
+
+ /* Check one gap that does fit above the min */
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 100, 218, 3) != 0);
+ MT_BUG_ON(mt, mas.index != 216);
+ MT_BUG_ON(mt, mas.last != 218);
+
+ /* Check size that doesn't fit any gap */
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 100, 218, 16) != -EBUSY);
+
+ /*
+ * Check size that doesn't fit the lower end of the window but
+ * does fit the gap
+ */
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 167, 200, 4) != -EBUSY);
+
+ /*
+ * Check size that doesn't fit the upper end of the window but
+ * does fit the gap
+ */
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area_rev(&mas, 100, 162, 4) != -EBUSY);
+
+ /* Check mas_empty_area forward */
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area(&mas, 0, 100, 9) != 0);
+ MT_BUG_ON(mt, mas.index != 0);
+ MT_BUG_ON(mt, mas.last != 8);
+
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area(&mas, 0, 100, 4) != 0);
+ MT_BUG_ON(mt, mas.index != 0);
+ MT_BUG_ON(mt, mas.last != 3);
+
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area(&mas, 0, 100, 11) != -EBUSY);
+
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area(&mas, 5, 100, 6) != -EBUSY);
+
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area(&mas, 0, 8, 10) != -EBUSY);
+
+ mas_reset(&mas);
+ mas_empty_area(&mas, 100, 165, 3);
+
+ mas_reset(&mas);
+ MT_BUG_ON(mt, mas_empty_area(&mas, 100, 163, 6) != -EBUSY);
+ rcu_read_unlock();
+}
+
static DEFINE_MTREE(tree);
static int maple_tree_seed(void)
{
@@ -2765,6 +2850,10 @@ static int maple_tree_seed(void)
check_bnode_min_spanning(&tree);
mtree_destroy(&tree);
+ mt_init_flags(&tree, MT_FLAGS_ALLOC_RANGE);
+ check_empty_area_window(&tree);
+ mtree_destroy(&tree);
+
#if defined(BENCH)
skip:
#endif
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index c982b250aa31..e0c7bbd69b33 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -847,6 +847,10 @@ static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address,
return SCAN_SUCCEED;
}
+/*
+ * See pmd_trans_unstable() for how the result may change out from
+ * underneath us, even if we hold mmap_lock in read.
+ */
static int find_pmd_or_thp_or_none(struct mm_struct *mm,
unsigned long address,
pmd_t **pmd)
@@ -865,8 +869,12 @@ static int find_pmd_or_thp_or_none(struct mm_struct *mm,
#endif
if (pmd_none(pmde))
return SCAN_PMD_NONE;
+ if (!pmd_present(pmde))
+ return SCAN_PMD_NULL;
if (pmd_trans_huge(pmde))
return SCAN_PMD_MAPPED;
+ if (pmd_devmap(pmde))
+ return SCAN_PMD_NULL;
if (pmd_bad(pmde))
return SCAN_PMD_NULL;
return SCAN_SUCCEED;
@@ -1649,7 +1657,7 @@ static int retract_page_tables(struct address_space *mapping, pgoff_t pgoff,
* has higher cost too. It would also probably require locking
* the anon_vma.
*/
- if (vma->anon_vma) {
+ if (READ_ONCE(vma->anon_vma)) {
result = SCAN_PAGE_ANON;
goto next;
}
@@ -1677,6 +1685,18 @@ static int retract_page_tables(struct address_space *mapping, pgoff_t pgoff,
result = SCAN_PTE_MAPPED_HUGEPAGE;
if ((cc->is_khugepaged || is_target) &&
mmap_write_trylock(mm)) {
+ /*
+ * Re-check whether we have an ->anon_vma, because
+ * collapse_and_free_pmd() requires that either no
+ * ->anon_vma exists or the anon_vma is locked.
+ * We already checked ->anon_vma above, but that check
+ * is racy because ->anon_vma can be populated under the
+ * mmap lock in read mode.
+ */
+ if (vma->anon_vma) {
+ result = SCAN_PAGE_ANON;
+ goto unlock_next;
+ }
/*
* When a vma is registered with uffd-wp, we can't
* recycle the pmd pgtable because there can be pte
diff --git a/mm/madvise.c b/mm/madvise.c
index b913ba6efc10..d03e149ffe6e 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1459,7 +1459,7 @@ SYSCALL_DEFINE5(process_madvise, int, pidfd, const struct iovec __user *, vec,
goto out;
}
- ret = import_iovec(READ, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);
+ ret = import_iovec(ITER_DEST, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);
if (ret < 0)
goto out;
diff --git a/mm/memory.c b/mm/memory.c
index 8c8420934d60..f6f93e5b6b02 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -875,12 +875,8 @@ copy_nonpresent_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
return -EBUSY;
return -ENOENT;
} else if (is_pte_marker_entry(entry)) {
- /*
- * We're copying the pgtable should only because dst_vma has
- * uffd-wp enabled, do sanity check.
- */
- WARN_ON_ONCE(!userfaultfd_wp(dst_vma));
- set_pte_at(dst_mm, addr, dst_pte, pte);
+ if (userfaultfd_wp(dst_vma))
+ set_pte_at(dst_mm, addr, dst_pte, pte);
return 0;
}
if (!userfaultfd_wp(dst_vma))
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 02c8a712282f..f940395667c8 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -600,7 +600,8 @@ static int queue_pages_hugetlb(pte_t *pte, unsigned long hmask,
/* With MPOL_MF_MOVE, we migrate only unshared hugepage. */
if (flags & (MPOL_MF_MOVE_ALL) ||
- (flags & MPOL_MF_MOVE && page_mapcount(page) == 1)) {
+ (flags & MPOL_MF_MOVE && page_mapcount(page) == 1 &&
+ !hugetlb_pmd_shared(pte))) {
if (isolate_hugetlb(page, qp->pagelist) &&
(flags & MPOL_MF_STRICT))
/*
diff --git a/mm/mremap.c b/mm/mremap.c
index fe587c5d6591..930f65c315c0 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -1027,16 +1027,29 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
}
/*
- * Function vma_merge() is called on the extension we are adding to
- * the already existing vma, vma_merge() will merge this extension with
- * the already existing vma (expand operation itself) and possibly also
- * with the next vma if it becomes adjacent to the expanded vma and
- * otherwise compatible.
+ * Function vma_merge() is called on the extension we
+ * are adding to the already existing vma, vma_merge()
+ * will merge this extension with the already existing
+ * vma (expand operation itself) and possibly also with
+ * the next vma if it becomes adjacent to the expanded
+ * vma and otherwise compatible.
+ *
+ * However, vma_merge() can currently fail due to
+ * is_mergeable_vma() check for vm_ops->close (see the
+ * comment there). Yet this should not prevent vma
+ * expanding, so perform a simple expand for such vma.
+ * Ideally the check for close op should be only done
+ * when a vma would be actually removed due to a merge.
