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Date: Wed, 26 Sep 2018 11:01:08 +0200
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 4.18.10
diff --git a/Makefile b/Makefile
index 1178348fb9ca..ffab15235ff0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 18
-SUBLEVEL = 9
+SUBLEVEL = 10
EXTRAVERSION =
NAME = Merciless Moray
@@ -225,10 +225,12 @@ no-dot-config-targets := $(clean-targets) \
cscope gtags TAGS tags help% %docs check% coccicheck \
$(version_h) headers_% archheaders archscripts \
kernelversion %src-pkg
+no-sync-config-targets := $(no-dot-config-targets) install %install
-config-targets := 0
-mixed-targets := 0
-dot-config := 1
+config-targets := 0
+mixed-targets := 0
+dot-config := 1
+may-sync-config := 1
ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
@@ -236,6 +238,16 @@ ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
endif
endif
+ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),)
+ ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),)
+ may-sync-config := 0
+ endif
+endif
+
+ifneq ($(KBUILD_EXTMOD),)
+ may-sync-config := 0
+endif
+
ifeq ($(KBUILD_EXTMOD),)
ifneq ($(filter config %config,$(MAKECMDGOALS)),)
config-targets := 1
@@ -610,7 +622,7 @@ ARCH_CFLAGS :=
include arch/$(SRCARCH)/Makefile
ifeq ($(dot-config),1)
-ifeq ($(KBUILD_EXTMOD),)
+ifeq ($(may-sync-config),1)
# Read in dependencies to all Kconfig* files, make sure to run syncconfig if
# changes are detected. This should be included after arch/$(SRCARCH)/Makefile
# because some architectures define CROSS_COMPILE there.
@@ -625,8 +637,9 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
$(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
else
-# external modules needs include/generated/autoconf.h and include/config/auto.conf
-# but do not care if they are up-to-date. Use auto.conf to trigger the test
+# External modules and some install targets need include/generated/autoconf.h
+# and include/config/auto.conf but do not care if they are up-to-date.
+# Use auto.conf to trigger the test
PHONY += include/config/auto.conf
include/config/auto.conf:
@@ -638,7 +651,7 @@ include/config/auto.conf:
echo >&2 ; \
/bin/false)
-endif # KBUILD_EXTMOD
+endif # may-sync-config
else
# Dummy target needed, because used as prerequisite
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index 4dc0b347b1ee..c2dc9d09484a 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -189,6 +189,8 @@
regulator-max-microvolt = <2950000>;
regulator-boot-on;
+ regulator-system-load = <200000>;
+ regulator-allow-set-load;
};
l21 {
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index d3db306a5a70..941b0ffd9806 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -203,6 +203,7 @@ static int __init exynos_pmu_irq_init(struct device_node *node,
NULL);
if (!domain) {
iounmap(pmu_base_addr);
+ pmu_base_addr = NULL;
return -ENOMEM;
}
diff --git a/arch/arm/mach-hisi/hotplug.c b/arch/arm/mach-hisi/hotplug.c
index a129aae72602..909bb2493781 100644
--- a/arch/arm/mach-hisi/hotplug.c
+++ b/arch/arm/mach-hisi/hotplug.c
@@ -148,13 +148,20 @@ static int hi3xxx_hotplug_init(void)
struct device_node *node;
node = of_find_compatible_node(NULL, NULL, "hisilicon,sysctrl");
- if (node) {
- ctrl_base = of_iomap(node, 0);
- id = HI3620_CTRL;
- return 0;
+ if (!node) {
+ id = ERROR_CTRL;
+ return -ENOENT;
}
- id = ERROR_CTRL;
- return -ENOENT;
+
+ ctrl_base = of_iomap(node, 0);
+ of_node_put(node);
+ if (!ctrl_base) {
+ id = ERROR_CTRL;
+ return -ENOMEM;
+ }
+
+ id = HI3620_CTRL;
+ return 0;
}
void hi3xxx_set_cpu(int cpu, bool enable)
@@ -173,11 +180,15 @@ static bool hix5hd2_hotplug_init(void)
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "hisilicon,cpuctrl");
- if (np) {
- ctrl_base = of_iomap(np, 0);
- return true;
- }
- return false;
+ if (!np)
+ return false;
+
+ ctrl_base = of_iomap(np, 0);
+ of_node_put(np);
+ if (!ctrl_base)
+ return false;
+
+ return true;
}
void hix5hd2_set_cpu(int cpu, bool enable)
@@ -219,10 +230,10 @@ void hip01_set_cpu(int cpu, bool enable)
if (!ctrl_base) {
np = of_find_compatible_node(NULL, NULL, "hisilicon,hip01-sysctrl");
- if (np)
- ctrl_base = of_iomap(np, 0);
- else
- BUG();
+ BUG_ON(!np);
+ ctrl_base = of_iomap(np, 0);
+ of_node_put(np);
+ BUG_ON(!ctrl_base);
}
if (enable) {
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 9213c966c224..ec7ea8dca777 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -331,7 +331,7 @@
reg = <0 0x11002000 0 0x400>;
interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
clocks = <&topckgen CLK_TOP_UART_SEL>,
- <&pericfg CLK_PERI_UART1_PD>;
+ <&pericfg CLK_PERI_UART0_PD>;
clock-names = "baud", "bus";
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
index 9ff848792712..78ce3979ef09 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
@@ -338,7 +338,7 @@
led@6 {
label = "apq8016-sbc:blue:bt";
gpios = <&pm8916_mpps 3 GPIO_ACTIVE_HIGH>;
- linux,default-trigger = "bt";
+ linux,default-trigger = "bluetooth-power";
default-state = "off";
};
};
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index 0298bd0d0e1a..caf112629caa 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -58,6 +58,7 @@
clocks = <&sys_clk 32>;
enable-method = "psci";
operating-points-v2 = <&cluster0_opp>;
+ #cooling-cells = <2>;
};
cpu2: cpu@100 {
@@ -77,6 +78,7 @@
clocks = <&sys_clk 33>;
enable-method = "psci";
operating-points-v2 = <&cluster1_opp>;
+ #cooling-cells = <2>;
};
};
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 33147aacdafd..dd5b4fab114f 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -670,6 +670,28 @@ static void armv8pmu_disable_event(struct perf_event *event)
raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
}
+static void armv8pmu_start(struct arm_pmu *cpu_pmu)
+{
+ unsigned long flags;
+ struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events);
+
+ raw_spin_lock_irqsave(&events->pmu_lock, flags);
+ /* Enable all counters */
+ armv8pmu_pmcr_write(armv8pmu_pmcr_read() | ARMV8_PMU_PMCR_E);
+ raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
+}
+
+static void armv8pmu_stop(struct arm_pmu *cpu_pmu)
+{
+ unsigned long flags;
+ struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events);
+
+ raw_spin_lock_irqsave(&events->pmu_lock, flags);
+ /* Disable all counters */
+ armv8pmu_pmcr_write(armv8pmu_pmcr_read() & ~ARMV8_PMU_PMCR_E);
+ raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
+}
+
static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu)
{
u32 pmovsr;
@@ -694,6 +716,11 @@ static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu)
*/
regs = get_irq_regs();
+ /*
+ * Stop the PMU while processing the counter overflows
+ * to prevent skews in group events.
+ */
+ armv8pmu_stop(cpu_pmu);
for (idx = 0; idx < cpu_pmu->num_events; ++idx) {
struct perf_event *event = cpuc->events[idx];
struct hw_perf_event *hwc;
@@ -718,6 +745,7 @@ static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu)
if (perf_event_overflow(event, &data, regs))
cpu_pmu->disable(event);
}
+ armv8pmu_start(cpu_pmu);
/*
* Handle the pending perf events.
@@ -731,28 +759,6 @@ static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu)
return IRQ_HANDLED;
}
-static void armv8pmu_start(struct arm_pmu *cpu_pmu)
-{
- unsigned long flags;
- struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events);
-
- raw_spin_lock_irqsave(&events->pmu_lock, flags);
- /* Enable all counters */
- armv8pmu_pmcr_write(armv8pmu_pmcr_read() | ARMV8_PMU_PMCR_E);
- raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
-}
-
-static void armv8pmu_stop(struct arm_pmu *cpu_pmu)
-{
- unsigned long flags;
- struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events);
-
- raw_spin_lock_irqsave(&events->pmu_lock, flags);
- /* Disable all counters */
- armv8pmu_pmcr_write(armv8pmu_pmcr_read() & ~ARMV8_PMU_PMCR_E);
- raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
-}
-
static int armv8pmu_get_event_idx(struct pmu_hw_events *cpuc,
struct perf_event *event)
{
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 5c338ce5a7fa..db5440339ab3 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -277,19 +277,22 @@ static int ptrace_hbp_set_event(unsigned int note_type,
switch (note_type) {
case NT_ARM_HW_BREAK:
- if (idx < ARM_MAX_BRP) {
- tsk->thread.debug.hbp_break[idx] = bp;
- err = 0;
- }
+ if (idx >= ARM_MAX_BRP)
+ goto out;
+ idx = array_index_nospec(idx, ARM_MAX_BRP);
+ tsk->thread.debug.hbp_break[idx] = bp;
+ err = 0;
break;
case NT_ARM_HW_WATCH:
- if (idx < ARM_MAX_WRP) {
- tsk->thread.debug.hbp_watch[idx] = bp;
- err = 0;
- }
+ if (idx >= ARM_MAX_WRP)
+ goto out;
+ idx = array_index_nospec(idx, ARM_MAX_WRP);
+ tsk->thread.debug.hbp_watch[idx] = bp;
+ err = 0;
break;
}
+out:
return err;
}
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index f206dafbb0a3..26a058d58d37 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -40,6 +40,7 @@ static char ath79_sys_type[ATH79_SYS_TYPE_LEN];
static void ath79_restart(char *command)
{
+ local_irq_disable();
ath79_device_reset_set(AR71XX_RESET_FULL_CHIP);
for (;;)
if (cpu_wait)
diff --git a/arch/mips/include/asm/mach-ath79/ath79.h b/arch/mips/include/asm/mach-ath79/ath79.h
index 441faa92c3cd..6e6c0fead776 100644
--- a/arch/mips/include/asm/mach-ath79/ath79.h
+++ b/arch/mips/include/asm/mach-ath79/ath79.h
@@ -134,6 +134,7 @@ static inline u32 ath79_pll_rr(unsigned reg)
static inline void ath79_reset_wr(unsigned reg, u32 val)
{
__raw_writel(val, ath79_reset_base + reg);
+ (void) __raw_readl(ath79_reset_base + reg); /* flush */
}
static inline u32 ath79_reset_rr(unsigned reg)
diff --git a/arch/mips/jz4740/Platform b/arch/mips/jz4740/Platform
index 28448d358c10..a2a5a85ea1f9 100644
--- a/arch/mips/jz4740/Platform
+++ b/arch/mips/jz4740/Platform
@@ -1,4 +1,4 @@
platform-$(CONFIG_MACH_INGENIC) += jz4740/
