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Message-ID: <20170126074827.GB16737@kroah.com>
Date: Thu, 26 Jan 2017 08:48:27 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.4.45
diff --git a/Documentation/devicetree/bindings/clock/imx31-clock.txt b/Documentation/devicetree/bindings/clock/imx31-clock.txt
index 19df842c694f..8163d565f697 100644
--- a/Documentation/devicetree/bindings/clock/imx31-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx31-clock.txt
@@ -77,7 +77,7 @@ Examples:
clks: ccm@...80000{
compatible = "fsl,imx31-ccm";
reg = <0x53f80000 0x4000>;
- interrupts = <0 31 0x04 0 53 0x04>;
+ interrupts = <31>, <53>;
#clock-cells = <1>;
};
diff --git a/Makefile b/Makefile
index d6a1de0e2bd7..a3dfc73da722 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 44
+SUBLEVEL = 45
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index 4f935ad9f27b..6881757b03e8 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -85,6 +85,7 @@
#size-cells = <1>;
compatible = "m25p64";
spi-max-frequency = <30000000>;
+ m25p,fast-read;
reg = <0>;
partition@0 {
label = "U-Boot-SPL";
diff --git a/arch/arm/boot/dts/imx31.dtsi b/arch/arm/boot/dts/imx31.dtsi
index 5fdb222636a7..cbe5fd5ed179 100644
--- a/arch/arm/boot/dts/imx31.dtsi
+++ b/arch/arm/boot/dts/imx31.dtsi
@@ -30,11 +30,11 @@
};
};
- avic: avic-interrupt-controller@...00000 {
+ avic: interrupt-controller@...00000 {
compatible = "fsl,imx31-avic", "fsl,avic";
interrupt-controller;
#interrupt-cells = <1>;
- reg = <0x60000000 0x100000>;
+ reg = <0x68000000 0x100000>;
};
soc {
@@ -110,13 +110,6 @@
interrupts = <19>;
clocks = <&clks 25>;
};
-
- clks: ccm@...80000{
- compatible = "fsl,imx31-ccm";
- reg = <0x53f80000 0x4000>;
- interrupts = <0 31 0x04 0 53 0x04>;
- #clock-cells = <1>;
- };
};
aips@...00000 { /* AIPS2 */
@@ -126,6 +119,13 @@
reg = <0x53f00000 0x100000>;
ranges;
+ clks: ccm@...80000{
+ compatible = "fsl,imx31-ccm";
+ reg = <0x53f80000 0x4000>;
+ interrupts = <31>, <53>;
+ #clock-cells = <1>;
+ };
+
gpt: timer@...90000 {
compatible = "fsl,imx31-gpt";
reg = <0x53f90000 0x4000>;
diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi
index a35d54fd9cd3..ddfdb75a6e90 100644
--- a/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi
@@ -319,8 +319,6 @@
compatible = "fsl,imx6q-nitrogen6_max-sgtl5000",
"fsl,imx-audio-sgtl5000";
model = "imx6q-nitrogen6_max-sgtl5000";
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_sgtl5000>;
ssi-controller = <&ssi1>;
audio-codec = <&codec>;
audio-routing =
@@ -401,6 +399,8 @@
codec: sgtl5000@0a {
compatible = "fsl,sgtl5000";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sgtl5000>;
reg = <0x0a>;
clocks = <&clks 201>;
VDDA-supply = <®_2p5v>;
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index 85e374f873ac..e9d04f475929 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -81,6 +81,9 @@
#define ARM_CPU_XSCALE_ARCH_V2 0x4000
#define ARM_CPU_XSCALE_ARCH_V3 0x6000
+/* Qualcomm implemented cores */
+#define ARM_CPU_PART_SCORPION 0x510002d0
+
extern unsigned int processor_id;
#ifdef CONFIG_CPU_CP15
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 6284779d64ee..abcbea1ae30b 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -1066,6 +1066,22 @@ static int __init arch_hw_breakpoint_init(void)
return 0;
}
+ /*
+ * Scorpion CPUs (at least those in APQ8060) seem to set DBGPRSR.SPD
+ * whenever a WFI is issued, even if the core is not powered down, in
+ * violation of the architecture. When DBGPRSR.SPD is set, accesses to
+ * breakpoint and watchpoint registers are treated as undefined, so
+ * this results in boot time and runtime failures when these are
+ * accessed and we unexpectedly take a trap.
+ *
+ * It's not clear if/how this can be worked around, so we blacklist
+ * Scorpion CPUs to avoid these issues.