*/
- vma = vma_merge(mm, vma, extension_start, extension_end,
+ if (!vma->vm_ops || !vma->vm_ops->close) {
+ vma = vma_merge(mm, vma, extension_start, extension_end,
vma->vm_flags, vma->anon_vma, vma->vm_file,
extension_pgoff, vma_policy(vma),
vma->vm_userfaultfd_ctx, anon_vma_name(vma));
+ } else if (vma_adjust(vma, vma->vm_start, addr + new_len,
+ vma->vm_pgoff, NULL)) {
+ vma = NULL;
+ }
if (!vma) {
vm_unacct_memory(pages);
ret = -ENOMEM;
diff --git a/mm/page_io.c b/mm/page_io.c
index 2af34dd8fa4d..3a5f921b932e 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -376,7 +376,7 @@ void swap_write_unplug(struct swap_iocb *sio)
struct address_space *mapping = sio->iocb.ki_filp->f_mapping;
int ret;
- iov_iter_bvec(&from, WRITE, sio->bvec, sio->pages, sio->len);
+ iov_iter_bvec(&from, ITER_SOURCE, sio->bvec, sio->pages, sio->len);
ret = mapping->a_ops->swap_rw(&sio->iocb, &from);
if (ret != -EIOCBQUEUED)
sio_write_complete(&sio->iocb, ret);
@@ -530,7 +530,7 @@ void __swap_read_unplug(struct swap_iocb *sio)
struct address_space *mapping = sio->iocb.ki_filp->f_mapping;
int ret;
- iov_iter_bvec(&from, READ, sio->bvec, sio->pages, sio->len);
+ iov_iter_bvec(&from, ITER_DEST, sio->bvec, sio->pages, sio->len);
ret = mapping->a_ops->swap_rw(&sio->iocb, &from);
if (ret != -EIOCBQUEUED)
sio_read_complete(&sio->iocb, ret);
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index 4bcc11958089..78dfaf9e8990 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -263,7 +263,7 @@ static ssize_t process_vm_rw(pid_t pid,
struct iovec *iov_r;
struct iov_iter iter;
ssize_t rc;
- int dir = vm_write ? WRITE : READ;
+ int dir = vm_write ? ITER_SOURCE : ITER_DEST;
if (flags != 0)
return -EINVAL;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 72e481aacd5d..b72908df52ac 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1101,6 +1101,7 @@ int get_swap_pages(int n_goal, swp_entry_t swp_entries[], int entry_size)
goto check_out;
pr_debug("scan_swap_map of si %d failed to find offset\n",
si->type);
+ cond_resched();
spin_lock(&swap_avail_lock);
nextsi:
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8fcc5fa768c0..96eb9da372cd 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3290,13 +3290,16 @@ void lru_gen_migrate_mm(struct mm_struct *mm)
if (mem_cgroup_disabled())
return;
+ /* migration can happen before addition */
+ if (!mm->lru_gen.memcg)
+ return;
+
rcu_read_lock();
memcg = mem_cgroup_from_task(task);
rcu_read_unlock();
if (memcg == mm->lru_gen.memcg)
return;
- VM_WARN_ON_ONCE(!mm->lru_gen.memcg);
VM_WARN_ON_ONCE(list_empty(&mm->lru_gen.list));
lru_gen_del_mm(mm);
diff --git a/net/9p/client.c b/net/9p/client.c
index b5aa25f82b78..554a4b11f4fe 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -2049,7 +2049,7 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset)
struct kvec kv = {.iov_base = data, .iov_len = count};
struct iov_iter to;
- iov_iter_kvec(&to, READ, &kv, 1, count);
+ iov_iter_kvec(&to, ITER_DEST, &kv, 1, count);
p9_debug(P9_DEBUG_9P, ">>> TREADDIR fid %d offset %llu count %d\n",
fid->fid, offset, count);
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index c57d643afb10..4eb1b3ced0d2 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -441,7 +441,7 @@ static int send_pkt(struct l2cap_chan *chan, struct sk_buff *skb,
iv.iov_len = skb->len;
memset(&msg, 0, sizeof(msg));
- iov_iter_kvec(&msg.msg_iter, WRITE, &iv, 1, skb->len);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, &iv, 1, skb->len);
err = l2cap_chan_send(chan, &msg, skb->len);
if (err > 0) {
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 1fcc482397c3..e7adb8a98cf9 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -56,7 +56,7 @@ static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, void *dat
memset(&msg, 0, sizeof(msg));
- iov_iter_kvec(&msg.msg_iter, WRITE, &iv, 1, total_len);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, &iv, 1, total_len);
l2cap_chan_send(chan, &msg, total_len);
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 11f853d0500f..70663229b3cc 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -605,7 +605,7 @@ static void smp_send_cmd(struct l2cap_conn *conn, u8 code, u16 len, void *data)
memset(&msg, 0, sizeof(msg));
- iov_iter_kvec(&msg.msg_iter, WRITE, iv, 2, 1 + len);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, iv, 2, 1 + len);
l2cap_chan_send(chan, &msg, 1 + len);
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index f20f4373ff40..9554abcfd5b4 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -871,6 +871,7 @@ static unsigned int ip_sabotage_in(void *priv,
if (nf_bridge && !nf_bridge->in_prerouting &&
!netif_is_l3_master(skb->dev) &&
!netif_is_l3_slave(skb->dev)) {
+ nf_bridge_info_free(skb);
state->okfn(state->net, state->sk, skb);
return NF_STOLEN;
}
diff --git a/net/can/isotp.c b/net/can/isotp.c
index 608f8c24ae46..fc81d77724a1 100644
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -140,7 +140,7 @@ struct isotp_sock {
canid_t rxid;
ktime_t tx_gap;
ktime_t lastrxcf_tstamp;
- struct hrtimer rxtimer, txtimer;
+ struct hrtimer rxtimer, txtimer, txfrtimer;
struct can_isotp_options opt;
struct can_isotp_fc_options rxfc, txfc;
struct can_isotp_ll_options ll;
@@ -871,7 +871,7 @@ static void isotp_rcv_echo(struct sk_buff *skb, void *data)
}
/* start timer to send next consecutive frame with correct delay */
- hrtimer_start(&so->txtimer, so->tx_gap, HRTIMER_MODE_REL_SOFT);
+ hrtimer_start(&so->txfrtimer, so->tx_gap, HRTIMER_MODE_REL_SOFT);
}
static enum hrtimer_restart isotp_tx_timer_handler(struct hrtimer *hrtimer)
@@ -879,49 +879,39 @@ static enum hrtimer_restart isotp_tx_timer_handler(struct hrtimer *hrtimer)
struct isotp_sock *so = container_of(hrtimer, struct isotp_sock,
txtimer);
struct sock *sk = &so->sk;
- enum hrtimer_restart restart = HRTIMER_NORESTART;
- switch (so->tx.state) {
- case ISOTP_SENDING:
-
- /* cfecho should be consumed by isotp_rcv_echo() here */
- if (!so->cfecho) {
- /* start timeout for unlikely lost echo skb */
- hrtimer_set_expires(&so->txtimer,
- ktime_add(ktime_get(),
- ktime_set(ISOTP_ECHO_TIMEOUT, 0)));
- restart = HRTIMER_RESTART;
+ /* don't handle timeouts in IDLE state */
+ if (so->tx.state == ISOTP_IDLE)
+ return HRTIMER_NORESTART;
- /* push out the next consecutive frame */
- isotp_send_cframe(so);
- break;
- }
+ /* we did not get any flow control or echo frame in time */
- /* cfecho has not been cleared in isotp_rcv_echo() */
- pr_notice_once("can-isotp: cfecho %08X timeout\n", so->cfecho);
- fallthrough;
+ /* report 'communication error on send' */
+ sk->sk_err = ECOMM;
+ if (!sock_flag(sk, SOCK_DEAD))
+ sk_error_report(sk);
- case ISOTP_WAIT_FC:
- case ISOTP_WAIT_FIRST_FC:
+ /* reset tx state */
+ so->tx.state = ISOTP_IDLE;
+ wake_up_interruptible(&so->wait);
- /* we did not get any flow control frame in time */
+ return HRTIMER_NORESTART;
+}
- /* report 'communication error on send' */
- sk->sk_err = ECOMM;
- if (!sock_flag(sk, SOCK_DEAD))
- sk_error_report(sk);
+static enum hrtimer_restart isotp_txfr_timer_handler(struct hrtimer *hrtimer)
+{
+ struct isotp_sock *so = container_of(hrtimer, struct isotp_sock,
+ txfrtimer);
- /* reset tx state */
- so->tx.state = ISOTP_IDLE;
- wake_up_interruptible(&so->wait);
- break;
+ /* start echo timeout handling and cover below protocol error */
+ hrtimer_start(&so->txtimer, ktime_set(ISOTP_ECHO_TIMEOUT, 0),
+ HRTIMER_MODE_REL_SOFT);
- default:
- WARN_ONCE(1, "can-isotp: tx timer state %08X cfecho %08X\n",
- so->tx.state, so->cfecho);
- }
+ /* cfecho should be consumed by isotp_rcv_echo() here */
+ if (so->tx.state == ISOTP_SENDING && !so->cfecho)
+ isotp_send_cframe(so);
- return restart;
+ return HRTIMER_NORESTART;
}
static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
@@ -1162,6 +1152,10 @@ static int isotp_release(struct socket *sock)
/* wait for complete transmission of current pdu */
wait_event_interruptible(so->wait, so->tx.state == ISOTP_IDLE);
+ /* force state machines to be idle also when a signal occurred */
+ so->tx.state = ISOTP_IDLE;
+ so->rx.state = ISOTP_IDLE;
+
spin_lock(&isotp_notifier_lock);
while (isotp_busy_notifier == so) {
spin_unlock(&isotp_notifier_lock);
@@ -1194,6 +1188,7 @@ static int isotp_release(struct socket *sock)
}
}
+ hrtimer_cancel(&so->txfrtimer);
hrtimer_cancel(&so->txtimer);
hrtimer_cancel(&so->rxtimer);
@@ -1597,6 +1592,8 @@ static int isotp_init(struct sock *sk)
so->rxtimer.function = isotp_rx_timer_handler;
hrtimer_init(&so->txtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT);
so->txtimer.function = isotp_tx_timer_handler;
+ hrtimer_init(&so->txfrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT);
+ so->txfrtimer.function = isotp_txfr_timer_handler;
init_waitqueue_head(&so->wait);
spin_lock_init(&so->rx_lock);
diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index 55f29c9f9e08..4177e9617070 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1092,10 +1092,6 @@ static bool j1939_session_deactivate(struct j1939_session *session)
bool active;
j1939_session_list_lock(priv);
- /* This function should be called with a session ref-count of at
- * least 2.