cflags-$(CONFIG_MACH_INGENIC) += -I$(srctree)/arch/mips/include/asm/mach-jz4740
load-$(CONFIG_MACH_INGENIC) += 0xffffffff80010000
-zload-$(CONFIG_MACH_INGENIC) += 0xffffffff80600000
+zload-$(CONFIG_MACH_INGENIC) += 0xffffffff81000000
diff --git a/arch/mips/loongson64/common/cs5536/cs5536_ohci.c b/arch/mips/loongson64/common/cs5536/cs5536_ohci.c
index f7c905e50dc4..92dc6bafc127 100644
--- a/arch/mips/loongson64/common/cs5536/cs5536_ohci.c
+++ b/arch/mips/loongson64/common/cs5536/cs5536_ohci.c
@@ -138,7 +138,7 @@ u32 pci_ohci_read_reg(int reg)
break;
case PCI_OHCI_INT_REG:
_rdmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), &hi, &lo);
- if ((lo & 0x00000f00) == CS5536_USB_INTR)
+ if (((lo >> PIC_YSEL_LOW_USB_SHIFT) & 0xf) == CS5536_USB_INTR)
conf_data = 1;
break;
default:
diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index 8c456fa691a5..8167ce8e0cdd 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -180,7 +180,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
if ((tbltmp->it_page_shift <= stt->page_shift) &&
(tbltmp->it_offset << tbltmp->it_page_shift ==
stt->offset << stt->page_shift) &&
- (tbltmp->it_size << tbltmp->it_page_shift ==
+ (tbltmp->it_size << tbltmp->it_page_shift >=
stt->size << stt->page_shift)) {
/*
* Reference the table to avoid races with
@@ -296,7 +296,7 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
{
struct kvmppc_spapr_tce_table *stt = NULL;
struct kvmppc_spapr_tce_table *siter;
- unsigned long npages, size;
+ unsigned long npages, size = args->size;
int ret = -ENOMEM;
int i;
@@ -304,7 +304,6 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
(args->offset + args->size > (ULLONG_MAX >> args->page_shift)))
return -EINVAL;
- size = _ALIGN_UP(args->size, PAGE_SIZE >> 3);
npages = kvmppc_tce_pages(size);
ret = kvmppc_account_memlimit(kvmppc_stt_pages(npages), true);
if (ret)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index a995513573c2..2ebd5132a29f 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -4562,6 +4562,8 @@ static int kvmppc_book3s_init_hv(void)
pr_err("KVM-HV: Cannot determine method for accessing XICS\n");
return -ENODEV;
}
+ /* presence of intc confirmed - node can be dropped again */
+ of_node_put(np);
}
#endif
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 0d539c661748..371e33ecc547 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -388,7 +388,7 @@ int opal_put_chars(uint32_t vtermno, const char *data, int total_len)
/* Closed or other error drop */
if (rc != OPAL_SUCCESS && rc != OPAL_BUSY &&
rc != OPAL_BUSY_EVENT) {
- written = total_len;
+ written += total_len;
break;
}
if (rc == OPAL_SUCCESS) {
diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c
index 80b27294c1de..ab9a0ebecc19 100644
--- a/arch/s390/crypto/paes_s390.c
+++ b/arch/s390/crypto/paes_s390.c
@@ -208,7 +208,7 @@ static int cbc_paes_crypt(struct blkcipher_desc *desc, unsigned long modifier,
walk->dst.virt.addr, walk->src.virt.addr, n);
if (k)
ret = blkcipher_walk_done(desc, walk, nbytes - k);
- if (n < k) {
+ if (k < n) {
if (__cbc_paes_set_key(ctx) != 0)
return blkcipher_walk_done(desc, walk, -EIO);
memcpy(param.key, ctx->pk.protkey, MAXPROTKEYSIZE);
diff --git a/arch/x86/kernel/eisa.c b/arch/x86/kernel/eisa.c
index f260e452e4f8..e8c8c5d78dbd 100644
--- a/arch/x86/kernel/eisa.c
+++ b/arch/x86/kernel/eisa.c
@@ -7,11 +7,17 @@
#include <linux/eisa.h>
#include <linux/io.h>
+#include <xen/xen.h>
+
static __init int eisa_bus_probe(void)
{
- void __iomem *p = ioremap(0x0FFFD9, 4);
+ void __iomem *p;
+
+ if (xen_pv_domain() && !xen_initial_domain())
+ return 0;
- if (readl(p) == 'E' + ('I'<<8) + ('S'<<16) + ('A'<<24))
+ p = ioremap(0x0FFFD9, 4);
+ if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24))
EISA_bus = 1;
iounmap(p);
return 0;
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index 946455e9cfef..1d2106d83b4e 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -177,7 +177,7 @@ static p4d_t *pti_user_pagetable_walk_p4d(unsigned long address)
if (pgd_none(*pgd)) {
unsigned long new_p4d_page = __get_free_page(gfp);
- if (!new_p4d_page)
+ if (WARN_ON_ONCE(!new_p4d_page))
return NULL;
set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(new_p4d_page)));
@@ -196,13 +196,17 @@ static p4d_t *pti_user_pagetable_walk_p4d(unsigned long address)
static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address)
{
gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO);
- p4d_t *p4d = pti_user_pagetable_walk_p4d(address);
+ p4d_t *p4d;
pud_t *pud;
+ p4d = pti_user_pagetable_walk_p4d(address);
+ if (!p4d)
+ return NULL;
+
BUILD_BUG_ON(p4d_large(*p4d) != 0);
if (p4d_none(*p4d)) {
unsigned long new_pud_page = __get_free_page(gfp);
- if (!new_pud_page)
+ if (WARN_ON_ONCE(!new_pud_page))
return NULL;
set_p4d(p4d, __p4d(_KERNPG_TABLE | __pa(new_pud_page)));
@@ -216,7 +220,7 @@ static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address)
}
if (pud_none(*pud)) {
unsigned long new_pmd_page = __get_free_page(gfp);
- if (!new_pmd_page)
+ if (WARN_ON_ONCE(!new_pmd_page))
return NULL;
set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page)));
@@ -238,9 +242,13 @@ static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address)
static __init pte_t *pti_user_pagetable_walk_pte(unsigned long address)
{
gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO);
- pmd_t *pmd = pti_user_pagetable_walk_pmd(address);
+ pmd_t *pmd;
pte_t *pte;
+ pmd = pti_user_pagetable_walk_pmd(address);
+ if (!pmd)
+ return NULL;
+
/* We can't do anything sensible if we hit a large mapping. */
if (pmd_large(*pmd)) {
WARN_ON(1);
@@ -298,6 +306,10 @@ pti_clone_pmds(unsigned long start, unsigned long end, pmdval_t clear)
p4d_t *p4d;
pud_t *pud;
+ /* Overflow check */
+ if (addr < start)
+ break;
+
pgd = pgd_offset_k(addr);
if (WARN_ON(pgd_none(*pgd)))
return;
@@ -355,6 +367,9 @@ static void __init pti_clone_p4d(unsigned long addr)
pgd_t *kernel_pgd;
user_p4d = pti_user_pagetable_walk_p4d(addr);
+ if (!user_p4d)
+ return;
+
kernel_pgd = pgd_offset_k(addr);
kernel_p4d = p4d_offset(kernel_pgd, addr);
*user_p4d = *kernel_p4d;
diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c
index f4bbb28026f8..58709e89a8ed 100644
--- a/arch/xtensa/platforms/iss/setup.c
+++ b/arch/xtensa/platforms/iss/setup.c
@@ -78,23 +78,28 @@ static struct notifier_block iss_panic_block = {
void __init platform_setup(char **p_cmdline)
{
+ static void *argv[COMMAND_LINE_SIZE / sizeof(void *)] __initdata;
+ static char cmdline[COMMAND_LINE_SIZE] __initdata;
int argc = simc_argc();
int argv_size = simc_argv_size();
if (argc > 1) {
- void **argv = alloc_bootmem(argv_size);
- char *cmdline = alloc_bootmem(argv_size);
- int i;
+ if (argv_size > sizeof(argv)) {
+ pr_err("%s: command line too long: argv_size = %d\n",
+ __func__, argv_size);
+ } else {
+ int i;
- cmdline[0] = 0;
- simc_argv((void *)argv);
+ cmdline[0] = 0;
+ simc_argv((void *)argv);
- for (i = 1; i < argc; ++i) {
- if (i > 1)
- strcat(cmdline, " ");
- strcat(cmdline, argv[i]);
+ for (i = 1; i < argc; ++i) {
+ if (i > 1)
+ strcat(cmdline, " ");
+ strcat(cmdline, argv[i]);
+ }
+ *p_cmdline = cmdline;
}
- *p_cmdline = cmdline;
}
atomic_notifier_chain_register(&panic_notifier_list, &iss_panic_block);
diff --git a/block/blk-core.c b/block/blk-core.c
index cbaca5a73f2e..f9d2e1b66e05 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -791,9 +791,13 @@ void blk_cleanup_queue(struct request_queue *q)
* make sure all in-progress dispatch are completed because
* blk_freeze_queue() can only complete all requests, and
* dispatch may still be in-progress since we dispatch requests
- * from more than one contexts
+ * from more than one contexts.
+ *
+ * No need to quiesce queue if it isn't initialized yet since
+ * blk_freeze_queue() should be enough for cases of passthrough
+ * request.
*/
- if (q->mq_ops)
+ if (q->mq_ops && blk_queue_init_done(q))
blk_mq_quiesce_queue(q);
/* for synchronous bio-based driver finish in-flight integrity i/o */
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 56c493c6cd90..f5745acc2d98 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -339,7 +339,8 @@ bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio)
return e->type->ops.mq.bio_merge(hctx, bio);
}
- if (hctx->flags & BLK_MQ_F_SHOULD_MERGE) {
+ if ((hctx->flags & BLK_MQ_F_SHOULD_MERGE) &&
+ !list_empty_careful(&ctx->rq_list)) {
/* default per sw-queue merge */
spin_lock(&ctx->lock);
ret = blk_mq_attempt_merge(q, ctx, bio);
diff --git a/block/blk-settings.c b/block/blk-settings.c
index d1de71124656..24fff4a3d08a 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -128,7 +128,7 @@ void blk_set_stacking_limits(struct queue_limits *lim)
/* Inherit limits from component devices */
lim->max_segments = USHRT_MAX;
- lim->max_discard_segments = 1;
+ lim->max_discard_segments = USHRT_MAX;
lim->max_hw_sectors = UINT_MAX;
lim->max_segment_size = UINT_MAX;
lim->max_sectors = UINT_MAX;
diff --git a/crypto/api.c b/crypto/api.c
index 0ee632bba064..7aca9f86c5f3 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -229,7 +229,7 @@ static struct crypto_alg *crypto_larval_lookup(const char *name, u32 type,
mask &= ~(CRYPTO_ALG_LARVAL | CRYPTO_ALG_DEAD);
alg = crypto_alg_lookup(name, type, mask);
- if (!alg) {
+ if (!alg && !(mask & CRYPTO_NOLOAD)) {
request_module("crypto-%s", name);
if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask &
diff --git a/drivers/base/core.c b/drivers/base/core.c
index df3e1a44707a..3aba4ad8af5c 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2809,6 +2809,9 @@ void device_shutdown(void)
{
struct device *dev, *parent;
+ wait_for_device_probe();
+ device_block_probing();
+
spin_lock(&devices_kset->list_lock);
/*
* Walk the devices list backward, shutting down each in turn.