+ */
+ if (read_cpuid_part() == ARM_CPU_PART_SCORPION) {
+ pr_info("Scorpion CPU detected. Hardware breakpoints and watchpoints disabled\n");
+ return 0;
+ }
+
has_ossr = core_has_os_save_restore();
/* Determine how many BRPs/WRPs are available. */
diff --git a/arch/arm/kernel/smp_tlb.c b/arch/arm/kernel/smp_tlb.c
index 2e72be4f623e..7cb079e74010 100644
--- a/arch/arm/kernel/smp_tlb.c
+++ b/arch/arm/kernel/smp_tlb.c
@@ -9,6 +9,7 @@
*/
#include <linux/preempt.h>
#include <linux/smp.h>
+#include <linux/uaccess.h>
#include <asm/smp_plat.h>
#include <asm/tlbflush.h>
@@ -40,8 +41,11 @@ static inline void ipi_flush_tlb_mm(void *arg)
static inline void ipi_flush_tlb_page(void *arg)
{
struct tlb_args *ta = (struct tlb_args *)arg;
+ unsigned int __ua_flags = uaccess_save_and_enable();
local_flush_tlb_page(ta->ta_vma, ta->ta_start);
+
+ uaccess_restore(__ua_flags);
}
static inline void ipi_flush_tlb_kernel_page(void *arg)
@@ -54,8 +58,11 @@ static inline void ipi_flush_tlb_kernel_page(void *arg)
static inline void ipi_flush_tlb_range(void *arg)
{
struct tlb_args *ta = (struct tlb_args *)arg;
+ unsigned int __ua_flags = uaccess_save_and_enable();
local_flush_tlb_range(ta->ta_vma, ta->ta_start, ta->ta_end);
+
+ uaccess_restore(__ua_flags);
}
static inline void ipi_flush_tlb_kernel_range(void *arg)
diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c
index 8538910db202..a970e7fcba9e 100644
--- a/arch/arm/mach-ux500/pm.c
+++ b/arch/arm/mach-ux500/pm.c
@@ -134,8 +134,8 @@ bool prcmu_pending_irq(void)
*/
bool prcmu_is_cpu_in_wfi(int cpu)
{
- return readl(PRCM_ARM_WFI_STANDBY) & cpu ? PRCM_ARM_WFI_STANDBY_WFI1 :
- PRCM_ARM_WFI_STANDBY_WFI0;
+ return readl(PRCM_ARM_WFI_STANDBY) &
+ (cpu ? PRCM_ARM_WFI_STANDBY_WFI1 : PRCM_ARM_WFI_STANDBY_WFI0);
}
/*
diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h
index 208db3df135a..3378238b5d8b 100644
--- a/arch/arm64/include/uapi/asm/ptrace.h
+++ b/arch/arm64/include/uapi/asm/ptrace.h
@@ -76,6 +76,7 @@ struct user_fpsimd_state {
__uint128_t vregs[32];
__u32 fpsr;
__u32 fpcr;
+ __u32 __reserved[2];
};
struct user_hwdebug_state {
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 5a3753d09e20..bd14849beb73 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -562,7 +562,7 @@ el0_inv:
mov x0, sp
mov x1, #BAD_SYNC
mov x2, x25
- bl bad_mode
+ bl bad_el0_sync
b ret_to_user
ENDPROC(el0_sync)
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index fc779ec6f051..55909b2208cc 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -450,6 +450,8 @@ static int hw_break_set(struct task_struct *target,
/* (address, ctrl) registers */
limit = regset->n * regset->size;
while (count && offset < limit) {
+ if (count < PTRACE_HBP_ADDR_SZ)
+ return -EINVAL;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &addr,
offset, offset + PTRACE_HBP_ADDR_SZ);
if (ret)
@@ -459,6 +461,8 @@ static int hw_break_set(struct task_struct *target,
return ret;
offset += PTRACE_HBP_ADDR_SZ;
+ if (!count)
+ break;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ctrl,
offset, offset + PTRACE_HBP_CTRL_SZ);
if (ret)
@@ -495,7 +499,7 @@ static int gpr_set(struct task_struct *target, const struct user_regset *regset,
const void *kbuf, const void __user *ubuf)
{
int ret;
- struct user_pt_regs newregs;
+ struct user_pt_regs newregs = task_pt_regs(target)->user_regs;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &newregs, 0, -1);
if (ret)
@@ -525,7 +529,8 @@ static int fpr_set(struct task_struct *target, const struct user_regset *regset,
const void *kbuf, const void __user *ubuf)
{
int ret;
- struct user_fpsimd_state newstate;
+ struct user_fpsimd_state newstate =
+ target->thread.fpsimd_state.user_fpsimd;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &newstate, 0, -1);
if (ret)
@@ -549,7 +554,7 @@ static int tls_set(struct task_struct *target, const struct user_regset *regset,
const void *kbuf, const void __user *ubuf)
{
int ret;
- unsigned long tls;
+ unsigned long tls = target->thread.tp_value;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &tls, 0, -1);
if (ret)
@@ -575,7 +580,8 @@ static int system_call_set(struct task_struct *target,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
- int syscallno, ret;
+ int syscallno = task_pt_regs(target)->syscallno;
+ int ret;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &syscallno, 0, -1);
if (ret)
@@ -847,7 +853,7 @@ static int compat_tls_set(struct task_struct *target,
const void __user *ubuf)
{
int ret;
- compat_ulong_t tls;
+ compat_ulong_t tls = target->thread.tp_value;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &tls, 0, -1);
if (ret)
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index e9b9b5364393..ca7f0ac5f708 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -434,16 +434,33 @@ const char *esr_get_class_string(u32 esr)
}
/*
- * bad_mode handles the impossible case in the exception vector.