- */
- WARN_ON_ONCE(kref_read(&session->kref) < 2);
active = j1939_session_deactivate_locked(session);
j1939_session_list_unlock(priv);
diff --git a/net/can/raw.c b/net/can/raw.c
index 3eb7d3e2b541..4abab2c3011a 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -132,8 +132,8 @@ static void raw_rcv(struct sk_buff *oskb, void *data)
return;
/* make sure to not pass oversized frames to the socket */
- if ((can_is_canfd_skb(oskb) && !ro->fd_frames && !ro->xl_frames) ||
- (can_is_canxl_skb(oskb) && !ro->xl_frames))
+ if ((!ro->fd_frames && can_is_canfd_skb(oskb)) ||
+ (!ro->xl_frames && can_is_canxl_skb(oskb)))
return;
/* eliminate multiple filter matches for the same skb */
@@ -670,6 +670,11 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
if (copy_from_sockptr(&ro->fd_frames, optval, optlen))
return -EFAULT;
+ /* Enabling CAN XL includes CAN FD */
+ if (ro->xl_frames && !ro->fd_frames) {
+ ro->fd_frames = ro->xl_frames;
+ return -EINVAL;
+ }
break;
case CAN_RAW_XL_FRAMES:
@@ -679,6 +684,9 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
if (copy_from_sockptr(&ro->xl_frames, optval, optlen))
return -EFAULT;
+ /* Enabling CAN XL includes CAN FD */
+ if (ro->xl_frames)
+ ro->fd_frames = ro->xl_frames;
break;
case CAN_RAW_JOIN_FILTERS:
@@ -786,6 +794,25 @@ static int raw_getsockopt(struct socket *sock, int level, int optname,
return 0;
}
+static bool raw_bad_txframe(struct raw_sock *ro, struct sk_buff *skb, int mtu)
+{
+ /* Classical CAN -> no checks for flags and device capabilities */
+ if (can_is_can_skb(skb))
+ return false;
+
+ /* CAN FD -> needs to be enabled and a CAN FD or CAN XL device */
+ if (ro->fd_frames && can_is_canfd_skb(skb) &&
+ (mtu == CANFD_MTU || can_is_canxl_dev_mtu(mtu)))
+ return false;
+
+ /* CAN XL -> needs to be enabled and a CAN XL device */
+ if (ro->xl_frames && can_is_canxl_skb(skb) &&
+ can_is_canxl_dev_mtu(mtu))
+ return false;
+
+ return true;
+}
+
static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
{
struct sock *sk = sock->sk;
@@ -833,20 +860,8 @@ static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
goto free_skb;
err = -EINVAL;
- if (ro->xl_frames && can_is_canxl_dev_mtu(dev->mtu)) {
- /* CAN XL, CAN FD and Classical CAN */
- if (!can_is_canxl_skb(skb) && !can_is_canfd_skb(skb) &&
- !can_is_can_skb(skb))
- goto free_skb;
- } else if (ro->fd_frames && dev->mtu == CANFD_MTU) {
- /* CAN FD and Classical CAN */
- if (!can_is_canfd_skb(skb) && !can_is_can_skb(skb))
- goto free_skb;
- } else {
- /* Classical CAN */
- if (!can_is_can_skb(skb))
- goto free_skb;
- }
+ if (raw_bad_txframe(ro, skb, dev->mtu))
+ goto free_skb;
sockcm_init(&sockc, sk);
if (msg->msg_controllen) {
diff --git a/net/ceph/messenger_v1.c b/net/ceph/messenger_v1.c
index 3ddbde87e4d6..d1787d7d33ef 100644
--- a/net/ceph/messenger_v1.c
+++ b/net/ceph/messenger_v1.c
@@ -30,7 +30,7 @@ static int ceph_tcp_recvmsg(struct socket *sock, void *buf, size_t len)
if (!buf)
msg.msg_flags |= MSG_TRUNC;
- iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, len);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &iov, 1, len);
r = sock_recvmsg(sock, &msg, msg.msg_flags);
if (r == -EAGAIN)
r = 0;
@@ -49,7 +49,7 @@ static int ceph_tcp_recvpage(struct socket *sock, struct page *page,
int r;
BUG_ON(page_offset + length > PAGE_SIZE);
- iov_iter_bvec(&msg.msg_iter, READ, &bvec, 1, length);
+ iov_iter_bvec(&msg.msg_iter, ITER_DEST, &bvec, 1, length);
r = sock_recvmsg(sock, &msg, msg.msg_flags);
if (r == -EAGAIN)
r = 0;
diff --git a/net/ceph/messenger_v2.c b/net/ceph/messenger_v2.c
index cc8ff81a50b7..3009028c4fa2 100644
--- a/net/ceph/messenger_v2.c
+++ b/net/ceph/messenger_v2.c
@@ -168,7 +168,7 @@ static int do_try_sendpage(struct socket *sock, struct iov_iter *it)
bv.bv_offset, bv.bv_len,
CEPH_MSG_FLAGS);
} else {
- iov_iter_bvec(&msg.msg_iter, WRITE, &bv, 1, bv.bv_len);
+ iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bv, 1, bv.bv_len);
ret = sock_sendmsg(sock, &msg);
}
if (ret <= 0) {
@@ -225,7 +225,7 @@ static void reset_in_kvecs(struct ceph_connection *con)
WARN_ON(iov_iter_count(&con->v2.in_iter));
con->v2.in_kvec_cnt = 0;
- iov_iter_kvec(&con->v2.in_iter, READ, con->v2.in_kvecs, 0, 0);
+ iov_iter_kvec(&con->v2.in_iter, ITER_DEST, con->v2.in_kvecs, 0, 0);
}
static void set_in_bvec(struct ceph_connection *con, const struct bio_vec *bv)
@@ -233,7 +233,7 @@ static void set_in_bvec(struct ceph_connection *con, const struct bio_vec *bv)
WARN_ON(iov_iter_count(&con->v2.in_iter));
con->v2.in_bvec = *bv;
- iov_iter_bvec(&con->v2.in_iter, READ, &con->v2.in_bvec, 1, bv->bv_len);
+ iov_iter_bvec(&con->v2.in_iter, ITER_DEST, &con->v2.in_bvec, 1, bv->bv_len);
}
static void set_in_skip(struct ceph_connection *con, int len)
@@ -241,7 +241,7 @@ static void set_in_skip(struct ceph_connection *con, int len)
WARN_ON(iov_iter_count(&con->v2.in_iter));
dout("%s con %p len %d\n", __func__, con, len);
- iov_iter_discard(&con->v2.in_iter, READ, len);
+ iov_iter_discard(&con->v2.in_iter, ITER_DEST, len);
}
static void add_out_kvec(struct ceph_connection *con, void *buf, int len)
@@ -265,7 +265,7 @@ static void reset_out_kvecs(struct ceph_connection *con)
con->v2.out_kvec_cnt = 0;
- iov_iter_kvec(&con->v2.out_iter, WRITE, con->v2.out_kvecs, 0, 0);
+ iov_iter_kvec(&con->v2.out_iter, ITER_SOURCE, con->v2.out_kvecs, 0, 0);
con->v2.out_iter_sendpage = false;
}
@@ -277,7 +277,7 @@ static void set_out_bvec(struct ceph_connection *con, const struct bio_vec *bv,
con->v2.out_bvec = *bv;
con->v2.out_iter_sendpage = zerocopy;
- iov_iter_bvec(&con->v2.out_iter, WRITE, &con->v2.out_bvec, 1,
+ iov_iter_bvec(&con->v2.out_iter, ITER_SOURCE, &con->v2.out_bvec, 1,
con->v2.out_bvec.bv_len);
}
@@ -290,7 +290,7 @@ static void set_out_bvec_zero(struct ceph_connection *con)
con->v2.out_bvec.bv_offset = 0;
con->v2.out_bvec.bv_len = min(con->v2.out_zero, (int)PAGE_SIZE);
con->v2.out_iter_sendpage = true;
- iov_iter_bvec(&con->v2.out_iter, WRITE, &con->v2.out_bvec, 1,
+ iov_iter_bvec(&con->v2.out_iter, ITER_SOURCE, &con->v2.out_bvec, 1,
con->v2.out_bvec.bv_len);
}
diff --git a/net/compat.c b/net/compat.c
index 385f04a6be2f..161b7bea1f62 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -95,7 +95,8 @@ int get_compat_msghdr(struct msghdr *kmsg,
if (err)
return err;
- err = import_iovec(save_addr ? READ : WRITE, compat_ptr(msg.msg_iov), msg.msg_iovlen,
+ err = import_iovec(save_addr ? ITER_DEST : ITER_SOURCE,
+ compat_ptr(msg.msg_iov), msg.msg_iovlen,
UIO_FASTIOV, iov, &kmsg->msg_iter);
return err < 0 ? err : 0;
}
diff --git a/net/core/gro.c b/net/core/gro.c
index 1b4abfb9a7a1..352f966cb1da 100644
--- a/net/core/gro.c
+++ b/net/core/gro.c
@@ -162,6 +162,15 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb)
struct sk_buff *lp;
int segs;
+ /* Do not splice page pool based packets w/ non-page pool
+ * packets. This can result in reference count issues as page
+ * pool pages will not decrement the reference count and will
+ * instead be immediately returned to the pool or have frag
+ * count decremented.