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index f6518067aa7d..f99e5c883368 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -21,6 +21,7 @@
#define DAC960_DriverDate "21 Aug 2007"
+#include <linux/compiler.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/miscdevice.h>
@@ -6426,7 +6427,7 @@ static bool DAC960_V2_ExecuteUserCommand(DAC960_Controller_T *Controller,
return true;
}
-static int dac960_proc_show(struct seq_file *m, void *v)
+static int __maybe_unused dac960_proc_show(struct seq_file *m, void *v)
{
unsigned char *StatusMessage = "OK\n";
int ControllerNumber;
@@ -6446,14 +6447,16 @@ static int dac960_proc_show(struct seq_file *m, void *v)
return 0;
}
-static int dac960_initial_status_proc_show(struct seq_file *m, void *v)
+static int __maybe_unused dac960_initial_status_proc_show(struct seq_file *m,
+ void *v)
{
DAC960_Controller_T *Controller = (DAC960_Controller_T *)m->private;
seq_printf(m, "%.*s", Controller->InitialStatusLength, Controller->CombinedStatusBuffer);
return 0;
}
-static int dac960_current_status_proc_show(struct seq_file *m, void *v)
+static int __maybe_unused dac960_current_status_proc_show(struct seq_file *m,
+ void *v)
{
DAC960_Controller_T *Controller = (DAC960_Controller_T *) m->private;
unsigned char *StatusMessage =
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index a3397664f800..97d6856c9c0f 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -59,8 +59,6 @@ enum bt_states {
BT_STATE_RESET3,
BT_STATE_RESTART,
BT_STATE_PRINTME,
- BT_STATE_CAPABILITIES_BEGIN,
- BT_STATE_CAPABILITIES_END,
BT_STATE_LONG_BUSY /* BT doesn't get hosed :-) */
};
@@ -86,7 +84,6 @@ struct si_sm_data {
int error_retries; /* end of "common" fields */
int nonzero_status; /* hung BMCs stay all 0 */
enum bt_states complete; /* to divert the state machine */
- int BT_CAP_outreqs;
long BT_CAP_req2rsp;
int BT_CAP_retries; /* Recommended retries */
};
@@ -137,8 +134,6 @@ static char *state2txt(unsigned char state)
case BT_STATE_RESET3: return("RESET3");
case BT_STATE_RESTART: return("RESTART");
case BT_STATE_LONG_BUSY: return("LONG_BUSY");
- case BT_STATE_CAPABILITIES_BEGIN: return("CAP_BEGIN");
- case BT_STATE_CAPABILITIES_END: return("CAP_END");
}
return("BAD STATE");
}
@@ -185,7 +180,6 @@ static unsigned int bt_init_data(struct si_sm_data *bt, struct si_sm_io *io)
bt->complete = BT_STATE_IDLE; /* end here */
bt->BT_CAP_req2rsp = BT_NORMAL_TIMEOUT * USEC_PER_SEC;
bt->BT_CAP_retries = BT_NORMAL_RETRY_LIMIT;
- /* BT_CAP_outreqs == zero is a flag to read BT Capabilities */
return 3; /* We claim 3 bytes of space; ought to check SPMI table */
}
@@ -451,7 +445,7 @@ static enum si_sm_result error_recovery(struct si_sm_data *bt,
static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
{
- unsigned char status, BT_CAP[8];
+ unsigned char status;
static enum bt_states last_printed = BT_STATE_PRINTME;
int i;
@@ -504,12 +498,6 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
if (status & BT_H_BUSY) /* clear a leftover H_BUSY */
BT_CONTROL(BT_H_BUSY);
- bt->timeout = bt->BT_CAP_req2rsp;
-
- /* Read BT capabilities if it hasn't been done yet */
- if (!bt->BT_CAP_outreqs)
- BT_STATE_CHANGE(BT_STATE_CAPABILITIES_BEGIN,
- SI_SM_CALL_WITHOUT_DELAY);
BT_SI_SM_RETURN(SI_SM_IDLE);
case BT_STATE_XACTION_START:
@@ -614,37 +602,6 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
BT_STATE_CHANGE(BT_STATE_XACTION_START,
SI_SM_CALL_WITH_DELAY);
- /*
- * Get BT Capabilities, using timing of upper level state machine.
- * Set outreqs to prevent infinite loop on timeout.
- */
- case BT_STATE_CAPABILITIES_BEGIN:
- bt->BT_CAP_outreqs = 1;
- {
- unsigned char GetBT_CAP[] = { 0x18, 0x36 };
- bt->state = BT_STATE_IDLE;
- bt_start_transaction(bt, GetBT_CAP, sizeof(GetBT_CAP));
- }
- bt->complete = BT_STATE_CAPABILITIES_END;
- BT_STATE_CHANGE(BT_STATE_XACTION_START,
- SI_SM_CALL_WITH_DELAY);
-
- case BT_STATE_CAPABILITIES_END:
- i = bt_get_result(bt, BT_CAP, sizeof(BT_CAP));
- bt_init_data(bt, bt->io);
- if ((i == 8) && !BT_CAP[2]) {
- bt->BT_CAP_outreqs = BT_CAP[3];
- bt->BT_CAP_req2rsp = BT_CAP[6] * USEC_PER_SEC;
- bt->BT_CAP_retries = BT_CAP[7];
- } else
- printk(KERN_WARNING "IPMI BT: using default values\n");
- if (!bt->BT_CAP_outreqs)
- bt->BT_CAP_outreqs = 1;
- printk(KERN_WARNING "IPMI BT: req2rsp=%ld secs retries=%d\n",
- bt->BT_CAP_req2rsp / USEC_PER_SEC, bt->BT_CAP_retries);
- bt->timeout = bt->BT_CAP_req2rsp;
- return SI_SM_CALL_WITHOUT_DELAY;
-
default: /* should never occur */
return error_recovery(bt,
status,
@@ -655,6 +612,11 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
static int bt_detect(struct si_sm_data *bt)
{
+ unsigned char GetBT_CAP[] = { 0x18, 0x36 };
+ unsigned char BT_CAP[8];
+ enum si_sm_result smi_result;
+ int rv;
+
/*
* It's impossible for the BT status and interrupt registers to be
* all 1's, (assuming a properly functioning, self-initialized BMC)
@@ -665,6 +627,48 @@ static int bt_detect(struct si_sm_data *bt)
if ((BT_STATUS == 0xFF) && (BT_INTMASK_R == 0xFF))
return 1;
reset_flags(bt);
+
+ /*
+ * Try getting the BT capabilities here.
+ */
+ rv = bt_start_transaction(bt, GetBT_CAP, sizeof(GetBT_CAP));
+ if (rv) {
+ dev_warn(bt->io->dev,
+ "Can't start capabilities transaction: %d\n", rv);
+ goto out_no_bt_cap;
+ }
+
+ smi_result = SI_SM_CALL_WITHOUT_DELAY;
+ for (;;) {
+ if (smi_result == SI_SM_CALL_WITH_DELAY ||
+ smi_result == SI_SM_CALL_WITH_TICK_DELAY) {
+ schedule_timeout_uninterruptible(1);
+ smi_result = bt_event(bt, jiffies_to_usecs(1));
+ } else if (smi_result == SI_SM_CALL_WITHOUT_DELAY) {
+ smi_result = bt_event(bt, 0);
+ } else
+ break;
+ }
+
+ rv = bt_get_result(bt, BT_CAP, sizeof(BT_CAP));
+ bt_init_data(bt, bt->io);
+ if (rv < 8) {
+ dev_warn(bt->io->dev, "bt cap response too short: %d\n", rv);
+ goto out_no_bt_cap;
+ }
+
+ if (BT_CAP[2]) {
+ dev_warn(bt->io->dev, "Error fetching bt cap: %x\n", BT_CAP[2]);
+out_no_bt_cap:
+ dev_warn(bt->io->dev, "using default values\n");
+ } else {
+ bt->BT_CAP_req2rsp = BT_CAP[6] * USEC_PER_SEC;
+ bt->BT_CAP_retries = BT_CAP[7];
+ }
+
+ dev_info(bt->io->dev, "req2rsp=%ld secs retries=%d\n",
+ bt->BT_CAP_req2rsp / USEC_PER_SEC, bt->BT_CAP_retries);
+
return 0;
}
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 51832b8a2c62..7fc9612070a1 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3381,39 +3381,45 @@ int ipmi_register_smi(const struct ipmi_smi_handlers *handlers,
rv = handlers->start_processing(send_info, intf);
if (rv)
- goto out;
+ goto out_err;
rv = __bmc_get_device_id(intf, NULL, &id, NULL, NULL, i);
if (rv) {
dev_err(si_dev, "Unable to get the device id: %d\n", rv);
- goto out;
+ goto out_err_started;
}
mutex_lock(&intf->bmc_reg_mutex);
rv = __scan_channels(intf, &id);
mutex_unlock(&intf->bmc_reg_mutex);
+ if (rv)
+ goto out_err_bmc_reg;
- out:
- if (rv) {
- ipmi_bmc_unregister(intf);
- list_del_rcu(&intf->link);
- mutex_unlock(&ipmi_interfaces_mutex);
- synchronize_srcu(&ipmi_interfaces_srcu);
- cleanup_srcu_struct(&intf->users_srcu);
- kref_put(&intf->refcount, intf_free);
- } else {
- /*
- * Keep memory order straight for RCU readers. Make
- * sure everything else is committed to memory before
- * setting intf_num to mark the interface valid.
- */
- smp_wmb();
- intf->intf_num = i;
- mutex_unlock(&ipmi_interfaces_mutex);
+ /*
+ * Keep memory order straight for RCU readers. Make
+ * sure everything else is committed to memory before
+ * setting intf_num to mark the interface valid.