+ * bad_mode handles the impossible case in the exception vector. This is always
+ * fatal.
*/
asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr)
{
- siginfo_t info;
- void __user *pc = (void __user *)instruction_pointer(regs);
console_verbose();
pr_crit("Bad mode in %s handler detected, code 0x%08x -- %s\n",
handler[reason], esr, esr_get_class_string(esr));
+
+ die("Oops - bad mode", regs, 0);
+ local_irq_disable();
+ panic("bad mode");
+}
+
+/*
+ * bad_el0_sync handles unexpected, but potentially recoverable synchronous
+ * exceptions taken from EL0. Unlike bad_mode, this returns.
+ */
+asmlinkage void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr)
+{
+ siginfo_t info;
+ void __user *pc = (void __user *)instruction_pointer(regs);
+ console_verbose();
+
+ pr_crit("Bad EL0 synchronous exception detected on CPU%d, code 0x%08x -- %s\n",
+ smp_processor_id(), esr, esr_get_class_string(esr));
__show_regs(regs);
info.si_signo = SIGILL;
@@ -451,7 +468,10 @@ asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr)
info.si_code = ILL_ILLOPC;
info.si_addr = pc;
- arm64_notify_die("Oops - bad mode", regs, &info, 0);
+ current->thread.fault_address = 0;
+ current->thread.fault_code = 0;
+
+ force_sig_info(info.si_signo, &info, current);
}
void __pte_error(const char *file, int line, unsigned long val)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index fdb0fbfb1197..aaacbd667212 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1875,6 +1875,7 @@ static struct irq_chip ioapic_chip __read_mostly = {
.irq_ack = irq_chip_ack_parent,
.irq_eoi = ioapic_ack_level,
.irq_set_affinity = ioapic_set_affinity,
+ .irq_retrigger = irq_chip_retrigger_hierarchy,
.flags = IRQCHIP_SKIP_SET_WAKE,
};
@@ -1886,6 +1887,7 @@ static struct irq_chip ioapic_ir_chip __read_mostly = {
.irq_ack = irq_chip_ack_parent,
.irq_eoi = ioapic_ir_ack_level,
.irq_set_affinity = ioapic_set_affinity,
+ .irq_retrigger = irq_chip_retrigger_hierarchy,
.flags = IRQCHIP_SKIP_SET_WAKE,
};
diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S
index 87e1762e2bca..5d9afbcb6074 100644
--- a/arch/x86/kernel/mcount_64.S
+++ b/arch/x86/kernel/mcount_64.S
@@ -180,7 +180,8 @@ GLOBAL(ftrace_graph_call)
jmp ftrace_stub
#endif
-GLOBAL(ftrace_stub)
+/* This is weak to keep gas from relaxing the jumps */
+WEAK(ftrace_stub)
retq
END(ftrace_caller)
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 3cd69832d7f4..3961103e9176 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -114,6 +114,16 @@ static const struct dmi_system_id pci_crs_quirks[] __initconst = {
DMI_MATCH(DMI_BIOS_VERSION, "6JET85WW (1.43 )"),
},
},
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=42606 */
+ {
+ .callback = set_nouse_crs,
+ .ident = "Supermicro X8DTH",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X8DTH-i/6/iF/6F"),
+ DMI_MATCH(DMI_BIOS_VERSION, "2.0a"),
+ },
+ },
/* https://bugzilla.kernel.org/show_bug.cgi?id=15362 */
{
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index ff44082a0827..47f8aafe3344 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -482,6 +482,7 @@ static void exynos4_local_timer_stop(struct mct_clock_event_device *mevt)
if (mct_int_type == MCT_INT_SPI) {
if (evt->irq != -1)
disable_irq_nosync(evt->irq);
+ exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
} else {
disable_percpu_irq(mct_irqs[MCT_L0_IRQ]);
}
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 17ee758b419f..8250950aab8b 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -445,6 +445,9 @@ struct dma_pl330_chan {
/* for cyclic capability */
bool cyclic;
+
+ /* for runtime pm tracking */
+ bool active;
};
struct pl330_dmac {
@@ -1994,6 +1997,7 @@ static void pl330_tasklet(unsigned long data)
_stop(pch->thread);
spin_unlock(&pch->thread->dmac->lock);
power_down = true;
+ pch->active = false;
} else {
/* Make sure the PL330 Channel thread is active */
spin_lock(&pch->thread->dmac->lock);
@@ -2015,6 +2019,7 @@ static void pl330_tasklet(unsigned long data)
desc->status = PREP;
list_move_tail(&desc->node, &pch->work_list);
if (power_down) {
+ pch->active = true;
spin_lock(&pch->thread->dmac->lock);
_start(pch->thread);
spin_unlock(&pch->thread->dmac->lock);
@@ -2129,6 +2134,7 @@ static int pl330_terminate_all(struct dma_chan *chan)
unsigned long flags;
struct pl330_dmac *pl330 = pch->dmac;
LIST_HEAD(list);
+ bool power_down = false;
pm_runtime_get_sync(pl330->ddma.dev);
spin_lock_irqsave(&pch->lock, flags);
@@ -2139,6 +2145,8 @@ static int pl330_terminate_all(struct dma_chan *chan)