+ */
+ if (p->pp_recycle != skb->pp_recycle)
+ return -ETOOMANYREFS;
+
/* pairs with WRITE_ONCE() in netif_set_gro_max_size() */
gro_max_size = READ_ONCE(p->dev->gro_max_size);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index ec19ed722453..6667c3538f2a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2001,7 +2001,7 @@ static int receive_fallback_to_copy(struct sock *sk,
if (copy_address != zc->copybuf_address)
return -EINVAL;
- err = import_single_range(READ, (void __user *)copy_address,
+ err = import_single_range(ITER_DEST, (void __user *)copy_address,
inq, &iov, &msg.msg_iter);
if (err)
return err;
@@ -2035,7 +2035,7 @@ static int tcp_copy_straggler_data(struct tcp_zerocopy_receive *zc,
if (copy_address != zc->copybuf_address)
return -EINVAL;
- err = import_single_range(READ, (void __user *)copy_address,
+ err = import_single_range(ITER_DEST, (void __user *)copy_address,
copylen, &iov, &msg.msg_iter);
if (err)
return err;
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index 94aad3870c5f..cf26d65ca389 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -6,6 +6,7 @@
#include <linux/bpf.h>
#include <linux/init.h>
#include <linux/wait.h>
+#include <linux/util_macros.h>
#include <net/inet_common.h>
#include <net/tls.h>
@@ -639,10 +640,9 @@ EXPORT_SYMBOL_GPL(tcp_bpf_update_proto);
*/
void tcp_bpf_clone(const struct sock *sk, struct sock *newsk)
{
- int family = sk->sk_family == AF_INET6 ? TCP_BPF_IPV6 : TCP_BPF_IPV4;
struct proto *prot = newsk->sk_prot;
- if (prot == &tcp_bpf_prots[family][TCP_BPF_BASE])
+ if (is_insidevar(prot, tcp_bpf_prots))
newsk->sk_prot = sk->sk_prot_creator;
}
#endif /* CONFIG_BPF_SYSCALL */
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9c3f5202a97b..e6c7edcf6834 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3127,17 +3127,17 @@ static void add_v4_addrs(struct inet6_dev *idev)
offset = sizeof(struct in6_addr) - 4;
memcpy(&addr.s6_addr32[3], idev->dev->dev_addr + offset, 4);
- if (idev->dev->flags&IFF_POINTOPOINT) {
+ if (!(idev->dev->flags & IFF_POINTOPOINT) && idev->dev->type == ARPHRD_SIT) {
+ scope = IPV6_ADDR_COMPATv4;
+ plen = 96;
+ pflags |= RTF_NONEXTHOP;
+ } else {
if (idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_NONE)
return;
addr.s6_addr32[0] = htonl(0xfe800000);
scope = IFA_LINK;
plen = 64;
- } else {
- scope = IPV6_ADDR_COMPATv4;
- plen = 96;
- pflags |= RTF_NONEXTHOP;
}
if (addr.s6_addr32[3]) {
@@ -3447,6 +3447,30 @@ static void addrconf_gre_config(struct net_device *dev)
}
#endif
+static void addrconf_init_auto_addrs(struct net_device *dev)
+{
+ switch (dev->type) {
+#if IS_ENABLED(CONFIG_IPV6_SIT)
+ case ARPHRD_SIT:
+ addrconf_sit_config(dev);
+ break;
+#endif
+#if IS_ENABLED(CONFIG_NET_IPGRE) || IS_ENABLED(CONFIG_IPV6_GRE)
+ case ARPHRD_IP6GRE:
+ case ARPHRD_IPGRE:
+ addrconf_gre_config(dev);
+ break;
+#endif
+ case ARPHRD_LOOPBACK:
+ init_loopback(dev);
+ break;
+
+ default:
+ addrconf_dev_config(dev);
+ break;
+ }
+}
+
static int fixup_permanent_addr(struct net *net,
struct inet6_dev *idev,
struct inet6_ifaddr *ifp)
@@ -3615,26 +3639,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
run_pending = 1;
}
- switch (dev->type) {
-#if IS_ENABLED(CONFIG_IPV6_SIT)
- case ARPHRD_SIT:
- addrconf_sit_config(dev);
- break;
-#endif
-#if IS_ENABLED(CONFIG_NET_IPGRE) || IS_ENABLED(CONFIG_IPV6_GRE)
- case ARPHRD_IP6GRE:
- case ARPHRD_IPGRE:
- addrconf_gre_config(dev);
- break;
-#endif
- case ARPHRD_LOOPBACK:
- init_loopback(dev);
- break;
-
- default:
- addrconf_dev_config(dev);
- break;
- }
+ addrconf_init_auto_addrs(dev);
if (!IS_ERR_OR_NULL(idev)) {
if (run_pending)
@@ -6397,7 +6402,7 @@ static int addrconf_sysctl_addr_gen_mode(struct ctl_table *ctl, int write,
if (idev->cnf.addr_gen_mode != new_val) {
idev->cnf.addr_gen_mode = new_val;
- addrconf_dev_config(idev->dev);
+ addrconf_init_auto_addrs(idev->dev);
}
} else if (&net->ipv6.devconf_all->addr_gen_mode == ctl->data) {
struct net_device *dev;
@@ -6408,7 +6413,7 @@ static int addrconf_sysctl_addr_gen_mode(struct ctl_table *ctl, int write,
if (idev &&
idev->cnf.addr_gen_mode != new_val) {
idev->cnf.addr_gen_mode = new_val;
- addrconf_dev_config(idev->dev);
+ addrconf_init_auto_addrs(idev->dev);
}
}
}
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index a56fd0b5a430..4963fec815da 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1617,7 +1617,7 @@ ip_vs_receive(struct socket *sock, char *buffer, const size_t buflen)
EnterFunction(7);
/* Receive a packet */
- iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, buflen);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &iov, 1, buflen);
len = sock_recvmsg(sock, &msg, MSG_DONTWAIT);
if (len < 0)
return len;
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 6f7f4392cffb..5a4cb796150f 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -400,6 +400,11 @@ static int nr_listen(struct socket *sock, int backlog)
struct sock *sk = sock->sk;
lock_sock(sk);
+ if (sock->state != SS_UNCONNECTED) {
+ release_sock(sk);
+ return -EINVAL;
+ }
+
if (sk->sk_state != TCP_LISTEN) {
memset(&nr_sk(sk)->user_addr, 0, AX25_ADDR_LEN);
sk->sk_max_ack_backlog = backlog;
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index fa0f1952d763..5920fdca1287 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -979,14 +979,14 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info)
key = kzalloc(sizeof(*key), GFP_KERNEL);
if (!key) {
error = -ENOMEM;
- goto err_kfree_key;
+ goto err_kfree_flow;
}
ovs_match_init(&match, key, false, &mask);
error = ovs_nla_get_match(net, &match, a[OVS_FLOW_ATTR_KEY],
a[OVS_FLOW_ATTR_MASK], log);
if (error)
- goto err_kfree_flow;
+ goto err_kfree_key;
ovs_flow_mask_key(&new_flow->key, key, true, &mask);
@@ -994,14 +994,14 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info)
error = ovs_nla_get_identifier(&new_flow->id, a[OVS_FLOW_ATTR_UFID],
key, log);
if (error)
- goto err_kfree_flow;
+ goto err_kfree_key;
/* Validate actions. */
error = ovs_nla_copy_actions(net, a[OVS_FLOW_ATTR_ACTIONS],
&new_flow->key, &acts, log);
if (error) {
OVS_NLERR(log, "Flow actions may not be safe on all matching packets.");
- goto err_kfree_flow;
+ goto err_kfree_key;
}
reply = ovs_flow_cmd_alloc_info(acts, &new_flow->id, info, false,
@@ -1101,10 +1101,10 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info)
kfree_skb(reply);
err_kfree_acts:
ovs_nla_free_flow_actions(acts);
-err_kfree_flow:
- ovs_flow_free(new_flow, false);
err_kfree_key:
kfree(key);
+err_kfree_flow:
+ ovs_flow_free(new_flow, false);
error:
return error;
}
diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c
index 1990d496fcfc..e595079c2caf 100644
--- a/net/qrtr/ns.c
+++ b/net/qrtr/ns.c
@@ -83,7 +83,10 @@ static struct qrtr_node *node_get(unsigned int node_id)
node->id = node_id;
- radix_tree_insert(&nodes, node_id, node);
+ if (radix_tree_insert(&nodes, node_id, node)) {
+ kfree(node);
+ return NULL;
+ }
return node;
}
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index f8fd98784977..b3f1a91e9a07 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -196,9 +196,7 @@ void sctp_transport_reset_hb_timer(struct sctp_transport *transport)
/* When a data chunk is sent, reset the heartbeat interval. */
expires = jiffies + sctp_transport_timeout(transport);
- if ((time_before(transport->hb_timer.expires, expires) ||
- !timer_pending(&transport->hb_timer)) &&
- !mod_timer(&transport->hb_timer,
+ if (!mod_timer(&transport->hb_timer,
expires + prandom_u32_max(transport->rto)))
sctp_transport_hold(transport);
}
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 1472f31480d8..dfb9797f7bc6 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -673,7 +673,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
*/
krflags = MSG_PEEK | MSG_WAITALL;
clc_sk->sk_rcvtimeo = timeout;
- iov_iter_kvec(&msg.msg_iter, READ, &vec, 1,
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &vec, 1,
sizeof(struct smc_clc_msg_hdr));
len = sock_recvmsg(smc->clcsock, &msg, krflags);
if (signal_pending(current)) {
@@ -720,7 +720,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
} else {
recvlen = datlen;
}
- iov_iter_kvec(&msg.msg_iter, READ, &vec, 1, recvlen);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &vec, 1, recvlen);
krflags = MSG_WAITALL;
len = sock_recvmsg(smc->clcsock, &msg, krflags);
if (len < recvlen || !smc_clc_msg_hdr_valid(clcm, check_trl)) {
@@ -737,7 +737,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
/* receive remaining proposal message */
recvlen = datlen > SMC_CLC_RECV_BUF_LEN ?