+ */
+ smp_wmb();
+ intf->intf_num = i;
+ mutex_unlock(&ipmi_interfaces_mutex);
- /* After this point the interface is legal to use. */
- call_smi_watchers(i, intf->si_dev);
- }
+ /* After this point the interface is legal to use. */
+ call_smi_watchers(i, intf->si_dev);
+
+ return 0;
+
+ out_err_bmc_reg:
+ ipmi_bmc_unregister(intf);
+ out_err_started:
+ if (intf->handlers->shutdown)
+ intf->handlers->shutdown(intf->send_info);
+ out_err:
+ list_del_rcu(&intf->link);
+ mutex_unlock(&ipmi_interfaces_mutex);
+ synchronize_srcu(&ipmi_interfaces_srcu);
+ cleanup_srcu_struct(&intf->users_srcu);
+ kref_put(&intf->refcount, intf_free);
return rv;
}
@@ -3504,7 +3510,8 @@ void ipmi_unregister_smi(struct ipmi_smi *intf)
}
srcu_read_unlock(&intf->users_srcu, index);
- intf->handlers->shutdown(intf->send_info);
+ if (intf->handlers->shutdown)
+ intf->handlers->shutdown(intf->send_info);
cleanup_smi_msgs(intf);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 90ec010bffbd..5faa917df1b6 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2083,18 +2083,9 @@ static int try_smi_init(struct smi_info *new_smi)
si_to_str[new_smi->io.si_type]);
WARN_ON(new_smi->io.dev->init_name != NULL);
- kfree(init_name);
-
- return 0;
-
-out_err:
- if (new_smi->intf) {
- ipmi_unregister_smi(new_smi->intf);
- new_smi->intf = NULL;
- }
+ out_err:
kfree(init_name);
-
return rv;
}
@@ -2227,6 +2218,8 @@ static void shutdown_smi(void *send_info)
kfree(smi_info->si_sm);
smi_info->si_sm = NULL;
+
+ smi_info->intf = NULL;
}
/*
@@ -2240,10 +2233,8 @@ static void cleanup_one_si(struct smi_info *smi_info)
list_del(&smi_info->link);
- if (smi_info->intf) {
+ if (smi_info->intf)
ipmi_unregister_smi(smi_info->intf);
- smi_info->intf = NULL;
- }
if (smi_info->pdev) {
if (smi_info->pdev_registered)
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 18e4650c233b..265d6a6583bc 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -181,6 +181,8 @@ struct ssif_addr_info {
struct device *dev;
struct i2c_client *client;
+ struct i2c_client *added_client;
+
struct mutex clients_mutex;
struct list_head clients;
@@ -1214,18 +1216,11 @@ static void shutdown_ssif(void *send_info)
complete(&ssif_info->wake_thread);
kthread_stop(ssif_info->thread);
}
-
- /*
- * No message can be outstanding now, we have removed the
- * upper layer and it permitted us to do so.
- */
- kfree(ssif_info);
}
static int ssif_remove(struct i2c_client *client)
{
struct ssif_info *ssif_info = i2c_get_clientdata(client);
- struct ipmi_smi *intf;
struct ssif_addr_info *addr_info;
if (!ssif_info)
@@ -1235,9 +1230,7 @@ static int ssif_remove(struct i2c_client *client)
* After this point, we won't deliver anything asychronously
* to the message handler. We can unregister ourself.
*/
- intf = ssif_info->intf;
- ssif_info->intf = NULL;
- ipmi_unregister_smi(intf);
+ ipmi_unregister_smi(ssif_info->intf);
list_for_each_entry(addr_info, &ssif_infos, link) {
if (addr_info->client == client) {
@@ -1246,6 +1239,8 @@ static int ssif_remove(struct i2c_client *client)
}
}
+ kfree(ssif_info);
+
return 0;
}
@@ -1648,15 +1643,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id)
out:
if (rv) {
- /*
- * Note that if addr_info->client is assigned, we
- * leave it. The i2c client hangs around even if we
- * return a failure here, and the failure here is not
- * propagated back to the i2c code. This seems to be
- * design intent, strange as it may be. But if we
- * don't leave it, ssif_platform_remove will not remove
- * the client like it should.
- */
+ addr_info->client = NULL;
dev_err(&client->dev, "Unable to start IPMI SSIF: %d\n", rv);
kfree(ssif_info);
}
@@ -1676,7 +1663,8 @@ static int ssif_adapter_handler(struct device *adev, void *opaque)
if (adev->type != &i2c_adapter_type)
return 0;
- i2c_new_device(to_i2c_adapter(adev), &addr_info->binfo);
+ addr_info->added_client = i2c_new_device(to_i2c_adapter(adev),
+ &addr_info->binfo);
if (!addr_info->adapter_name)
return 1; /* Only try the first I2C adapter by default. */
@@ -1849,7 +1837,7 @@ static int ssif_platform_remove(struct platform_device *dev)
return 0;
mutex_lock(&ssif_infos_mutex);
- i2c_unregister_device(addr_info->client);
+ i2c_unregister_device(addr_info->added_client);
list_del(&addr_info->link);
kfree(addr_info);
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index a5d402de5584..20724abd38bd 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -177,8 +177,15 @@ static struct clk *_of_fixed_factor_clk_setup(struct device_node *node)
clk = clk_register_fixed_factor(NULL, clk_name, parent_name, flags,
mult, div);
- if (IS_ERR(clk))
+ if (IS_ERR(clk)) {
+ /*
+ * If parent clock is not registered, registration would fail.
+ * Clear OF_POPULATED flag so that clock registration can be
+ * attempted again from probe function.
+ */
+ of_node_clear_flag(node, OF_POPULATED);
return clk;
+ }
ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
if (ret) {
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index e2ed078abd90..2d96e7966e94 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2933,6 +2933,7 @@ struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
return clk;
}
+/* keep in sync with __clk_put */
void __clk_free_clk(struct clk *clk)
{
clk_prepare_lock();
@@ -3312,6 +3313,7 @@ int __clk_get(struct clk *clk)
return 1;
}
+/* keep in sync with __clk_free_clk */
void __clk_put(struct clk *clk)
{
struct module *owner;
@@ -3345,6 +3347,7 @@ void __clk_put(struct clk *clk)
module_put(owner);
+ kfree_const(clk->con_id);
kfree(clk);
}
diff --git a/drivers/clk/imx/clk-imx6sll.c b/drivers/clk/imx/clk-imx6sll.c
index 3651c77fbabe..645d8a42007c 100644
--- a/drivers/clk/imx/clk-imx6sll.c
+++ b/drivers/clk/imx/clk-imx6sll.c
@@ -92,6 +92,7 @@ static void __init imx6sll_clocks_init(struct device_node *ccm_node)
np = of_find_compatible_node(NULL, NULL, "fsl,imx6sll-anatop");
base = of_iomap(np, 0);
+ of_node_put(np);
WARN_ON(!base);
/* Do not bypass PLLs initially */
diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c
index ba563ba50b40..9f1a40498642 100644
--- a/drivers/clk/imx/clk-imx6ul.c
+++ b/drivers/clk/imx/clk-imx6ul.c
@@ -142,6 +142,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-anatop");
base = of_iomap(np, 0);
+ of_node_put(np);
WARN_ON(!base);
clks[IMX6UL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c
index 44e4e27eddad..6f7637b19738 100644
--- a/drivers/clk/mvebu/armada-37xx-periph.c
+++ b/drivers/clk/mvebu/armada-37xx-periph.c
@@ -429,9 +429,6 @@ static u8 clk_pm_cpu_get_parent(struct clk_hw *hw)
val &= pm_cpu->mask_mux;
}
- if (val >= num_parents)
- return -EINVAL;
-
return val;
}
diff --git a/drivers/clk/tegra/clk-bpmp.c b/drivers/clk/tegra/clk-bpmp.c
index a896692b74ec..01dada561c10 100644
--- a/drivers/clk/tegra/clk-bpmp.c
+++ b/drivers/clk/tegra/clk-bpmp.c
@@ -586,9 +586,15 @@ static struct clk_hw *tegra_bpmp_clk_of_xlate(struct of_phandle_args *clkspec,
unsigned int id = clkspec->args[0], i;
struct tegra_bpmp *bpmp = data;
- for (i = 0; i < bpmp->num_clocks; i++)
- if (bpmp->clocks[i]->id == id)
- return &bpmp->clocks[i]->hw;
+ for (i = 0; i < bpmp->num_clocks; i++) {
+ struct tegra_bpmp_clk *clk = bpmp->clocks[i];
+
+ if (!clk)
+ continue;
+
+ if (clk->id == id)
+ return &clk->hw;
+ }
return NULL;
}
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index 051b8c6bae64..a9c85095bd56 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -38,6 +38,17 @@ static DEFINE_MUTEX(sev_cmd_mutex);
static struct sev_misc_dev *misc_dev;
static struct psp_device *psp_master;
+static int psp_cmd_timeout = 100;
+module_param(psp_cmd_timeout, int, 0644);
+MODULE_PARM_DESC(psp_cmd_timeout, " default timeout value, in seconds, for PSP commands");
+
+static int psp_probe_timeout = 5;
+module_param(psp_probe_timeout, int, 0644);
+MODULE_PARM_DESC(psp_probe_timeout, " default timeout value, in seconds, during PSP device probe");
+
+static bool psp_dead;
+static int psp_timeout;
+
static struct psp_device *psp_alloc_struct(struct sp_device *sp)
{
struct device *dev = sp->dev;
@@ -82,10 +93,19 @@ static irqreturn_t psp_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
-static void sev_wait_cmd_ioc(struct psp_device *psp, unsigned int *reg)
+static int sev_wait_cmd_ioc(struct psp_device *psp,
+ unsigned int *reg, unsigned int timeout)
{
- wait_event(psp->sev_int_queue, psp->sev_int_rcvd);
+ int ret;
+
+ ret = wait_event_timeout(psp->sev_int_queue,
+ psp->sev_int_rcvd, timeout * HZ);
+ if (!ret)
+ return -ETIMEDOUT;
+
*reg = ioread32(psp->io_regs + PSP_CMDRESP);
+
+ return 0;
}
static int sev_cmd_buffer_len(int cmd)
@@ -133,12 +153,15 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret)
if (!psp)
return -ENODEV;
+ if (psp_dead)
+ return -EBUSY;
+
/* Get the physical address of the command buffer */
phys_lsb = data ? lower_32_bits(__psp_pa(data)) : 0;
phys_msb = data ? upper_32_bits(__psp_pa(data)) : 0;
- dev_dbg(psp->dev, "sev command id %#x buffer 0x%08x%08x\n",
- cmd, phys_msb, phys_lsb);
+ dev_dbg(psp->dev, "sev command id %#x buffer 0x%08x%08x timeout %us\n",
+ cmd, phys_msb, phys_lsb, psp_timeout);
print_hex_dump_debug("(in): ", DUMP_PREFIX_OFFSET, 16, 2, data,
sev_cmd_buffer_len(cmd), false);
@@ -154,7 +177,18 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret)
iowrite32(reg, psp->io_regs + PSP_CMDRESP);
/* wait for command completion */
- sev_wait_cmd_ioc(psp, ®);
+ ret = sev_wait_cmd_ioc(psp, ®, psp_timeout);
+ if (ret) {
+ if (psp_ret)
+ *psp_ret = 0;
+
+ dev_err(psp->dev, "sev command %#x timed out, disabling PSP \n", cmd);
+ psp_dead = true;
+
+ return ret;
+ }
+
+ psp_timeout = psp_cmd_timeout;
if (psp_ret)
*psp_ret = reg & PSP_CMDRESP_ERR_MASK;
@@ -886,6 +920,8 @@ void psp_pci_init(void)
psp_master = sp->psp_data;
+ psp_timeout = psp_probe_timeout;
+
if (sev_get_api_version())
goto err;
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index 0f2245e1af2b..97d86dca7e85 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -1351,7 +1351,7 @@ static int sahara_register_algs(struct sahara_dev *dev)
err_sha_v3_algs:
for (j = 0; j < k; j++)
- crypto_unregister_ahash(&sha_v4_algs[j]);
+ crypto_unregister_ahash(&sha_v3_algs[j]);
err_aes_algs:
for (j = 0; j < i; j++)
@@ -1367,7 +1367,7 @@ static void sahara_unregister_algs(struct sahara_dev *dev)
for (i = 0; i < ARRAY_SIZE(aes_algs); i++)
crypto_unregister_alg(&aes_algs[i]);
- for (i = 0; i < ARRAY_SIZE(sha_v4_algs); i++)
+ for (i = 0; i < ARRAY_SIZE(sha_v3_algs); i++)
crypto_unregister_ahash(&sha_v3_algs[i]);
if (dev->version > SAHARA_VERSION_3)
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 0b5b3abe054e..e26adf67e218 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -625,7 +625,8 @@ struct devfreq *devfreq_add_device(struct device *dev,
err = device_register(&devfreq->dev);
if (err) {
mutex_unlock(&devfreq->lock);
- goto err_dev;
+ put_device(&devfreq->dev);
+ goto err_out;
}
devfreq->trans_table =
@@ -672,6 +673,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
mutex_unlock(&devfreq_list_lock);
device_unregister(&devfreq->dev);
+ devfreq = NULL;
err_dev:
if (devfreq)
kfree(devfreq);
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c
index c6589ccf1b9a..d349fedf4ab2 100644
--- a/drivers/dma/mv_xor_v2.c
+++ b/drivers/dma/mv_xor_v2.c
@@ -899,6 +899,8 @@ static int mv_xor_v2_remove(struct platform_device *pdev)