pch->thread->req[0].desc = NULL;
pch->thread->req[1].desc = NULL;
pch->thread->req_running = -1;
+ power_down = pch->active;
+ pch->active = false;
/* Mark all desc done */
list_for_each_entry(desc, &pch->submitted_list, node) {
@@ -2156,6 +2164,8 @@ static int pl330_terminate_all(struct dma_chan *chan)
list_splice_tail_init(&pch->completed_list, &pl330->desc_pool);
spin_unlock_irqrestore(&pch->lock, flags);
pm_runtime_mark_last_busy(pl330->ddma.dev);
+ if (power_down)
+ pm_runtime_put_autosuspend(pl330->ddma.dev);
pm_runtime_put_autosuspend(pl330->ddma.dev);
return 0;
@@ -2302,6 +2312,7 @@ static void pl330_issue_pending(struct dma_chan *chan)
* updated on work_list emptiness status.
*/
WARN_ON(list_empty(&pch->submitted_list));
+ pch->active = true;
pm_runtime_get_sync(pch->dmac->ddma.dev);
}
list_splice_tail_init(&pch->submitted_list, &pch->work_list);
diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c
index bcefb9ebb026..88be56321610 100644
--- a/drivers/hid/hid-corsair.c
+++ b/drivers/hid/hid-corsair.c
@@ -148,26 +148,36 @@ static enum led_brightness k90_backlight_get(struct led_classdev *led_cdev)
struct usb_interface *usbif = to_usb_interface(dev->parent);
struct usb_device *usbdev = interface_to_usbdev(usbif);
int brightness;
- char data[8];
+ char *data;
+
+ data = kmalloc(8, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
K90_REQUEST_STATUS,
USB_DIR_IN | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, 0, 0, data, 8,
USB_CTRL_SET_TIMEOUT);
- if (ret < 0) {
+ if (ret < 5) {
dev_warn(dev, "Failed to get K90 initial state (error %d).\n",
ret);
- return -EIO;
+ ret = -EIO;
+ goto out;
}
brightness = data[4];
if (brightness < 0 || brightness > 3) {
dev_warn(dev,
"Read invalid backlight brightness: %02hhx.\n",
data[4]);
- return -EIO;
+ ret = -EIO;
+ goto out;
}
- return brightness;
+ ret = brightness;
+out:
+ kfree(data);
+
+ return ret;
}
static enum led_brightness k90_record_led_get(struct led_classdev *led_cdev)
@@ -253,17 +263,22 @@ static ssize_t k90_show_macro_mode(struct device *dev,
struct usb_interface *usbif = to_usb_interface(dev->parent);
struct usb_device *usbdev = interface_to_usbdev(usbif);
const char *macro_mode;
- char data[8];
+ char *data;
+
+ data = kmalloc(2, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
K90_REQUEST_GET_MODE,
USB_DIR_IN | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, 0, 0, data, 2,
USB_CTRL_SET_TIMEOUT);
- if (ret < 0) {
+ if (ret < 1) {
dev_warn(dev, "Failed to get K90 initial mode (error %d).\n",
ret);
- return -EIO;
+ ret = -EIO;
+ goto out;
}
switch (data[0]) {
@@ -277,10 +292,15 @@ static ssize_t k90_show_macro_mode(struct device *dev,
default:
dev_warn(dev, "K90 in unknown mode: %02hhx.\n",
data[0]);
- return -EIO;
+ ret = -EIO;
+ goto out;
}
- return snprintf(buf, PAGE_SIZE, "%s\n", macro_mode);
+ ret = snprintf(buf, PAGE_SIZE, "%s\n", macro_mode);
+out:
+ kfree(data);
+
+ return ret;
}
static ssize_t k90_store_macro_mode(struct device *dev,
@@ -320,26 +340,36 @@ static ssize_t k90_show_current_profile(struct device *dev,
struct usb_interface *usbif = to_usb_interface(dev->parent);
struct usb_device *usbdev = interface_to_usbdev(usbif);
int current_profile;
- char data[8];
+ char *data;
+
+ data = kmalloc(8, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
K90_REQUEST_STATUS,
USB_DIR_IN | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, 0, 0, data, 8,
USB_CTRL_SET_TIMEOUT);
- if (ret < 0) {
+ if (ret < 8) {
dev_warn(dev, "Failed to get K90 initial state (error %d).\n",
ret);
- return -EIO;
+ ret = -EIO;
+ goto out;
}
current_profile = data[7];
if (current_profile < 1 || current_profile > 3) {
dev_warn(dev, "Read invalid current profile: %02hhx.\n",
data[7]);
- return -EIO;
+ ret = -EIO;
+ goto out;
}
- return snprintf(buf, PAGE_SIZE, "%d\n", current_profile);
+ ret = snprintf(buf, PAGE_SIZE, "%d\n", current_profile);
+out:
+ kfree(data);
+
+ return ret;
}
static ssize_t k90_store_current_profile(struct device *dev,
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index c007c766c61e..fc21bdbb8b32 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -113,7 +113,9 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
!(1 << ah->av.eth.stat_rate & dev->caps.stat_rate_support))
--ah->av.eth.stat_rate;
}
-
+ ah->av.eth.sl_tclass_flowlabel |=
+ cpu_to_be32((ah_attr->grh.traffic_class << 20) |
+ ah_attr->grh.flow_label);
/*
* HW requires multicast LID so we just choose one.