SMC_CLC_RECV_BUF_LEN : datlen;
- iov_iter_kvec(&msg.msg_iter, READ, &vec, 1, recvlen);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &vec, 1, recvlen);
len = sock_recvmsg(smc->clcsock, &msg, krflags);
datlen -= len;
}
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index 64dedffe9d26..f4b6a71ac488 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -308,7 +308,7 @@ int smc_tx_sendpage(struct smc_sock *smc, struct page *page, int offset,
iov.iov_base = kaddr + offset;
iov.iov_len = size;
- iov_iter_kvec(&msg.msg_iter, WRITE, &iov, 1, size);
+ iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, &iov, 1, size);
rc = smc_tx_sendmsg(smc, &msg, size);
kunmap(page);
return rc;
diff --git a/net/socket.c b/net/socket.c
index 00da9ce3dba0..73463c7c3702 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -750,7 +750,7 @@ EXPORT_SYMBOL(sock_sendmsg);
int kernel_sendmsg(struct socket *sock, struct msghdr *msg,
struct kvec *vec, size_t num, size_t size)
{
- iov_iter_kvec(&msg->msg_iter, WRITE, vec, num, size);
+ iov_iter_kvec(&msg->msg_iter, ITER_SOURCE, vec, num, size);
return sock_sendmsg(sock, msg);
}
EXPORT_SYMBOL(kernel_sendmsg);
@@ -776,7 +776,7 @@ int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg,
if (!sock->ops->sendmsg_locked)
return sock_no_sendmsg_locked(sk, msg, size);
- iov_iter_kvec(&msg->msg_iter, WRITE, vec, num, size);
+ iov_iter_kvec(&msg->msg_iter, ITER_SOURCE, vec, num, size);
return sock->ops->sendmsg_locked(sk, msg, msg_data_left(msg));
}
@@ -1034,7 +1034,7 @@ int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
struct kvec *vec, size_t num, size_t size, int flags)
{
msg->msg_control_is_user = false;
- iov_iter_kvec(&msg->msg_iter, READ, vec, num, size);
+ iov_iter_kvec(&msg->msg_iter, ITER_DEST, vec, num, size);
return sock_recvmsg(sock, msg, flags);
}
EXPORT_SYMBOL(kernel_recvmsg);
@@ -2092,7 +2092,7 @@ int __sys_sendto(int fd, void __user *buff, size_t len, unsigned int flags,
struct iovec iov;
int fput_needed;
- err = import_single_range(WRITE, buff, len, &iov, &msg.msg_iter);
+ err = import_single_range(ITER_SOURCE, buff, len, &iov, &msg.msg_iter);
if (unlikely(err))
return err;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
@@ -2157,7 +2157,7 @@ int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags,
int err, err2;
int fput_needed;
- err = import_single_range(READ, ubuf, size, &iov, &msg.msg_iter);
+ err = import_single_range(ITER_DEST, ubuf, size, &iov, &msg.msg_iter);
if (unlikely(err))
return err;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
@@ -2417,7 +2417,7 @@ static int copy_msghdr_from_user(struct msghdr *kmsg,
if (err)
return err;
- err = import_iovec(save_addr ? READ : WRITE,
+ err = import_iovec(save_addr ? ITER_DEST : ITER_SOURCE,
msg.msg_iov, msg.msg_iovlen,
UIO_FASTIOV, iov, &kmsg->msg_iter);
return err < 0 ? err : 0;
diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c
index 71ba4cf513bc..1b2b84feeec6 100644
--- a/net/sunrpc/socklib.c
+++ b/net/sunrpc/socklib.c
@@ -214,14 +214,14 @@ static inline int xprt_sendmsg(struct socket *sock, struct msghdr *msg,
static int xprt_send_kvec(struct socket *sock, struct msghdr *msg,
struct kvec *vec, size_t seek)
{
- iov_iter_kvec(&msg->msg_iter, WRITE, vec, 1, vec->iov_len);
+ iov_iter_kvec(&msg->msg_iter, ITER_SOURCE, vec, 1, vec->iov_len);
return xprt_sendmsg(sock, msg, seek);
}
static int xprt_send_pagedata(struct socket *sock, struct msghdr *msg,
struct xdr_buf *xdr, size_t base)
{
- iov_iter_bvec(&msg->msg_iter, WRITE, xdr->bvec, xdr_buf_pagecount(xdr),
+ iov_iter_bvec(&msg->msg_iter, ITER_SOURCE, xdr->bvec, xdr_buf_pagecount(xdr),
xdr->page_len + xdr->page_base);
return xprt_sendmsg(sock, msg, base + xdr->page_base);
}
@@ -244,7 +244,7 @@ static int xprt_send_rm_and_kvec(struct socket *sock, struct msghdr *msg,
};
size_t len = iov[0].iov_len + iov[1].iov_len;
- iov_iter_kvec(&msg->msg_iter, WRITE, iov, 2, len);
+ iov_iter_kvec(&msg->msg_iter, ITER_SOURCE, iov, 2, len);
return xprt_sendmsg(sock, msg, base);
}
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index e833103f4629..815baf308236 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -260,7 +260,7 @@ static ssize_t svc_tcp_read_msg(struct svc_rqst *rqstp, size_t buflen,
rqstp->rq_respages = &rqstp->rq_pages[i];
rqstp->rq_next_page = rqstp->rq_respages + 1;
- iov_iter_bvec(&msg.msg_iter, READ, bvec, i, buflen);
+ iov_iter_bvec(&msg.msg_iter, ITER_DEST, bvec, i, buflen);
if (seek) {
iov_iter_advance(&msg.msg_iter, seek);
buflen -= seek;
@@ -874,7 +874,7 @@ static ssize_t svc_tcp_read_marker(struct svc_sock *svsk,
want = sizeof(rpc_fraghdr) - svsk->sk_tcplen;
iov.iov_base = ((char *)&svsk->sk_marker) + svsk->sk_tcplen;
iov.iov_len = want;
- iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, want);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &iov, 1, want);
len = sock_recvmsg(svsk->sk_sock, &msg, MSG_DONTWAIT);
if (len < 0)
return len;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 915b9902f673..b3ab6d9d752e 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -364,7 +364,7 @@ static ssize_t
xs_read_kvec(struct socket *sock, struct msghdr *msg, int flags,
struct kvec *kvec, size_t count, size_t seek)
{
- iov_iter_kvec(&msg->msg_iter, READ, kvec, 1, count);
+ iov_iter_kvec(&msg->msg_iter, ITER_DEST, kvec, 1, count);
return xs_sock_recvmsg(sock, msg, flags, seek);
}
@@ -373,7 +373,7 @@ xs_read_bvec(struct socket *sock, struct msghdr *msg, int flags,
struct bio_vec *bvec, unsigned long nr, size_t count,
size_t seek)
{
- iov_iter_bvec(&msg->msg_iter, READ, bvec, nr, count);
+ iov_iter_bvec(&msg->msg_iter, ITER_DEST, bvec, nr, count);
return xs_sock_recvmsg(sock, msg, flags, seek);
}
@@ -381,7 +381,7 @@ static ssize_t
xs_read_discard(struct socket *sock, struct msghdr *msg, int flags,
size_t count)
{
- iov_iter_discard(&msg->msg_iter, READ, count);
+ iov_iter_discard(&msg->msg_iter, ITER_DEST, count);
return sock_recvmsg(sock, msg, flags);
}
diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
index e3b427a70398..69c88cc03887 100644
--- a/net/tipc/topsrv.c
+++ b/net/tipc/topsrv.c
@@ -396,7 +396,7 @@ static int tipc_conn_rcv_from_sock(struct tipc_conn *con)
iov.iov_base = &s;
iov.iov_len = sizeof(s);
msg.msg_name = NULL;
- iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, iov.iov_len);
+ iov_iter_kvec(&msg.msg_iter, ITER_DEST, &iov, 1, iov.iov_len);
ret = sock_recvmsg(con->sock, &msg, MSG_DONTWAIT);
if (ret == -EWOULDBLOCK)
return -EWOULDBLOCK;
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index a03d66046ca3..6c593788dc25 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -620,7 +620,7 @@ int tls_device_sendpage(struct sock *sk, struct page *page,
kaddr = kmap(page);
iov.iov_base = kaddr + offset;
iov.iov_len = size;
- iov_iter_kvec(&msg_iter, WRITE, &iov, 1, size);
+ iov_iter_kvec(&msg_iter, ITER_SOURCE, &iov, 1, size);
iter_offset.msg_iter = &msg_iter;
rc = tls_push_data(sk, iter_offset, size, flags, TLS_RECORD_TYPE_DATA,
NULL);
@@ -697,7 +697,7 @@ static int tls_device_push_pending_record(struct sock *sk, int flags)
union tls_iter_offset iter;
struct iov_iter msg_iter;
- iov_iter_kvec(&msg_iter, WRITE, NULL, 0, 0);
+ iov_iter_kvec(&msg_iter, ITER_SOURCE, NULL, 0, 0);
iter.msg_iter = &msg_iter;
return tls_push_data(sk, iter, 0, flags, TLS_RECORD_TYPE_DATA, NULL);
}
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 9ed978634125..a83d2b4275fa 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -2427,7 +2427,7 @@ static bool tls_is_tx_ready(struct tls_sw_context_tx *ctx)
{
struct tls_rec *rec;
- rec = list_first_entry(&ctx->tx_list, struct tls_rec, list);
+ rec = list_first_entry_or_null(&ctx->tx_list, struct tls_rec, list);
if (!rec)
return false;
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 3b55502b2965..5c7ad301d742 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -482,6 +482,12 @@ static int x25_listen(struct socket *sock, int backlog)
int rc = -EOPNOTSUPP;
lock_sock(sk);
+ if (sock->state != SS_UNCONNECTED) {
+ rc = -EINVAL;
+ release_sock(sk);
+ return rc;
+ }
+
if (sk->sk_state != TCP_LISTEN) {
memset(&x25_sk(sk)->dest_addr, 0, X25_ADDR_LEN);
sk->sk_max_ack_backlog = backlog;
diff --git a/net/xfrm/espintcp.c b/net/xfrm/espintcp.c
index 29a540dcb5a7..d6fece1ed982 100644
--- a/net/xfrm/espintcp.c
+++ b/net/xfrm/espintcp.c
@@ -354,7 +354,7 @@ static int espintcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
*((__be16 *)buf) = cpu_to_be16(msglen);
pfx_iov.iov_base = buf;
pfx_iov.iov_len = sizeof(buf);
- iov_iter_kvec(&pfx_iter, WRITE, &pfx_iov, 1, pfx_iov.iov_len);
+ iov_iter_kvec(&pfx_iter, ITER_SOURCE, &pfx_iov, 1, pfx_iov.iov_len);
err = sk_msg_memcopy_from_iter(sk, &pfx_iter, &emsg->skmsg,
pfx_iov.iov_len);
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index a4c987c23750..10df89b9ef67 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -66,9 +66,13 @@ endif