platform_msi_domain_free_irqs(&pdev->dev);
+ tasklet_kill(&xor_dev->irq_tasklet);
+
clk_disable_unprepare(xor_dev->clk);
return 0;
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index de0957fe9668..bb6dfa2e1e8a 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2257,13 +2257,14 @@ static int pl330_terminate_all(struct dma_chan *chan)
pm_runtime_get_sync(pl330->ddma.dev);
spin_lock_irqsave(&pch->lock, flags);
+
spin_lock(&pl330->lock);
_stop(pch->thread);
- spin_unlock(&pl330->lock);
-
pch->thread->req[0].desc = NULL;
pch->thread->req[1].desc = NULL;
pch->thread->req_running = -1;
+ spin_unlock(&pl330->lock);
+
power_down = pch->active;
pch->active = false;
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 2a2ccd9c78e4..8305a1ce8a9b 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -774,8 +774,9 @@ static void rcar_dmac_sync_tcr(struct rcar_dmac_chan *chan)
/* make sure all remaining data was flushed */
rcar_dmac_chcr_de_barrier(chan);
- /* back DE */
- rcar_dmac_chan_write(chan, RCAR_DMACHCR, chcr);
+ /* back DE if remain data exists */
+ if (rcar_dmac_chan_read(chan, RCAR_DMATCR))
+ rcar_dmac_chan_write(chan, RCAR_DMACHCR, chcr);
}
static void rcar_dmac_chan_halt(struct rcar_dmac_chan *chan)
diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c
index b5214c143fee..388a929baf95 100644
--- a/drivers/firmware/efi/arm-init.c
+++ b/drivers/firmware/efi/arm-init.c
@@ -259,7 +259,6 @@ void __init efi_init(void)
reserve_regions();
efi_esrt_init();
- efi_memmap_unmap();
memblock_reserve(params.mmap & PAGE_MASK,
PAGE_ALIGN(params.mmap_size +
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c
index 5889cbea60b8..4712445c3213 100644
--- a/drivers/firmware/efi/arm-runtime.c
+++ b/drivers/firmware/efi/arm-runtime.c
@@ -110,11 +110,13 @@ static int __init arm_enable_runtime_services(void)
{
u64 mapsize;
- if (!efi_enabled(EFI_BOOT)) {
+ if (!efi_enabled(EFI_BOOT) || !efi_enabled(EFI_MEMMAP)) {
pr_info("EFI services will not be available.\n");
return 0;
}
+ efi_memmap_unmap();
+
if (efi_runtime_disabled()) {
pr_info("EFI runtime services will be disabled.\n");
return 0;
diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c
index 1ab80e06e7c5..e5d80ebd72b6 100644
--- a/drivers/firmware/efi/esrt.c
+++ b/drivers/firmware/efi/esrt.c
@@ -326,7 +326,8 @@ void __init efi_esrt_init(void)
end = esrt_data + size;
pr_info("Reserving ESRT space from %pa to %pa.\n", &esrt_data, &end);
- efi_mem_reserve(esrt_data, esrt_data_size);
+ if (md.type == EFI_BOOT_SERVICES_DATA)
+ efi_mem_reserve(esrt_data, esrt_data_size);
pr_debug("esrt-init: loaded.\n");
}
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 2e33fd552899..99070e2ac3cd 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -665,6 +665,8 @@ static int pxa_gpio_probe(struct platform_device *pdev)
pchip->irq0 = irq0;
pchip->irq1 = irq1;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
gpio_reg_base = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (!gpio_reg_base)
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 1a8e20363861..a7e49fef73d4 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -92,7 +92,7 @@ struct acpi_gpio_info {
};
/* gpio suffixes used for ACPI and device tree lookup */
-static const char * const gpio_suffixes[] = { "gpios", "gpio" };
+static __maybe_unused const char * const gpio_suffixes[] = { "gpios", "gpio" };
#ifdef CONFIG_OF_GPIO
struct gpio_desc *of_find_gpio(struct device *dev,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
index c3744d89352c..ebe79bf00145 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
@@ -188,9 +188,9 @@ void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd,
*doorbell_off = kfd->doorbell_id_offset + inx;
pr_debug("Get kernel queue doorbell\n"
- " doorbell offset == 0x%08X\n"
- " kernel address == %p\n",
- *doorbell_off, (kfd->doorbell_kernel_ptr + inx));
+ " doorbell offset == 0x%08X\n"
+ " doorbell index == 0x%x\n",
+ *doorbell_off, inx);
return kfd->doorbell_kernel_ptr + inx;
}
@@ -199,7 +199,8 @@ void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr)
{
unsigned int inx;
- inx = (unsigned int)(db_addr - kfd->doorbell_kernel_ptr);
+ inx = (unsigned int)(db_addr - kfd->doorbell_kernel_ptr)
+ * sizeof(u32) / kfd->device_info->doorbell_size;
mutex_lock(&kfd->doorbell_mutex);
__clear_bit(inx, kfd->doorbell_available_index);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 1d80b4f7c681..4694386cc623 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -244,6 +244,8 @@ struct kfd_process *kfd_get_process(const struct task_struct *thread)
return ERR_PTR(-EINVAL);
process = find_process(thread);
+ if (!process)
+ return ERR_PTR(-EINVAL);
return process;
}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 8a7890b03d97..6ccd59b87403 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -497,6 +497,10 @@ static bool detect_dp(
sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT_MST;
link->type = dc_connection_mst_branch;
+ dal_ddc_service_set_transaction_type(
+ link->ddc,
+ sink_caps->transaction_type);
+
/*
* This call will initiate MST topology discovery. Which
* will detect MST ports and add new DRM connector DRM
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index d567be49c31b..b487774d8041 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1020,7 +1020,7 @@ static int pp_get_display_power_level(void *handle,
static int pp_get_current_clocks(void *handle,
struct amd_pp_clock_info *clocks)
{
- struct amd_pp_simple_clock_info simple_clocks;
+ struct amd_pp_simple_clock_info simple_clocks = { 0 };
struct pp_clock_info hw_clocks;
struct pp_hwmgr *hwmgr = handle;
int ret = 0;
@@ -1056,7 +1056,10 @@ static int pp_get_current_clocks(void *handle,
clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;
- clocks->max_clocks_state = simple_clocks.level;
+ if (simple_clocks.level == 0)
+ clocks->max_clocks_state = PP_DAL_POWERLEVEL_7;
+ else
+ clocks->max_clocks_state = simple_clocks.level;
if (0 == phm_get_current_shallow_sleep_clocks(hwmgr, &hwmgr->current_ps->hardware, &hw_clocks)) {
clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
@@ -1159,6 +1162,8 @@ static int pp_get_display_mode_validation_clocks(void *handle,
if (!hwmgr || !hwmgr->pm_en ||!clocks)
return -EINVAL;
+ clocks->level = PP_DAL_POWERLEVEL_7;
+
mutex_lock(&hwmgr->smu_lock);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DynamicPatchPowerState))
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index f8e866ceda02..77779adeef28 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -4555,12 +4555,12 @@ static int smu7_get_sclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
return -EINVAL;
dep_sclk_table = table_info->vdd_dep_on_sclk;
for (i = 0; i < dep_sclk_table->count; i++)
- clocks->clock[i] = dep_sclk_table->entries[i].clk;
+ clocks->clock[i] = dep_sclk_table->entries[i].clk * 10;
clocks->count = dep_sclk_table->count;
} else if (hwmgr->pp_table_version == PP_TABLE_V0) {
sclk_table = hwmgr->dyn_state.vddc_dependency_on_sclk;
for (i = 0; i < sclk_table->count; i++)
- clocks->clock[i] = sclk_table->entries[i].clk;
+ clocks->clock[i] = sclk_table->entries[i].clk * 10;
clocks->count = sclk_table->count;
}
@@ -4592,7 +4592,7 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
return -EINVAL;
dep_mclk_table = table_info->vdd_dep_on_mclk;
for (i = 0; i < dep_mclk_table->count; i++) {
- clocks->clock[i] = dep_mclk_table->entries[i].clk;
+ clocks->clock[i] = dep_mclk_table->entries[i].clk * 10;
clocks->latency[i] = smu7_get_mem_latency(hwmgr,
dep_mclk_table->entries[i].clk);
}
@@ -4600,7 +4600,7 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
} else if (hwmgr->pp_table_version == PP_TABLE_V0) {
mclk_table = hwmgr->dyn_state.vddc_dependency_on_mclk;
for (i = 0; i < mclk_table->count; i++)
- clocks->clock[i] = mclk_table->entries[i].clk;
+ clocks->clock[i] = mclk_table->entries[i].clk * 10;
clocks->count = mclk_table->count;
}
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
index 617557bd8c24..0adfc5392cd3 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
@@ -1605,17 +1605,17 @@ static int smu8_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type
switch (type) {
case amd_pp_disp_clock:
for (i = 0; i < clocks->count; i++)
- clocks->clock[i] = data->sys_info.display_clock[i];
+ clocks->clock[i] = data->sys_info.display_clock[i] * 10;
break;
case amd_pp_sys_clock:
table = hwmgr->dyn_state.vddc_dependency_on_sclk;
for (i = 0; i < clocks->count; i++)
- clocks->clock[i] = table->entries[i].clk;
+ clocks->clock[i] = table->entries[i].clk * 10;
break;
case amd_pp_mem_clock:
clocks->count = SMU8_NUM_NBPMEMORYCLOCK;
for (i = 0; i < clocks->count; i++)
- clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i];
+ clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i] * 10;
break;
default:
return -1;
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 963a4dba8213..9109b69cd052 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -160,7 +160,11 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
args.ustate = value;
}
+ ret = pm_runtime_get_sync(drm->dev);
+ if (IS_ERR_VALUE(ret) && ret != -EACCES)
+ return ret;
ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
+ pm_runtime_put_autosuspend(drm->dev);
if (ret < 0)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index f5d3158f0378..c7ec86d6c3c9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -908,8 +908,10 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
- if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL)))
- return ret;
+ if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) {
+ ret = -ENOMEM;
+ goto done;
+ }
ret = nouveau_cli_init(drm, name, cli);
if (ret)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
index 78597da6313a..0e372a190d3f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
@@ -23,6 +23,10 @@
#ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
#include "priv.h"
+#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
+#include <asm/dma-iommu.h>
+#endif
+
static int
nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev)
{
@@ -105,6 +109,15 @@ nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev)
unsigned long pgsize_bitmap;
int ret;
+#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
+ if (dev->archdata.mapping) {
+ struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev);
+
+ arm_iommu_detach_device(dev);
+ arm_iommu_release_mapping(mapping);
+ }
+#endif
+
if (!tdev->func->iommu_bit)
return;
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c
index a188a3959f1a..6ad827b93ae1 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c
@@ -823,7 +823,7 @@ static void s6e8aa0_read_mtp_id(struct s6e8aa0 *ctx)
int ret, i;
ret = s6e8aa0_dcs_read(ctx, 0xd1, id, ARRAY_SIZE(id));
- if (ret < ARRAY_SIZE(id) || id[0] == 0x00) {
+ if (ret < 0 || ret < ARRAY_SIZE(id) || id[0] == 0x00) {
dev_err(ctx->dev, "read id failed\n");
ctx->error = -EIO;
return;
diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c
index 5450a2db1219..2beadb3f79c2 100644
--- a/drivers/gpu/ipu-v3/ipu-csi.c
+++ b/drivers/gpu/ipu-v3/ipu-csi.c
@@ -318,13 +318,17 @@ static int mbus_code_to_bus_cfg(struct ipu_csi_bus_config *cfg, u32 mbus_code)
/*
* Fill a CSI bus config struct from mbus_config and mbus_framefmt.