*/
@@ -121,7 +123,7 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
ah->av.ib.dlid = cpu_to_be16(0xc000);
memcpy(ah->av.eth.dgid, ah_attr->grh.dgid.raw, 16);
- ah->av.eth.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 29);
+ ah->av.eth.sl_tclass_flowlabel |= cpu_to_be32(ah_attr->sl << 29);
return &ah->ibah;
}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 97d6878f9938..77ddf2fa8625 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -630,9 +630,11 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port,
if (err)
goto out;
- props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ?
- IB_WIDTH_4X : IB_WIDTH_1X;
- props->active_speed = IB_SPEED_QDR;
+ props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ||
+ (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ?
+ IB_WIDTH_4X : IB_WIDTH_1X;
+ props->active_speed = (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ?
+ IB_SPEED_FDR : IB_SPEED_QDR;
props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS;
props->gid_tbl_len = mdev->dev->caps.gid_table_len[port];
props->max_msg_sz = mdev->dev->caps.max_msg_sz;
@@ -2401,14 +2403,19 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
goto err_steer_qp_release;
}
- bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count);
-
- err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE(
- dev, ibdev->steer_qpn_base,
- ibdev->steer_qpn_base +
- ibdev->steer_qpn_count - 1);
- if (err)
- goto err_steer_free_bitmap;
+ if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB) {
+ bitmap_zero(ibdev->ib_uc_qpns_bitmap,
+ ibdev->steer_qpn_count);
+ err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE(
+ dev, ibdev->steer_qpn_base,
+ ibdev->steer_qpn_base +
+ ibdev->steer_qpn_count - 1);
+ if (err)
+ goto err_steer_free_bitmap;
+ } else {
+ bitmap_fill(ibdev->ib_uc_qpns_bitmap,
+ ibdev->steer_qpn_count);
+ }
}
for (j = 1; j <= ibdev->dev->caps.num_ports; j++)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index f350f2d61c15..1c8b7c22c822 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1207,7 +1207,8 @@ int mlx4_ib_destroy_qp(struct ib_qp *qp)
if (is_qp0(dev, mqp))
mlx4_CLOSE_PORT(dev->dev, mqp->port);
- if (dev->qp1_proxy[mqp->port - 1] == mqp) {
+ if (mqp->mlx4_ib_qp_type == MLX4_IB_QPT_PROXY_GSI &&
+ dev->qp1_proxy[mqp->port - 1] == mqp) {
mutex_lock(&dev->qp1_proxy_lock[mqp->port - 1]);
dev->qp1_proxy[mqp->port - 1] = NULL;
mutex_unlock(&dev->qp1_proxy_lock[mqp->port - 1]);
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 6000f7aeede9..3399271c235b 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -614,6 +614,33 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
return 0;
}
+static void wait_for_async_commands(struct mlx5_ib_dev *dev)
+{
+ struct mlx5_mr_cache *cache = &dev->cache;
+ struct mlx5_cache_ent *ent;
+ int total = 0;
+ int i;
+ int j;
+
+ for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
+ ent = &cache->ent[i];
+ for (j = 0 ; j < 1000; j++) {
+ if (!ent->pending)
+ break;
+ msleep(50);
+ }
+ }
+ for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
+ ent = &cache->ent[i];
+ total += ent->pending;
+ }
+
+ if (total)
+ mlx5_ib_warn(dev, "aborted while there are %d pending mr requests\n", total);
+ else
+ mlx5_ib_warn(dev, "done with all pending requests\n");
+}
+
int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
{
int i;
@@ -627,6 +654,7 @@ int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
clean_keys(dev, i);
destroy_workqueue(dev->cache.wq);
+ wait_for_async_commands(dev);
del_timer_sync(&dev->delay_timer);
return 0;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 8ca75af0e6d1..de5e2b01ab05 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1035,8 +1035,6 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_
tx_qp = ib_create_qp(priv->pd, &attr);
if (PTR_ERR(tx_qp) == -EINVAL) {
- ipoib_warn(priv, "can't use GFP_NOIO for QPs on device %s, using GFP_KERNEL\n",
- priv->ca->name);
attr.create_flags &= ~IB_QP_CREATE_USE_GFP_NOIO;
tx_qp = ib_create_qp(priv->pd, &attr);
}
diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c
index cff63e511e6d..b8f3d9fa66e9 100644
--- a/drivers/media/platform/blackfin/ppi.c
+++ b/drivers/media/platform/blackfin/ppi.c
@@ -214,6 +214,8 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
if (params->dlen > 24 || params->dlen <= 0)
return -EINVAL;