# Don't stop modules_install even if we can't sign external modules.
#
ifeq ($(CONFIG_MODULE_SIG_ALL),y)
+ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY)),)
sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree)/)$(CONFIG_MODULE_SIG_KEY)
+else
+sig-key := $(CONFIG_MODULE_SIG_KEY)
+endif
quiet_cmd_sign = SIGN $@
- cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(sig-key) certs/signing_key.x509 $@ \
+ cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) "$(sig-key)" certs/signing_key.x509 $@ \
$(if $(KBUILD_EXTMOD),|| true)
else
quiet_cmd_sign :=
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 96a92a645216..d54f73c558f7 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -1251,7 +1251,7 @@ long keyctl_instantiate_key(key_serial_t id,
struct iov_iter from;
int ret;
- ret = import_single_range(WRITE, (void __user *)_payload, plen,
+ ret = import_single_range(ITER_SOURCE, (void __user *)_payload, plen,
&iov, &from);
if (unlikely(ret))
return ret;
@@ -1283,7 +1283,7 @@ long keyctl_instantiate_key_iov(key_serial_t id,
if (!_payload_iov)
ioc = 0;
- ret = import_iovec(WRITE, _payload_iov, ioc,
+ ret = import_iovec(ITER_SOURCE, _payload_iov, ioc,
ARRAY_SIZE(iovstack), &iov, &from);
if (ret < 0)
return ret;
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c
index 7268304009ad..11ff1ee51345 100644
--- a/sound/core/memalloc.c
+++ b/sound/core/memalloc.c
@@ -542,16 +542,15 @@ static void *snd_dma_noncontig_alloc(struct snd_dma_buffer *dmab, size_t size)
struct sg_table *sgt;
void *p;
+#ifdef CONFIG_SND_DMA_SGBUF
+ if (cpu_feature_enabled(X86_FEATURE_XENPV))
+ return snd_dma_sg_fallback_alloc(dmab, size);
+#endif
sgt = dma_alloc_noncontiguous(dmab->dev.dev, size, dmab->dev.dir,
DEFAULT_GFP, 0);
#ifdef CONFIG_SND_DMA_SGBUF
- if (!sgt && !get_dma_ops(dmab->dev.dev)) {
- if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG)
- dmab->dev.type = SNDRV_DMA_TYPE_DEV_WC_SG_FALLBACK;
- else
- dmab->dev.type = SNDRV_DMA_TYPE_DEV_SG_FALLBACK;
+ if (!sgt && !get_dma_ops(dmab->dev.dev))
return snd_dma_sg_fallback_alloc(dmab, size);
- }
#endif
if (!sgt)
return NULL;
@@ -718,19 +717,38 @@ static const struct snd_malloc_ops snd_dma_sg_wc_ops = {
/* Fallback SG-buffer allocations for x86 */
struct snd_dma_sg_fallback {
+ bool use_dma_alloc_coherent;
size_t count;
struct page **pages;
+ /* DMA address array; the first page contains #pages in ~PAGE_MASK */
+ dma_addr_t *addrs;
};
static void __snd_dma_sg_fallback_free(struct snd_dma_buffer *dmab,
struct snd_dma_sg_fallback *sgbuf)
{
- bool wc = dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG_FALLBACK;
- size_t i;
-
- for (i = 0; i < sgbuf->count && sgbuf->pages[i]; i++)
- do_free_pages(page_address(sgbuf->pages[i]), PAGE_SIZE, wc);
+ size_t i, size;
+
+ if (sgbuf->pages && sgbuf->addrs) {
+ i = 0;
+ while (i < sgbuf->count) {
+ if (!sgbuf->pages[i] || !sgbuf->addrs[i])
+ break;
+ size = sgbuf->addrs[i] & ~PAGE_MASK;
+ if (WARN_ON(!size))
+ break;
+ if (sgbuf->use_dma_alloc_coherent)
+ dma_free_coherent(dmab->dev.dev, size << PAGE_SHIFT,
+ page_address(sgbuf->pages[i]),
+ sgbuf->addrs[i] & PAGE_MASK);
+ else
+ do_free_pages(page_address(sgbuf->pages[i]),
+ size << PAGE_SHIFT, false);
+ i += size;
+ }
+ }
kvfree(sgbuf->pages);
+ kvfree(sgbuf->addrs);
kfree(sgbuf);
}
@@ -739,24 +757,36 @@ static void *snd_dma_sg_fallback_alloc(struct snd_dma_buffer *dmab, size_t size)
struct snd_dma_sg_fallback *sgbuf;
struct page **pagep, *curp;
size_t chunk, npages;
+ dma_addr_t *addrp;
dma_addr_t addr;
void *p;
- bool wc = dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG_FALLBACK;
+
+ /* correct the type */
+ if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG)
+ dmab->dev.type = SNDRV_DMA_TYPE_DEV_SG_FALLBACK;
+ else if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG)
+ dmab->dev.type = SNDRV_DMA_TYPE_DEV_WC_SG_FALLBACK;
sgbuf = kzalloc(sizeof(*sgbuf), GFP_KERNEL);
if (!sgbuf)
return NULL;
+ sgbuf->use_dma_alloc_coherent = cpu_feature_enabled(X86_FEATURE_XENPV);
size = PAGE_ALIGN(size);
sgbuf->count = size >> PAGE_SHIFT;
sgbuf->pages = kvcalloc(sgbuf->count, sizeof(*sgbuf->pages), GFP_KERNEL);
- if (!sgbuf->pages)
+ sgbuf->addrs = kvcalloc(sgbuf->count, sizeof(*sgbuf->addrs), GFP_KERNEL);
+ if (!sgbuf->pages || !sgbuf->addrs)
goto error;
pagep = sgbuf->pages;
- chunk = size;
+ addrp = sgbuf->addrs;
+ chunk = (PAGE_SIZE - 1) << PAGE_SHIFT; /* to fit in low bits in addrs */
while (size > 0) {
chunk = min(size, chunk);
- p = do_alloc_pages(dmab->dev.dev, chunk, &addr, wc);
+ if (sgbuf->use_dma_alloc_coherent)
+ p = dma_alloc_coherent(dmab->dev.dev, chunk, &addr, DEFAULT_GFP);
+ else
+ p = do_alloc_pages(dmab->dev.dev, chunk, &addr, false);
if (!p) {
if (chunk <= PAGE_SIZE)
goto error;
@@ -768,17 +798,25 @@ static void *snd_dma_sg_fallback_alloc(struct snd_dma_buffer *dmab, size_t size)
size -= chunk;
/* fill pages */
npages = chunk >> PAGE_SHIFT;
+ *addrp = npages; /* store in lower bits */
curp = virt_to_page(p);
- while (npages--)
+ while (npages--) {
*pagep++ = curp++;
+ *addrp++ |= addr;
+ addr += PAGE_SIZE;
+ }
}
p = vmap(sgbuf->pages, sgbuf->count, VM_MAP, PAGE_KERNEL);
if (!p)
goto error;
+
+ if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG_FALLBACK)
+ set_pages_array_wc(sgbuf->pages, sgbuf->count);
+
dmab->private_data = sgbuf;
/* store the first page address for convenience */
- dmab->addr = snd_sgbuf_get_addr(dmab, 0);
+ dmab->addr = sgbuf->addrs[0] & PAGE_MASK;
return p;
error:
@@ -788,10 +826,23 @@ static void *snd_dma_sg_fallback_alloc(struct snd_dma_buffer *dmab, size_t size)
static void snd_dma_sg_fallback_free(struct snd_dma_buffer *dmab)
{
+ struct snd_dma_sg_fallback *sgbuf = dmab->private_data;
+
+ if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG_FALLBACK)
+ set_pages_array_wb(sgbuf->pages, sgbuf->count);
vunmap(dmab->area);
__snd_dma_sg_fallback_free(dmab, dmab->private_data);
}
+static dma_addr_t snd_dma_sg_fallback_get_addr(struct snd_dma_buffer *dmab,
+ size_t offset)
+{
+ struct snd_dma_sg_fallback *sgbuf = dmab->private_data;
+ size_t index = offset >> PAGE_SHIFT;
+
+ return (sgbuf->addrs[index] & PAGE_MASK) | (offset & ~PAGE_MASK);
+}
+
static int snd_dma_sg_fallback_mmap(struct snd_dma_buffer *dmab,
struct vm_area_struct *area)
{
@@ -806,8 +857,8 @@ static const struct snd_malloc_ops snd_dma_sg_fallback_ops = {
.alloc = snd_dma_sg_fallback_alloc,
.free = snd_dma_sg_fallback_free,
.mmap = snd_dma_sg_fallback_mmap,
+ .get_addr = snd_dma_sg_fallback_get_addr,
/* reuse vmalloc helpers */
- .get_addr = snd_dma_vmalloc_get_addr,
.get_page = snd_dma_vmalloc_get_page,
.get_chunk_size = snd_dma_vmalloc_get_chunk_size,
};
diff --git a/sound/firewire/motu/motu-hwdep.c b/sound/firewire/motu/motu-hwdep.c
index a900fc0e7644..88d1f4b56e4b 100644
--- a/sound/firewire/motu/motu-hwdep.c
+++ b/sound/firewire/motu/motu-hwdep.c
@@ -87,6 +87,10 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
return -EFAULT;
count = consumed;
+ } else {
+ spin_unlock_irq(&motu->lock);
+
+ count = 0;
}
return count;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 6fab7c8fc19a..db9518de9343 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9202,6 +9202,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1025, 0x142b, "Acer Swift SF314-42", ALC255_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1430, "Acer TravelMate B311R-31", ALC256_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1466, "Acer Aspire A515-56", ALC255_FIXUP_ACER_HEADPHONE_AND_MIC),
+ SND_PCI_QUIRK(0x1025, 0x1534, "Acer Predator PH315-54", ALC255_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
SND_PCI_QUIRK(0x1028, 0x053c, "Dell Latitude E5430", ALC292_FIXUP_DELL_E7X),
SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", ALC275_FIXUP_DELL_XPS),
@@ -9432,6 +9433,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8ad2, "HP EliteBook 860 16 inch G9 Notebook PC", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8b5d, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
SND_PCI_QUIRK(0x103c, 0x8b5e, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+ SND_PCI_QUIRK(0x103c, 0x8b92, "HP", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8bf0, "HP", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC),
SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300),
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index aea7fae2ca4b..2994f85bc1b9 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -819,6 +819,9 @@ static int add_secret_dac_path(struct hda_codec *codec)
return 0;
nums = snd_hda_get_connections(codec, spec->gen.mixer_nid, conn,
ARRAY_SIZE(conn) - 1);
+ if (nums < 0)
+ return nums;
+
for (i = 0; i < nums; i++) {
if (get_wcaps_type(get_wcaps(codec, conn[i])) == AC_WID_AUD_OUT)
return 0;
diff --git a/sound/soc/amd/acp-es8336.c b/sound/soc/amd/acp-es8336.c
index 2fe8df86053a..89499542c803 100644
--- a/sound/soc/amd/acp-es8336.c
+++ b/sound/soc/amd/acp-es8336.c
@@ -198,9 +198,11 @@ static int st_es8336_late_probe(struct snd_soc_card *card)
int ret;
adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1);
- if (adev)
- put_device(&adev->dev);
+ if (!adev)
+ return -ENODEV;
+
codec_dev = acpi_get_first_physical_node(adev);
+ acpi_dev_put(adev);