*/
-static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
+static int fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
struct v4l2_mbus_config *mbus_cfg,
struct v4l2_mbus_framefmt *mbus_fmt)
{
+ int ret;
+
memset(csicfg, 0, sizeof(*csicfg));
- mbus_code_to_bus_cfg(csicfg, mbus_fmt->code);
+ ret = mbus_code_to_bus_cfg(csicfg, mbus_fmt->code);
+ if (ret < 0)
+ return ret;
switch (mbus_cfg->type) {
case V4L2_MBUS_PARALLEL:
@@ -356,6 +360,8 @@ static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
/* will never get here, keep compiler quiet */
break;
}
+
+ return 0;
}
int ipu_csi_init_interface(struct ipu_csi *csi,
@@ -365,8 +371,11 @@ int ipu_csi_init_interface(struct ipu_csi *csi,
struct ipu_csi_bus_config cfg;
unsigned long flags;
u32 width, height, data = 0;
+ int ret;
- fill_csi_bus_cfg(&cfg, mbus_cfg, mbus_fmt);
+ ret = fill_csi_bus_cfg(&cfg, mbus_cfg, mbus_fmt);
+ if (ret < 0)
+ return ret;
/* set default sensor frame width and height */
width = mbus_fmt->width;
@@ -587,11 +596,14 @@ int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
struct ipu_csi_bus_config cfg;
unsigned long flags;
u32 temp;
+ int ret;
if (vc > 3)
return -EINVAL;
- mbus_code_to_bus_cfg(&cfg, mbus_fmt->code);
+ ret = mbus_code_to_bus_cfg(&cfg, mbus_fmt->code);
+ if (ret < 0)
+ return ret;
spin_lock_irqsave(&csi->lock, flags);
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index b10fe26c4891..c9a466be7709 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1178,6 +1178,9 @@ static ssize_t vmbus_chan_attr_show(struct kobject *kobj,
if (!attribute->show)
return -EIO;
+ if (chan->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
+
return attribute->show(chan, buf);
}
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index 9bc04c50d45b..1d94ebec027b 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -1027,7 +1027,8 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
}
pm_runtime_put(&adev->dev);
- dev_info(dev, "%s initialized\n", (char *)id->data);
+ dev_info(dev, "CPU%d: ETM v%d.%d initialized\n",
+ drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf);
if (boot_enable) {
coresight_enable(drvdata->csdev);
@@ -1045,23 +1046,19 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
+#define ETM4x_AMBA_ID(pid) \
+ { \
+ .id = pid, \
+ .mask = 0x000fffff, \
+ }
+
static const struct amba_id etm4_ids[] = {
- { /* ETM 4.0 - Cortex-A53 */
- .id = 0x000bb95d,
- .mask = 0x000fffff,
- .data = "ETM 4.0",
- },
- { /* ETM 4.0 - Cortex-A57 */
- .id = 0x000bb95e,
- .mask = 0x000fffff,
- .data = "ETM 4.0",
- },
- { /* ETM 4.0 - A72, Maia, HiSilicon */
- .id = 0x000bb95a,
- .mask = 0x000fffff,
- .data = "ETM 4.0",
- },
- { 0, 0},
+ ETM4x_AMBA_ID(0x000bb95d), /* Cortex-A53 */
+ ETM4x_AMBA_ID(0x000bb95e), /* Cortex-A57 */
+ ETM4x_AMBA_ID(0x000bb95a), /* Cortex-A72 */
+ ETM4x_AMBA_ID(0x000bb959), /* Cortex-A73 */
+ ETM4x_AMBA_ID(0x000bb9da), /* Cortex-A35 */
+ {},
};
static struct amba_driver etm4x_driver = {
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index 01b7457fe8fc..459ef930d98c 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -40,8 +40,9 @@
/** register definition **/
/* FFSR - 0x300 */
-#define FFSR_FT_STOPPED BIT(1)
+#define FFSR_FT_STOPPED_BIT 1
/* FFCR - 0x304 */
+#define FFCR_FON_MAN_BIT 6
#define FFCR_FON_MAN BIT(6)
#define FFCR_STOP_FI BIT(12)
@@ -86,9 +87,9 @@ static void tpiu_disable_hw(struct tpiu_drvdata *drvdata)
/* Generate manual flush */
writel_relaxed(FFCR_STOP_FI | FFCR_FON_MAN, drvdata->base + TPIU_FFCR);
/* Wait for flush to complete */
- coresight_timeout(drvdata->base, TPIU_FFCR, FFCR_FON_MAN, 0);
+ coresight_timeout(drvdata->base, TPIU_FFCR, FFCR_FON_MAN_BIT, 0);
/* Wait for formatter to stop */
- coresight_timeout(drvdata->base, TPIU_FFSR, FFSR_FT_STOPPED, 1);
+ coresight_timeout(drvdata->base, TPIU_FFSR, FFSR_FT_STOPPED_BIT, 1);
CS_LOCK(drvdata->base);
}
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index 29e834aab539..b673718952f6 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -108,7 +108,7 @@ static int coresight_find_link_inport(struct coresight_device *csdev,
dev_err(&csdev->dev, "couldn't find inport, parent: %s, child: %s\n",
dev_name(&parent->dev), dev_name(&csdev->dev));
- return 0;
+ return -ENODEV;
}
static int coresight_find_link_outport(struct coresight_device *csdev,
@@ -126,7 +126,7 @@ static int coresight_find_link_outport(struct coresight_device *csdev,
dev_err(&csdev->dev, "couldn't find outport, parent: %s, child: %s\n",
dev_name(&csdev->dev), dev_name(&child->dev));
- return 0;
+ return -ENODEV;
}
static int coresight_enable_sink(struct coresight_device *csdev, u32 mode)
@@ -179,6 +179,9 @@ static int coresight_enable_link(struct coresight_device *csdev,
else
refport = 0;
+ if (refport < 0)
+ return refport;
+
if (atomic_inc_return(&csdev->refcnt[refport]) == 1) {
if (link_ops(csdev)->enable) {
ret = link_ops(csdev)->enable(csdev, inport, outport);
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index 715b6fdb4989..5c8ea4e9203c 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -111,22 +111,22 @@
#define ASPEED_I2CD_DEV_ADDR_MASK GENMASK(6, 0)
enum aspeed_i2c_master_state {
+ ASPEED_I2C_MASTER_INACTIVE,
ASPEED_I2C_MASTER_START,
ASPEED_I2C_MASTER_TX_FIRST,
ASPEED_I2C_MASTER_TX,
ASPEED_I2C_MASTER_RX_FIRST,
ASPEED_I2C_MASTER_RX,
ASPEED_I2C_MASTER_STOP,
- ASPEED_I2C_MASTER_INACTIVE,
};
enum aspeed_i2c_slave_state {
+ ASPEED_I2C_SLAVE_STOP,
ASPEED_I2C_SLAVE_START,
ASPEED_I2C_SLAVE_READ_REQUESTED,
ASPEED_I2C_SLAVE_READ_PROCESSED,
ASPEED_I2C_SLAVE_WRITE_REQUESTED,
ASPEED_I2C_SLAVE_WRITE_RECEIVED,
- ASPEED_I2C_SLAVE_STOP,
};
struct aspeed_i2c_bus {
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index dafcb6f019b3..2702ead01a03 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -722,6 +722,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
dgid = (union ib_gid *) &addr->sib_addr;
pkey = ntohs(addr->sib_pkey);
+ mutex_lock(&lock);
list_for_each_entry(cur_dev, &dev_list, list) {
for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
if (!rdma_cap_af_ib(cur_dev->device, p))
@@ -748,18 +749,19 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
cma_dev = cur_dev;
sgid = gid;
id_priv->id.port_num = p;
+ goto found;
}
}
}
}
-
- if (!cma_dev)
- return -ENODEV;
+ mutex_unlock(&lock);
+ return -ENODEV;
found:
cma_attach_to_dev(id_priv, cma_dev);
- addr = (struct sockaddr_ib *) cma_src_addr(id_priv);
- memcpy(&addr->sib_addr, &sgid, sizeof sgid);
+ mutex_unlock(&lock);
+ addr = (struct sockaddr_ib *)cma_src_addr(id_priv);
+ memcpy(&addr->sib_addr, &sgid, sizeof(sgid));
cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr);
return 0;
}
diff --git a/drivers/infiniband/hw/mlx5/cong.c b/drivers/infiniband/hw/mlx5/cong.c
index 985fa2637390..7e4e358a4fd8 100644
--- a/drivers/infiniband/hw/mlx5/cong.c
+++ b/drivers/infiniband/hw/mlx5/cong.c
@@ -359,9 +359,6 @@ static ssize_t get_param(struct file *filp, char __user *buf, size_t count,
int ret;
char lbuf[11];
- if (*pos)
- return 0;
-
ret = mlx5_ib_get_cc_params(param->dev, param->port_num, offset, &var);
if (ret)
return ret;
@@ -370,11 +367,7 @@ static ssize_t get_param(struct file *filp, char __user *buf, size_t count,
if (ret < 0)
return ret;
- if (copy_to_user(buf, lbuf, ret))
- return -EFAULT;
-
- *pos += ret;
- return ret;
+ return simple_read_from_buffer(buf, count, pos, lbuf, ret);
}
static const struct file_operations dbg_cc_fops = {
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 90a9c461cedc..308456d28afb 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -271,16 +271,16 @@ static ssize_t size_write(struct file *filp, const char __user *buf,
{
struct mlx5_cache_ent *ent = filp->private_data;
struct mlx5_ib_dev *dev = ent->dev;
- char lbuf[20];
+ char lbuf[20] = {0};
u32 var;
int err;
int c;
- if (copy_from_user(lbuf, buf, sizeof(lbuf)))
+ count = min(count, sizeof(lbuf) - 1);
+ if (copy_from_user(lbuf, buf, count))
return -EFAULT;
c = order2idx(dev, ent->order);
- lbuf[sizeof(lbuf) - 1] = 0;