pctrl = devm_pinctrl_get(ppi->dev);
+ if (IS_ERR(pctrl))
+ return PTR_ERR(pctrl);
pstate = pinctrl_lookup_state(pctrl,
pin_state[(params->dlen + 7) / 8 - 1]);
if (pinctrl_select_state(pctrl, pstate))
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index 0f301903aa6f..63165d324fff 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -263,6 +263,8 @@ static void ite_set_carrier_params(struct ite_dev *dev)
if (allowance > ITE_RXDCR_MAX)
allowance = ITE_RXDCR_MAX;
+
+ use_demodulator = true;
}
}
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 44ecebd1ea8c..c8b8ac66ff7e 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -309,6 +309,9 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
cmd0 = BF_SSP(cmd->opcode, CMD0_CMD);
cmd1 = cmd->arg;
+ if (cmd->opcode == MMC_STOP_TRANSMISSION)
+ cmd0 |= BM_SSP_CMD0_APPEND_8CYC;
+
if (host->sdio_irq_en) {
ctrl0 |= BM_SSP_CTRL0_SDIO_IRQ_CHECK;
cmd0 |= BM_SSP_CMD0_CONT_CLKING_EN | BM_SSP_CMD0_SLOW_CLKING_EN;
@@ -417,8 +420,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
ssp->base + HW_SSP_BLOCK_SIZE);
}
- if ((cmd->opcode == MMC_STOP_TRANSMISSION) ||
- (cmd->opcode == SD_IO_RW_EXTENDED))
+ if (cmd->opcode == SD_IO_RW_EXTENDED)
cmd0 |= BM_SSP_CMD0_APPEND_8CYC;
cmd1 = cmd->arg;
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 289664089cf3..8f49f8aeff1a 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -527,7 +527,7 @@ config MTD_NAND_FSMC
Flexible Static Memory Controller (FSMC)
config MTD_NAND_XWAY
- tristate "Support for NAND on Lantiq XWAY SoC"
+ bool "Support for NAND on Lantiq XWAY SoC"
depends on LANTIQ && SOC_TYPE_XWAY
select MTD_NAND_PLATFORM
help
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 199a94a9c8bc..3a429f1a8002 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -110,13 +110,26 @@ static int atusb_read_reg(struct atusb *atusb, uint8_t reg)
{
struct usb_device *usb_dev = atusb->usb_dev;
int ret;
+ uint8_t *buffer;
uint8_t value;
+ buffer = kmalloc(1, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
dev_dbg(&usb_dev->dev, "atusb: reg = 0x%x\n", reg);
ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
ATUSB_REG_READ, ATUSB_REQ_FROM_DEV,
- 0, reg, &value, 1, 1000);
- return ret >= 0 ? value : ret;
+ 0, reg, buffer, 1, 1000);
+
+ if (ret >= 0) {
+ value = buffer[0];
+ kfree(buffer);
+ return value;
+ } else {
+ kfree(buffer);
+ return ret;
+ }
}
static int atusb_write_subreg(struct atusb *atusb, uint8_t reg, uint8_t mask,
@@ -517,9 +530,13 @@ static struct ieee802154_ops atusb_ops = {
static int atusb_get_and_show_revision(struct atusb *atusb)
{
struct usb_device *usb_dev = atusb->usb_dev;
- unsigned char buffer[3];
+ unsigned char *buffer;
int ret;
+ buffer = kmalloc(3, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
/* Get a couple of the ATMega Firmware values */
ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
ATUSB_ID, ATUSB_REQ_FROM_DEV, 0, 0,
@@ -535,15 +552,20 @@ static int atusb_get_and_show_revision(struct atusb *atusb)
dev_info(&usb_dev->dev, "Please update to version 0.2 or newer");
}
+ kfree(buffer);
return ret;
}
static int atusb_get_and_show_build(struct atusb *atusb)
{
struct usb_device *usb_dev = atusb->usb_dev;
- char build[ATUSB_BUILD_SIZE + 1];
+ char *build;
int ret;
+ build = kmalloc(ATUSB_BUILD_SIZE + 1, GFP_KERNEL);
+ if (!build)
+ return -ENOMEM;
+
ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
ATUSB_BUILD, ATUSB_REQ_FROM_DEV, 0, 0,
build, ATUSB_BUILD_SIZE, 1000);
@@ -552,6 +574,7 @@ static int atusb_get_and_show_build(struct atusb *atusb)
dev_info(&usb_dev->dev, "Firmware: build %s\n", build);
}
+ kfree(build);
return ret;
}
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index b5843c255263..71d9a6d1bd56 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1019,6 +1019,7 @@ void set_pcie_port_type(struct pci_dev *pdev)
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
if (!pos)
return;
+
pdev->pcie_cap = pos;
pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, ®16);
pdev->pcie_flags_reg = reg16;
@@ -1026,13 +1027,14 @@ void set_pcie_port_type(struct pci_dev *pdev)
pdev->pcie_mpss = reg16 & PCI_EXP_DEVCAP_PAYLOAD;
/*
- * A Root Port is always the upstream end of a Link. No PCIe
- * component has two Links. Two Links are connected by a Switch
- * that has a Port on each Link and internal logic to connect the
- * two Ports.