if (!codec_dev)
dev_err(card->dev, "can not find codec dev\n");
diff --git a/sound/soc/codecs/wsa883x.c b/sound/soc/codecs/wsa883x.c
index 0ddb6362fcc5..2533d0973529 100644
--- a/sound/soc/codecs/wsa883x.c
+++ b/sound/soc/codecs/wsa883x.c
@@ -1359,8 +1359,8 @@ static struct snd_soc_dai_driver wsa883x_dais[] = {
.stream_name = "SPKR Playback",
.rates = WSA883X_RATES | WSA883X_FRAC_RATES,
.formats = WSA883X_FORMATS,
- .rate_max = 8000,
- .rate_min = 352800,
+ .rate_min = 8000,
+ .rate_max = 352800,
.channels_min = 1,
.channels_max = 1,
},
diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c
index 4f93639ce488..5bb3eee2f783 100644
--- a/sound/soc/intel/avs/core.c
+++ b/sound/soc/intel/avs/core.c
@@ -476,6 +476,29 @@ static int avs_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
return ret;
}
+static void avs_pci_shutdown(struct pci_dev *pci)
+{
+ struct hdac_bus *bus = pci_get_drvdata(pci);
+ struct avs_dev *adev = hdac_to_avs(bus);
+
+ cancel_work_sync(&adev->probe_work);
+ avs_ipc_block(adev->ipc);
+
+ snd_hdac_stop_streams(bus);
+ avs_dsp_op(adev, int_control, false);
+ snd_hdac_ext_bus_ppcap_int_enable(bus, false);
+ snd_hdac_ext_bus_link_power_down_all(bus);
+
+ snd_hdac_bus_stop_chip(bus);
+ snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false);
+
+ if (avs_platattr_test(adev, CLDMA))
+ pci_free_irq(pci, 0, &code_loader);
+ pci_free_irq(pci, 0, adev);
+ pci_free_irq(pci, 0, bus);
+ pci_free_irq_vectors(pci);
+}
+
static void avs_pci_remove(struct pci_dev *pci)
{
struct hdac_device *hdev, *save;
@@ -679,6 +702,7 @@ static struct pci_driver avs_pci_driver = {
.id_table = avs_ids,
.probe = avs_pci_probe,
.remove = avs_pci_remove,
+ .shutdown = avs_pci_shutdown,
.driver = {
.pm = &avs_dev_pm,
},
diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c
index a935c5fd9edb..4dd37848b30e 100644
--- a/sound/soc/intel/boards/bytcht_es8316.c
+++ b/sound/soc/intel/boards/bytcht_es8316.c
@@ -497,21 +497,28 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
if (adev) {
snprintf(codec_name, sizeof(codec_name),
"i2c-%s", acpi_dev_name(adev));
- put_device(&adev->dev);
byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
} else {
dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
}
+ codec_dev = acpi_get_first_physical_node(adev);
+ acpi_dev_put(adev);
+ if (!codec_dev)
+ return -EPROBE_DEFER;
+ priv->codec_dev = get_device(codec_dev);
+
/* override platform name, if required */
byt_cht_es8316_card.dev = dev;
platform_name = mach->mach_params.platform;
ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
platform_name);
- if (ret)
+ if (ret) {
+ put_device(codec_dev);
return ret;
+ }
/* Check for BYTCR or other platform and setup quirks */
dmi_id = dmi_first_match(byt_cht_es8316_quirk_table);
@@ -539,13 +546,10 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
/* get the clock */
priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
- if (IS_ERR(priv->mclk))
+ if (IS_ERR(priv->mclk)) {
+ put_device(codec_dev);
return dev_err_probe(dev, PTR_ERR(priv->mclk), "clk_get pmc_plt_clk_3 failed\n");
-
- codec_dev = acpi_get_first_physical_node(adev);
- if (!codec_dev)
- return -EPROBE_DEFER;
- priv->codec_dev = get_device(codec_dev);
+ }
if (quirk & BYT_CHT_ES8316_JD_INVERTED)
props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index ddd2625bed90..4f46f52c38e4 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -1626,13 +1626,18 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
if (adev) {
snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
"i2c-%s", acpi_dev_name(adev));
- put_device(&adev->dev);
byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name;
} else {
dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
return -ENXIO;
}
+ codec_dev = acpi_get_first_physical_node(adev);
+ acpi_dev_put(adev);
+ if (!codec_dev)
+ return -EPROBE_DEFER;
+ priv->codec_dev = get_device(codec_dev);
+
/*
* swap SSP0 if bytcr is detected
* (will be overridden if DMI quirk is detected)
@@ -1707,11 +1712,6 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
byt_rt5640_quirk = quirk_override;
}
- codec_dev = acpi_get_first_physical_node(adev);
- if (!codec_dev)
- return -EPROBE_DEFER;
- priv->codec_dev = get_device(codec_dev);
-
if (byt_rt5640_quirk & BYT_RT5640_JD_HP_ELITEP_1000G2) {
acpi_dev_add_driver_gpios(ACPI_COMPANION(priv->codec_dev),
byt_rt5640_hp_elitepad_1000g2_gpios);
diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
index 2beb686768f2..d74d184e1c7f 100644
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -922,7 +922,6 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
if (adev) {
snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
"i2c-%s", acpi_dev_name(adev));
- put_device(&adev->dev);
byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
} else {
dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
@@ -930,6 +929,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
}
codec_dev = acpi_get_first_physical_node(adev);
+ acpi_dev_put(adev);
if (!codec_dev)
return -EPROBE_DEFER;
priv->codec_dev = get_device(codec_dev);
diff --git a/sound/soc/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c
index 45a6805787f5..f8da1bcd010e 100644
--- a/sound/soc/intel/boards/bytcr_wm5102.c
+++ b/sound/soc/intel/boards/bytcr_wm5102.c
@@ -411,9 +411,9 @@ static int snd_byt_wm5102_mc_probe(struct platform_device *pdev)
return -ENOENT;
}
snprintf(codec_name, sizeof(codec_name), "spi-%s", acpi_dev_name(adev));
- put_device(&adev->dev);
codec_dev = bus_find_device_by_name(&spi_bus_type, NULL, codec_name);
+ acpi_dev_put(adev);
if (!codec_dev)
return -EPROBE_DEFER;
diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c
index 773e5d1d87d4..894b6610b9e2 100644
--- a/sound/soc/intel/boards/sof_es8336.c
+++ b/sound/soc/intel/boards/sof_es8336.c
@@ -681,7 +681,6 @@ static int sof_es8336_probe(struct platform_device *pdev)
if (adev) {
snprintf(codec_name, sizeof(codec_name),
"i2c-%s", acpi_dev_name(adev));
- put_device(&adev->dev);
dai_links[0].codecs->name = codec_name;
/* also fixup codec dai name if relevant */
@@ -692,16 +691,19 @@ static int sof_es8336_probe(struct platform_device *pdev)
return -ENXIO;
}
- ret = snd_soc_fixup_dai_links_platform_name(&sof_es8336_card,
- mach->mach_params.platform);
- if (ret)
- return ret;
-
codec_dev = acpi_get_first_physical_node(adev);
+ acpi_dev_put(adev);
if (!codec_dev)
return -EPROBE_DEFER;
priv->codec_dev = get_device(codec_dev);
+ ret = snd_soc_fixup_dai_links_platform_name(&sof_es8336_card,
+ mach->mach_params.platform);
+ if (ret) {
+ put_device(codec_dev);
+ return ret;
+ }
+
if (quirk & SOF_ES8336_JD_INVERTED)
props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
diff --git a/sound/soc/sof/ipc4-mtrace.c b/sound/soc/sof/ipc4-mtrace.c
index 70dea8ae706e..0ec6ef681012 100644
--- a/sound/soc/sof/ipc4-mtrace.c
+++ b/sound/soc/sof/ipc4-mtrace.c
@@ -344,9 +344,10 @@ static ssize_t sof_ipc4_priority_mask_dfs_write(struct file *file,
size_t count, loff_t *ppos)
{
struct sof_mtrace_priv *priv = file->private_data;
- int id, ret;
+ unsigned int id;
char *buf;
u32 mask;
+ int ret;
/*
* To update Nth mask entry, write:
@@ -357,9 +358,9 @@ static ssize_t sof_ipc4_priority_mask_dfs_write(struct file *file,
if (IS_ERR(buf))
return PTR_ERR(buf);
- ret = sscanf(buf, "%d,0x%x", &id, &mask);
+ ret = sscanf(buf, "%u,0x%x", &id, &mask);
if (ret != 2) {
- ret = sscanf(buf, "%d,%x", &id, &mask);
+ ret = sscanf(buf, "%u,%x", &id, &mask);
if (ret != 2) {
ret = -EINVAL;
goto out;
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index 62092e2d609c..2df433c6ef55 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -271,9 +271,9 @@ sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widg
struct snd_sof_widget *swidget = widget->dobj.private;
struct snd_soc_dapm_path *p;
- /* return if the widget is in use or if it is already unprepared */
- if (!swidget->prepared || swidget->use_count > 1)
- return;
+ /* skip if the widget is in use or if it is already unprepared */
+ if (!swidget || !swidget->prepared || swidget->use_count > 0)
+ goto sink_unprepare;
if (widget_ops[widget->id].ipc_unprepare)
/* unprepare the source widget */
@@ -281,6 +281,7 @@ sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widg
swidget->prepared = false;
+sink_unprepare:
/* unprepare all widgets in the sink paths */
snd_soc_dapm_widget_for_each_sink_path(widget, p) {
if (!p->walking && p->sink->dobj.private) {
@@ -303,7 +304,7 @@ sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget
struct snd_soc_dapm_path *p;
int ret;
- if (!widget_ops[widget->id].ipc_prepare || swidget->prepared)
+ if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared)
goto sink_prepare;
/* prepare the source widget */
@@ -326,7 +327,8 @@ sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget
p->walking = false;
if (ret < 0) {
/* unprepare the source widget */
- if (widget_ops[widget->id].ipc_unprepare && swidget->prepared) {
+ if (widget_ops[widget->id].ipc_unprepare &&
+ swidget && swidget->prepared) {
widget_ops[widget->id].ipc_unprepare(swidget);
swidget->prepared = false;
}
diff --git a/tools/testing/selftests/cgroup/test_cpuset_prs.sh b/tools/testing/selftests/cgroup/test_cpuset_prs.sh