if (sscanf(lbuf, "%u", &var) != 1)
return -EINVAL;
@@ -310,19 +310,11 @@ static ssize_t size_read(struct file *filp, char __user *buf, size_t count,
char lbuf[20];
int err;
- if (*pos)
- return 0;
-
err = snprintf(lbuf, sizeof(lbuf), "%d\n", ent->size);
if (err < 0)
return err;
- if (copy_to_user(buf, lbuf, err))
- return -EFAULT;
-
- *pos += err;
-
- return err;
+ return simple_read_from_buffer(buf, count, pos, lbuf, err);
}
static const struct file_operations size_fops = {
@@ -337,16 +329,16 @@ static ssize_t limit_write(struct file *filp, const char __user *buf,
{
struct mlx5_cache_ent *ent = filp->private_data;
struct mlx5_ib_dev *dev = ent->dev;
- char lbuf[20];
+ char lbuf[20] = {0};
u32 var;
int err;
int c;
- if (copy_from_user(lbuf, buf, sizeof(lbuf)))
+ count = min(count, sizeof(lbuf) - 1);
+ if (copy_from_user(lbuf, buf, count))
return -EFAULT;
c = order2idx(dev, ent->order);
- lbuf[sizeof(lbuf) - 1] = 0;
if (sscanf(lbuf, "%u", &var) != 1)
return -EINVAL;
@@ -372,19 +364,11 @@ static ssize_t limit_read(struct file *filp, char __user *buf, size_t count,
char lbuf[20];
int err;
- if (*pos)
- return 0;
-
err = snprintf(lbuf, sizeof(lbuf), "%d\n", ent->limit);
if (err < 0)
return err;
- if (copy_to_user(buf, lbuf, err))
- return -EFAULT;
-
- *pos += err;
-
- return err;
+ return simple_read_from_buffer(buf, count, pos, lbuf, err);
}
static const struct file_operations limit_fops = {
diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c
index dfba44a40f0b..fe45d6cad6cd 100644
--- a/drivers/infiniband/sw/rxe/rxe_recv.c
+++ b/drivers/infiniband/sw/rxe/rxe_recv.c
@@ -225,9 +225,14 @@ static int hdr_check(struct rxe_pkt_info *pkt)
goto err1;
}
+ if (unlikely(qpn == 0)) {
+ pr_warn_once("QP 0 not supported");
+ goto err1;
+ }
+
if (qpn != IB_MULTICAST_QPN) {
- index = (qpn == 0) ? port->qp_smi_index :
- ((qpn == 1) ? port->qp_gsi_index : qpn);
+ index = (qpn == 1) ? port->qp_gsi_index : qpn;
+
qp = rxe_pool_get_index(&rxe->qp_pool, index);
if (unlikely(!qp)) {
pr_warn_ratelimited("no qp matches qpn 0x%x\n", qpn);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 6535d9beb24d..a620701f9d41 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1028,12 +1028,14 @@ static int ipoib_cm_rep_handler(struct ib_cm_id *cm_id, struct ib_cm_event *even
skb_queue_head_init(&skqueue);
+ netif_tx_lock_bh(p->dev);
spin_lock_irq(&priv->lock);
set_bit(IPOIB_FLAG_OPER_UP, &p->flags);
if (p->neigh)
while ((skb = __skb_dequeue(&p->neigh->queue)))
__skb_queue_tail(&skqueue, skb);
spin_unlock_irq(&priv->lock);
+ netif_tx_unlock_bh(p->dev);
while ((skb = __skb_dequeue(&skqueue))) {
skb->dev = p->dev;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 26cde95bc0f3..7630d5ed2b41 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1787,7 +1787,8 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
goto out_free_pd;
}
- if (ipoib_neigh_hash_init(priv) < 0) {
+ ret = ipoib_neigh_hash_init(priv);
+ if (ret) {
pr_warn("%s failed to init neigh hash\n", dev->name);
goto out_dev_uninit;
}
diff --git a/drivers/input/joystick/pxrc.c b/drivers/input/joystick/pxrc.c
index 07a0dbd3ced2..cfb410cf0789 100644
--- a/drivers/input/joystick/pxrc.c
+++ b/drivers/input/joystick/pxrc.c
@@ -120,48 +120,51 @@ static void pxrc_close(struct input_dev *input)
mutex_unlock(&pxrc->pm_mutex);
}
+static void pxrc_free_urb(void *_pxrc)
+{
+ struct pxrc *pxrc = _pxrc;
+
+ usb_free_urb(pxrc->urb);
+}
+
static int pxrc_usb_init(struct pxrc *pxrc)
{
struct usb_endpoint_descriptor *epirq;
unsigned int pipe;
- int retval;
+ int error;
/* Set up the endpoint information */
/* This device only has an interrupt endpoint */
- retval = usb_find_common_endpoints(pxrc->intf->cur_altsetting,
- NULL, NULL, &epirq, NULL);
- if (retval) {
- dev_err(&pxrc->intf->dev,
- "Could not find endpoint\n");
- goto error;
+ error = usb_find_common_endpoints(pxrc->intf->cur_altsetting,
+ NULL, NULL, &epirq, NULL);
+ if (error) {
+ dev_err(&pxrc->intf->dev, "Could not find endpoint\n");
+ return error;
}
pxrc->bsize = usb_endpoint_maxp(epirq);
pxrc->epaddr = epirq->bEndpointAddress;
pxrc->data = devm_kmalloc(&pxrc->intf->dev, pxrc->bsize, GFP_KERNEL);
- if (!pxrc->data) {
- retval = -ENOMEM;
- goto error;
- }
+ if (!pxrc->data)
+ return -ENOMEM;
usb_set_intfdata(pxrc->intf, pxrc);
usb_make_path(pxrc->udev, pxrc->phys, sizeof(pxrc->phys));
strlcat(pxrc->phys, "/input0", sizeof(pxrc->phys));
pxrc->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!pxrc->urb) {
- retval = -ENOMEM;
- goto error;
- }
+ if (!pxrc->urb)
+ return -ENOMEM;
+
+ error = devm_add_action_or_reset(&pxrc->intf->dev, pxrc_free_urb, pxrc);
+ if (error)
+ return error;
pipe = usb_rcvintpipe(pxrc->udev, pxrc->epaddr),
usb_fill_int_urb(pxrc->urb, pxrc->udev, pipe, pxrc->data, pxrc->bsize,
pxrc_usb_irq, pxrc, 1);
-error:
- return retval;
-
-
+ return 0;
}
static int pxrc_input_init(struct pxrc *pxrc)
@@ -197,7 +200,7 @@ static int pxrc_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct pxrc *pxrc;
- int retval;
+ int error;
pxrc = devm_kzalloc(&intf->dev, sizeof(*pxrc), GFP_KERNEL);
if (!pxrc)
@@ -207,29 +210,20 @@ static int pxrc_probe(struct usb_interface *intf,
pxrc->udev = usb_get_dev(interface_to_usbdev(intf));
pxrc->intf = intf;
- retval = pxrc_usb_init(pxrc);
- if (retval)
- goto error;
+ error = pxrc_usb_init(pxrc);
+ if (error)
+ return error;
- retval = pxrc_input_init(pxrc);
- if (retval)
- goto err_free_urb;
+ error = pxrc_input_init(pxrc);
+ if (error)
+ return error;
return 0;
-
-err_free_urb:
- usb_free_urb(pxrc->urb);
-
-error:
- return retval;
}
static void pxrc_disconnect(struct usb_interface *intf)
{
- struct pxrc *pxrc = usb_get_intfdata(intf);
-
- usb_free_urb(pxrc->urb);
- usb_set_intfdata(intf, NULL);
+ /* All driver resources are devm-managed. */
}
static int pxrc_suspend(struct usb_interface *intf, pm_message_t message)
diff --git a/drivers/input/touchscreen/rohm_bu21023.c b/drivers/input/touchscreen/rohm_bu21023.c
index bda0500c9b57..714affdd742f 100644
--- a/drivers/input/touchscreen/rohm_bu21023.c
+++ b/drivers/input/touchscreen/rohm_bu21023.c
@@ -304,7 +304,7 @@ static int rohm_i2c_burst_read(struct i2c_client *client, u8 start, void *buf,
msg[1].len = len;
msg[1].buf = buf;
- i2c_lock_adapter(adap);
+ i2c_lock_bus(adap, I2C_LOCK_SEGMENT);
for (i = 0; i < 2; i++) {
if (__i2c_transfer(adap, &msg[i], 1) < 0) {
@@ -313,7 +313,7 @@ static int rohm_i2c_burst_read(struct i2c_client *client, u8 start, void *buf,
}
}
- i2c_unlock_adapter(adap);
+ i2c_unlock_bus(adap, I2C_LOCK_SEGMENT);
return ret;
}
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index b73c6a7bf7f2..b7076aa24d6b 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1302,6 +1302,7 @@ static irqreturn_t arm_smmu_priq_thread(int irq, void *dev)
/* Sync our overflow flag, as we believe we're up to speed */
q->cons = Q_OVF(q, q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons);
+ writel(q->cons, q->cons_reg);
return IRQ_HANDLED;
}
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 50e3a9fcf43e..b5948ba6b3b3 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -192,6 +192,7 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp,
{
struct io_pgtable_cfg *cfg = &data->iop.cfg;
struct device *dev = cfg->iommu_dev;
+ phys_addr_t phys;
dma_addr_t dma;
size_t size = ARM_V7S_TABLE_SIZE(lvl);
void *table = NULL;
@@ -200,6 +201,10 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp,
table = (void *)__get_dma_pages(__GFP_ZERO, get_order(size));
else if (lvl == 2)
table = kmem_cache_zalloc(data->l2_tables, gfp | GFP_DMA);
+ phys = virt_to_phys(table);
+ if (phys != (arm_v7s_iopte)phys)
+ /* Doesn't fit in PTE */
+ goto out_free;
if (table && !(cfg->quirks & IO_PGTABLE_QUIRK_NO_DMA)) {
dma = dma_map_single(dev, table, size, DMA_TO_DEVICE);
if (dma_mapping_error(dev, dma))
@@ -209,7 +214,7 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp,
* address directly, so if the DMA layer suggests otherwise by
* translating or truncating them, that bodes very badly...