+ * A Root Port or a PCI-to-PCIe bridge is always the upstream end
+ * of a Link. No PCIe component has two Links. Two Links are
+ * connected by a Switch that has a Port on each Link and internal
+ * logic to connect the two Ports.
*/
type = pci_pcie_type(pdev);
- if (type == PCI_EXP_TYPE_ROOT_PORT)
+ if (type == PCI_EXP_TYPE_ROOT_PORT ||
+ type == PCI_EXP_TYPE_PCIE_BRIDGE)
pdev->has_secondary_link = 1;
else if (type == PCI_EXP_TYPE_UPSTREAM ||
type == PCI_EXP_TYPE_DOWNSTREAM) {
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index c44cbf46221c..3588a56aabb4 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3365,7 +3365,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
sizeof(struct ct6_dsd), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!ctx_cachep)
- goto fail_free_gid_list;
+ goto fail_free_srb_mempool;
}
ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
ctx_cachep);
@@ -3518,7 +3518,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
GFP_KERNEL);
if (!ha->loop_id_map)
- goto fail_async_pd;
+ goto fail_loop_id_map;
else {
qla2x00_set_reserved_loop_ids(ha);
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
@@ -3527,6 +3527,8 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
return 0;
+fail_loop_id_map:
+ dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
fail_async_pd:
dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
fail_ex_init_cb:
@@ -3554,6 +3556,10 @@ fail_free_ms_iocb:
dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
ha->ms_iocb = NULL;
ha->ms_iocb_dma = 0;
+
+ if (ha->sns_cmd)
+ dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
+ ha->sns_cmd, ha->sns_cmd_dma);
fail_dma_pool:
if (IS_QLA82XX(ha) || ql2xenabledif) {
dma_pool_destroy(ha->fcp_cmnd_dma_pool);
@@ -3571,10 +3577,12 @@ fail_free_nvram:
kfree(ha->nvram);
ha->nvram = NULL;
fail_free_ctx_mempool:
- mempool_destroy(ha->ctx_mempool);
+ if (ha->ctx_mempool)
+ mempool_destroy(ha->ctx_mempool);
ha->ctx_mempool = NULL;
fail_free_srb_mempool:
- mempool_destroy(ha->srb_mempool);
+ if (ha->srb_mempool)
+ mempool_destroy(ha->srb_mempool);
ha->srb_mempool = NULL;
fail_free_gid_list:
dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index e7b130a637f9..239bc9cba28c 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -274,12 +274,13 @@ static int parse_reply_info_extra(void **p, void *end,
struct ceph_mds_reply_info_parsed *info,
u64 features)
{
- if (info->head->op == CEPH_MDS_OP_GETFILELOCK)
+ u32 op = le32_to_cpu(info->head->op);
+
+ if (op == CEPH_MDS_OP_GETFILELOCK)
return parse_reply_info_filelock(p, end, info, features);
- else if (info->head->op == CEPH_MDS_OP_READDIR ||
- info->head->op == CEPH_MDS_OP_LSSNAP)
+ else if (op == CEPH_MDS_OP_READDIR || op == CEPH_MDS_OP_LSSNAP)
return parse_reply_info_dir(p, end, info, features);
- else if (info->head->op == CEPH_MDS_OP_CREATE)
+ else if (op == CEPH_MDS_OP_CREATE)
return parse_reply_info_create(p, end, info, features);
else
return -EIO;
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ebb5e37455a0..9096d44eb221 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -2083,7 +2083,6 @@ static void end_requests(struct fuse_conn *fc, struct list_head *head)
struct fuse_req *req;
req = list_entry(head->next, struct fuse_req, list);
req->out.h.error = -ECONNABORTED;
- clear_bit(FR_PENDING, &req->flags);
clear_bit(FR_SENT, &req->flags);
list_del_init(&req->list);
request_end(fc, req);
@@ -2161,6 +2160,8 @@ void fuse_abort_conn(struct fuse_conn *fc)
spin_lock(&fiq->waitq.lock);
fiq->connected = 0;
list_splice_init(&fiq->pending, &to_end2);
+ list_for_each_entry(req, &to_end2, list)
+ clear_bit(FR_PENDING, &req->flags);
while (forget_pending(fiq))
kfree(dequeue_forget(fiq, 1, NULL));
wake_up_all_locked(&fiq->waitq);
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index a60d3cc5b55d..993bb3b5f4d5 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -903,11 +903,10 @@ int simple_set_acl(struct inode *inode, struct posix_acl *acl, int type)