index 526d2c42d870..a503244852e4 100755
--- a/tools/testing/selftests/cgroup/test_cpuset_prs.sh
+++ b/tools/testing/selftests/cgroup/test_cpuset_prs.sh
@@ -254,6 +254,7 @@ TEST_MATRIX=(
# Taking away all CPUs from parent or itself if there are tasks
# will make the partition invalid.
" S+ C2-3:P1:S+ C3:P1 . . T C2-3 . . 0 A1:2-3,A2:2-3 A1:P1,A2:P-1"
+ " S+ C3:P1:S+ C3 . . T P1 . . 0 A1:3,A2:3 A1:P1,A2:P-1"
" S+ $SETUP_A123_PARTITIONS . T:C2-3 . . . 0 A1:2-3,A2:2-3,A3:3 A1:P1,A2:P-1,A3:P-1"
" S+ $SETUP_A123_PARTITIONS . T:C2-3:C1-3 . . . 0 A1:1,A2:2,A3:3 A1:P1,A2:P1,A3:P1"
diff --git a/tools/testing/selftests/filesystems/fat/run_fat_tests.sh b/tools/testing/selftests/filesystems/fat/run_fat_tests.sh
old mode 100644
new mode 100755
diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh
index dc932fd65363..640bc43452fa 100755
--- a/tools/testing/selftests/net/udpgso_bench.sh
+++ b/tools/testing/selftests/net/udpgso_bench.sh
@@ -7,6 +7,7 @@ readonly GREEN='\033[0;92m'
readonly YELLOW='\033[0;33m'
readonly RED='\033[0;31m'
readonly NC='\033[0m' # No Color
+readonly TESTPORT=8000
readonly KSFT_PASS=0
readonly KSFT_FAIL=1
@@ -56,11 +57,26 @@ trap wake_children EXIT
run_one() {
local -r args=$@
+ local nr_socks=0
+ local i=0
+ local -r timeout=10
+
+ ./udpgso_bench_rx -p "$TESTPORT" &
+ ./udpgso_bench_rx -p "$TESTPORT" -t &
+
+ # Wait for the above test program to get ready to receive connections.
+ while [ "$i" -lt "$timeout" ]; do
+ nr_socks="$(ss -lnHi | grep -c "\*:${TESTPORT}")"
+ [ "$nr_socks" -eq 2 ] && break
+ i=$((i + 1))
+ sleep 1
+ done
+ if [ "$nr_socks" -ne 2 ]; then
+ echo "timed out while waiting for udpgso_bench_rx"
+ exit 1
+ fi
- ./udpgso_bench_rx &
- ./udpgso_bench_rx -t &
-
- ./udpgso_bench_tx ${args}
+ ./udpgso_bench_tx -p "$TESTPORT" ${args}
}
run_in_netns() {
diff --git a/tools/testing/selftests/net/udpgso_bench_rx.c b/tools/testing/selftests/net/udpgso_bench_rx.c
index 6a193425c367..4058c7451e70 100644
--- a/tools/testing/selftests/net/udpgso_bench_rx.c
+++ b/tools/testing/selftests/net/udpgso_bench_rx.c
@@ -250,7 +250,7 @@ static int recv_msg(int fd, char *buf, int len, int *gso_size)
static void do_flush_udp(int fd)
{
static char rbuf[ETH_MAX_MTU];
- int ret, len, gso_size, budget = 256;
+ int ret, len, gso_size = 0, budget = 256;
len = cfg_read_all ? sizeof(rbuf) : 0;
while (budget--) {
@@ -336,6 +336,8 @@ static void parse_opts(int argc, char **argv)
cfg_verify = true;
cfg_read_all = true;
break;
+ default:
+ exit(1);
}
}
diff --git a/tools/testing/selftests/net/udpgso_bench_tx.c b/tools/testing/selftests/net/udpgso_bench_tx.c
index f1fdaa270291..477392715a9a 100644
--- a/tools/testing/selftests/net/udpgso_bench_tx.c
+++ b/tools/testing/selftests/net/udpgso_bench_tx.c
@@ -62,6 +62,7 @@ static int cfg_payload_len = (1472 * 42);
static int cfg_port = 8000;
static int cfg_runtime_ms = -1;
static bool cfg_poll;
+static int cfg_poll_loop_timeout_ms = 2000;
static bool cfg_segment;
static bool cfg_sendmmsg;
static bool cfg_tcp;
@@ -235,16 +236,17 @@ static void flush_errqueue_recv(int fd)
}
}
-static void flush_errqueue(int fd, const bool do_poll)
+static void flush_errqueue(int fd, const bool do_poll,
+ unsigned long poll_timeout, const bool poll_err)
{
if (do_poll) {
struct pollfd fds = {0};
int ret;
fds.fd = fd;
- ret = poll(&fds, 1, 500);
+ ret = poll(&fds, 1, poll_timeout);
if (ret == 0) {
- if (cfg_verbose)
+ if ((cfg_verbose) && (poll_err))
fprintf(stderr, "poll timeout\n");
} else if (ret < 0) {
error(1, errno, "poll");
@@ -254,6 +256,20 @@ static void flush_errqueue(int fd, const bool do_poll)
flush_errqueue_recv(fd);
}
+static void flush_errqueue_retry(int fd, unsigned long num_sends)
+{
+ unsigned long tnow, tstop;
+ bool first_try = true;
+
+ tnow = gettimeofday_ms();
+ tstop = tnow + cfg_poll_loop_timeout_ms;
+ do {
+ flush_errqueue(fd, true, tstop - tnow, first_try);
+ first_try = false;
+ tnow = gettimeofday_ms();
+ } while ((stat_zcopies != num_sends) && (tnow < tstop));
+}
+
static int send_tcp(int fd, char *data)
{
int ret, done = 0, count = 0;
@@ -413,7 +429,8 @@ static int send_udp_segment(int fd, char *data)
static void usage(const char *filepath)
{
- error(1, 0, "Usage: %s [-46acmHPtTuvz] [-C cpu] [-D dst ip] [-l secs] [-M messagenr] [-p port] [-s sendsize] [-S gsosize]",
+ error(1, 0, "Usage: %s [-46acmHPtTuvz] [-C cpu] [-D dst ip] [-l secs] "
+ "[-L secs] [-M messagenr] [-p port] [-s sendsize] [-S gsosize]",
filepath);
}
@@ -423,7 +440,7 @@ static void parse_opts(int argc, char **argv)
int max_len, hdrlen;
int c;
- while ((c = getopt(argc, argv, "46acC:D:Hl:mM:p:s:PS:tTuvz")) != -1) {
+ while ((c = getopt(argc, argv, "46acC:D:Hl:L:mM:p:s:PS:tTuvz")) != -1) {
switch (c) {
case '4':
if (cfg_family != PF_UNSPEC)
@@ -452,6 +469,9 @@ static void parse_opts(int argc, char **argv)
case 'l':
cfg_runtime_ms = strtoul(optarg, NULL, 10) * 1000;
break;
+ case 'L':
+ cfg_poll_loop_timeout_ms = strtoul(optarg, NULL, 10) * 1000;
+ break;
case 'm':
cfg_sendmmsg = true;
break;
@@ -490,6 +510,8 @@ static void parse_opts(int argc, char **argv)
case 'z':
cfg_zerocopy = true;
break;
+ default:
+ exit(1);
}
}
@@ -677,7 +699,7 @@ int main(int argc, char **argv)
num_sends += send_udp(fd, buf[i]);
num_msgs++;
if ((cfg_zerocopy && ((num_msgs & 0xF) == 0)) || cfg_tx_tstamp)
- flush_errqueue(fd, cfg_poll);
+ flush_errqueue(fd, cfg_poll, 500, true);
if (cfg_msg_nr && num_msgs >= cfg_msg_nr)
break;
@@ -696,7 +718,7 @@ int main(int argc, char **argv)
} while (!interrupted && (cfg_runtime_ms == -1 || tnow < tstop));
if (cfg_zerocopy || cfg_tx_tstamp)
- flush_errqueue(fd, true);
+ flush_errqueue_retry(fd, num_sends);
if (close(fd))
error(1, errno, "close");
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