int error;
if (type == ACL_TYPE_ACCESS) {
- error = posix_acl_equiv_mode(acl, &inode->i_mode);
- if (error < 0)
- return 0;
- if (error == 0)
- acl = NULL;
+ error = posix_acl_update_mode(inode,
+ &inode->i_mode, &acl);
+ if (error)
+ return error;
}
inode->i_ctime = CURRENT_TIME;
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index fa9a20cc60d6..fe5e8d4970ae 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -34,6 +34,11 @@
#include <linux/slab.h>
#include "ubifs.h"
+static int try_read_node(const struct ubifs_info *c, void *buf, int type,
+ int len, int lnum, int offs);
+static int fallible_read_node(struct ubifs_info *c, const union ubifs_key *key,
+ struct ubifs_zbranch *zbr, void *node);
+
/*
* Returned codes of 'matches_name()' and 'fallible_matches_name()' functions.
* @NAME_LESS: name corresponding to the first argument is less than second
@@ -402,7 +407,19 @@ static int tnc_read_node_nm(struct ubifs_info *c, struct ubifs_zbranch *zbr,
return 0;
}
- err = ubifs_tnc_read_node(c, zbr, node);
+ if (c->replaying) {
+ err = fallible_read_node(c, &zbr->key, zbr, node);
+ /*
+ * When the node was not found, return -ENOENT, 0 otherwise.
+ * Negative return codes stay as-is.
+ */
+ if (err == 0)
+ err = -ENOENT;
+ else if (err == 1)
+ err = 0;
+ } else {
+ err = ubifs_tnc_read_node(c, zbr, node);
+ }
if (err)
return err;
@@ -2766,7 +2783,11 @@ struct ubifs_dent_node *ubifs_tnc_next_ent(struct ubifs_info *c,
if (nm->name) {
if (err) {
/* Handle collisions */
- err = resolve_collision(c, key, &znode, &n, nm);
+ if (c->replaying)
+ err = fallible_resolve_collision(c, key, &znode, &n,
+ nm, 0);
+ else
+ err = resolve_collision(c, key, &znode, &n, nm);
dbg_tnc("rc returned %d, znode %p, n %d",
err, znode, n);
if (unlikely(err < 0))
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 4605dc73def6..033fec307528 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1481,7 +1481,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
case RPC_GSS_PROC_DESTROY:
if (gss_write_verf(rqstp, rsci->mechctx, gc->gc_seq))
goto auth_err;
- rsci->h.expiry_time = get_seconds();
+ rsci->h.expiry_time = seconds_since_boot();
set_bit(CACHE_NEGATIVE, &rsci->h.flags);
if (resv->iov_len + 4 > PAGE_SIZE)
goto drop;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index ff4f01e527ec..d4e0d648bcea 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -346,8 +346,6 @@ int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt,
atomic_inc(&rdma_stat_read);
return ret;
err:
- ib_dma_unmap_sg(xprt->sc_cm_id->device,
- frmr->sg, frmr->sg_nents, frmr->direction);
svc_rdma_put_context(ctxt, 0);
svc_rdma_put_frmr(xprt, frmr);
return ret;
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index 9df61059a85d..a2fd6e79d5a5 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -95,7 +95,8 @@ static void register_python_scripting(struct scripting_ops *scripting_ops)
if (err)
die("error registering py script extension");
- scripting_context = malloc(sizeof(struct scripting_context));
+ if (scripting_context == NULL)
+ scripting_context = malloc(sizeof(*scripting_context));
}
#ifdef NO_LIBPYTHON
@@ -159,7 +160,8 @@ static void register_perl_scripting(struct scripting_ops *scripting_ops)
if (err)
die("error registering pl script extension");
- scripting_context = malloc(sizeof(struct scripting_context));
+ if (scripting_context == NULL)
+ scripting_context = malloc(sizeof(*scripting_context));
}
#ifdef NO_LIBPERL
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
index c22860ab9733..30e1ac62e8cb 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
@@ -66,7 +66,7 @@ int pmc56_overflow(void)
FAIL_IF(ebb_event_enable(&event));
- mtspr(SPRN_PMC1, pmc_sample_period(sample_period));
+ mtspr(SPRN_PMC2, pmc_sample_period(sample_period));
mtspr(SPRN_PMC5, 0);
mtspr(SPRN_PMC6, 0);
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