*/
- if (dma != virt_to_phys(table))
+ if (dma != phys)
goto out_unmap;
}
kmemleak_ignore(table);
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 010a254305dd..88641b4560bc 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -237,7 +237,8 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp,
void *pages;
VM_BUG_ON((gfp & __GFP_HIGHMEM));
- p = alloc_pages_node(dev_to_node(dev), gfp | __GFP_ZERO, order);
+ p = alloc_pages_node(dev ? dev_to_node(dev) : NUMA_NO_NODE,
+ gfp | __GFP_ZERO, order);
if (!p)
return NULL;
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index feb1664815b7..6e2882cda55d 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -47,6 +47,7 @@ struct ipmmu_features {
unsigned int number_of_contexts;
bool setup_imbuscr;
bool twobit_imttbcr_sl0;
+ bool reserved_context;
};
struct ipmmu_vmsa_device {
@@ -916,6 +917,7 @@ static const struct ipmmu_features ipmmu_features_default = {
.number_of_contexts = 1, /* software only tested with one context */
.setup_imbuscr = true,
.twobit_imttbcr_sl0 = false,
+ .reserved_context = false,
};
static const struct ipmmu_features ipmmu_features_r8a7795 = {
@@ -924,6 +926,7 @@ static const struct ipmmu_features ipmmu_features_r8a7795 = {
.number_of_contexts = 8,
.setup_imbuscr = false,
.twobit_imttbcr_sl0 = true,
+ .reserved_context = true,
};
static const struct of_device_id ipmmu_of_ids[] = {
@@ -1017,6 +1020,11 @@ static int ipmmu_probe(struct platform_device *pdev)
}
ipmmu_device_reset(mmu);
+
+ if (mmu->features->reserved_context) {
+ dev_info(&pdev->dev, "IPMMU context 0 is reserved\n");
+ set_bit(0, mmu->ctx);
+ }
}
/*
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index b57f764d6a16..93ebba6dcc25 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -716,10 +716,11 @@ static int pblk_setup_line_meta_12(struct pblk *pblk, struct pblk_line *line,
/*
* In 1.2 spec. chunk state is not persisted by the device. Thus
- * some of the values are reset each time pblk is instantiated.
+ * some of the values are reset each time pblk is instantiated,
+ * so we have to assume that the block is closed.
*/
if (lun_bb_meta[line->id] == NVM_BLK_T_FREE)
- chunk->state = NVM_CHK_ST_FREE;
+ chunk->state = NVM_CHK_ST_CLOSED;
else
chunk->state = NVM_CHK_ST_OFFLINE;
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 3a5069183859..d83466b3821b 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -742,9 +742,10 @@ static int pblk_recov_check_line_version(struct pblk *pblk,
return 1;
}
-#ifdef NVM_DEBUG
+#ifdef CONFIG_NVM_PBLK_DEBUG
if (header->version_minor > EMETA_VERSION_MINOR)
- pr_info("pblk: newer line minor version found: %d\n", line_v);
+ pr_info("pblk: newer line minor version found: %d\n",
+ header->version_minor);
#endif
return 0;
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 12decdbd722d..fc65f0dedf7f 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -99,10 +99,26 @@ static int verity_hash_update(struct dm_verity *v, struct ahash_request *req,
{
struct scatterlist sg;
- sg_init_one(&sg, data, len);
- ahash_request_set_crypt(req, &sg, NULL, len);
-
- return crypto_wait_req(crypto_ahash_update(req), wait);
+ if (likely(!is_vmalloc_addr(data))) {
+ sg_init_one(&sg, data, len);
+ ahash_request_set_crypt(req, &sg, NULL, len);
+ return crypto_wait_req(crypto_ahash_update(req), wait);
+ } else {
+ do {
+ int r;
+ size_t this_step = min_t(size_t, len, PAGE_SIZE - offset_in_page(data));
+ flush_kernel_vmap_range((void *)data, this_step);
+ sg_init_table(&sg, 1);
+ sg_set_page(&sg, vmalloc_to_page(data), this_step, offset_in_page(data));
+ ahash_request_set_crypt(req, &sg, NULL, this_step);
+ r = crypto_wait_req(crypto_ahash_update(req), wait);
+ if (unlikely(r))
+ return r;
+ data += this_step;
+ len -= this_step;
+ } while (len);
+ return 0;
+ }
}
/*
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index f32ec7342ef0..5653e8eebe2b 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -1377,6 +1377,11 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb)
struct vb2_buffer *vb;
int ret;
+ if (q->error) {
+ dprintk(1, "fatal error occurred on queue\n");
+ return -EIO;
+ }
+
vb = q->bufs[index];
switch (vb->state) {
diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c
index b3f762578f7f..1722cdab0daf 100644
--- a/drivers/media/i2c/ov5645.c
+++ b/drivers/media/i2c/ov5645.c
@@ -510,8 +510,8 @@ static const struct reg_value ov5645_setting_full[] = {
};
static const s64 link_freq[] = {
- 222880000,
- 334320000
+ 224000000,
+ 336000000
};
static const struct ov5645_mode_info ov5645_mode_info_data[] = {
@@ -520,7 +520,7 @@ static const struct ov5645_mode_info ov5645_mode_info_data[] = {
.height = 960,
.data = ov5645_setting_sxga,
.data_size = ARRAY_SIZE(ov5645_setting_sxga),
- .pixel_clock = 111440000,
+ .pixel_clock = 112000000,
.link_freq = 0 /* an index in link_freq[] */
},
{
@@ -528,7 +528,7 @@ static const struct ov5645_mode_info ov5645_mode_info_data[] = {
.height = 1080,
.data = ov5645_setting_1080p,
.data_size = ARRAY_SIZE(ov5645_setting_1080p),
- .pixel_clock = 167160000,
+ .pixel_clock = 168000000,
.link_freq = 1 /* an index in link_freq[] */
},
{
@@ -536,7 +536,7 @@ static const struct ov5645_mode_info ov5645_mode_info_data[] = {
.height = 1944,
.data = ov5645_setting_full,
.data_size = ARRAY_SIZE(ov5645_setting_full),
- .pixel_clock = 167160000,
+ .pixel_clock = 168000000,
.link_freq = 1 /* an index in link_freq[] */
},
};
@@ -1145,7 +1145,8 @@ static int ov5645_probe(struct i2c_client *client,
return ret;
}
- if (xclk_freq != 23880000) {
+ /* external clock must be 24MHz, allow 1% tolerance */
+ if (xclk_freq < 23760000 || xclk_freq > 24240000) {
dev_err(dev, "external clock frequency %u is not supported\n",
xclk_freq);
return -EINVAL;
diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c
index 0ea8dd44026c..3a06c000f97b 100644
--- a/drivers/media/pci/tw686x/tw686x-video.c
+++ b/drivers/media/pci/tw686x/tw686x-video.c
@@ -1190,6 +1190,14 @@ int tw686x_video_init(struct tw686x_dev *dev)
return err;
}
+ /* Initialize vc->dev and vc->ch for the error path */
+ for (ch = 0; ch < max_channels(dev); ch++) {
+ struct tw686x_video_channel *vc = &dev->video_channels[ch];
+
+ vc->dev = dev;
+ vc->ch = ch;
+ }
+
for (ch = 0; ch < max_channels(dev); ch++) {
struct tw686x_video_channel *vc = &dev->video_channels[ch];
struct video_device *vdev;
@@ -1198,9 +1206,6 @@ int tw686x_video_init(struct tw686x_dev *dev)
spin_lock_init(&vc->qlock);
INIT_LIST_HEAD(&vc->vidq_queued);
- vc->dev = dev;
- vc->ch = ch;
-
/* default settings */
err = tw686x_set_standard(vc, V4L2_STD_NTSC);
if (err)
diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
index 84e313107233..7b9052ea7413 100644
--- a/drivers/mfd/88pm860x-i2c.c
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -146,14 +146,14 @@ int pm860x_page_reg_write(struct i2c_client *i2c, int reg,
unsigned char zero;
int ret;
- i2c_lock_adapter(i2c->adapter);
+ i2c_lock_bus(i2c->adapter, I2C_LOCK_SEGMENT);
read_device(i2c, 0xFA, 0, &zero);
read_device(i2c, 0xFB, 0, &zero);
read_device(i2c, 0xFF, 0, &zero);
ret = write_device(i2c, reg, 1, &data);
read_device(i2c, 0xFE, 0, &zero);
read_device(i2c, 0xFC, 0, &zero);
- i2c_unlock_adapter(i2c->adapter);
+ i2c_unlock_bus(i2c->adapter, I2C_LOCK_SEGMENT);
return ret;
}
EXPORT_SYMBOL(pm860x_page_reg_write);
@@ -164,14 +164,14 @@ int pm860x_page_bulk_read(struct i2c_client *i2c, int reg,
unsigned char zero = 0;
int ret;
- i2c_lock_adapter(i2c->adapter);
+ i2c_lock_bus(i2c->adapter, I2C_LOCK_SEGMENT);
read_device(i2c, 0xfa, 0, &zero);
read_device(i2c, 0xfb, 0, &zero);
read_device(i2c, 0xff, 0, &zero);
ret = read_device(i2c, reg, count, buf);
read_device(i2c, 0xFE, 0, &zero);
read_device(i2c, 0xFC, 0, &zero);
- i2c_unlock_adapter(i2c->adapter);
+ i2c_unlock_bus(i2c->adapter, I2C_LOCK_SEGMENT);
return ret;
}
EXPORT_SYMBOL(pm860x_page_bulk_read);
diff --git a/drivers/misc/hmc6352.c b/drivers/misc/hmc6352.c
index eeb7eef62174..38f90e179927 100644
--- a/drivers/misc/hmc6352.c
+++ b/drivers/misc/hmc6352.c
@@ -27,6 +27,7 @@
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/sysfs.h>
+#include <linux/nospec.h>
static DEFINE_MUTEX(compass_mutex);
@@ -50,6 +51,7 @@ static int compass_store(struct device *dev, const char *buf, size_t count,
return ret;
if (val >= strlen(map))
return -EINVAL;
+ val = array_index_nospec(val, strlen(map));
mutex_lock(&compass_mutex);
ret = compass_command(c, map[val]);
mutex_unlock(&compass_mutex);
diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c
index fb83d1375638..50d82c3d032a 100644
--- a/drivers/misc/ibmvmc.c
+++ b/drivers/misc/ibmvmc.c
@@ -2131,7 +2131,7 @@ static int ibmvmc_init_crq_queue(struct crq_server_adapter *adapter)
retrc = plpar_hcall_norets(H_REG_CRQ,
vdev->unit_address,
queue->msg_token, PAGE_SIZE);
- retrc = rc;
+ rc = retrc;
if (rc == H_RESOURCE)
rc = ibmvmc_reset_crq_queue(adapter);
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 0208c4b027c5..fa0236a5e59a 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -267,7 +267,7 @@ static int mei_nfc_if_version(struct mei_cl *cl,
ret = 0;
bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length, 0);
- if (bytes_recv < if_version_length) {
+ if (bytes_recv < 0 || bytes_recv < if_version_length) {
dev_err(bus->dev, "Could not read IF version\n");
ret = -EIO;
goto err;
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index b1133739fb4b..692b2f9a18cb 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -505,17 +505,15 @@ int mei_cldev_enable(struct mei_cl_device *cldev)
cl = cldev->cl;
+ mutex_lock(&bus->device_lock);
if (cl->state == MEI_FILE_UNINITIALIZED) {
- mutex_lock(&bus->device_lock);
ret = mei_cl_link(cl);
- mutex_unlock(&bus->device_lock);
if (ret)
- return ret;
+ goto out;
/* update pointers */
cl->cldev = cldev;
}
- mutex_lock(&bus->device_lock);
if (mei_cl_is_connected(cl)) {
ret = 0;
goto out;
@@ -600,9 +598,8 @@ int mei_cldev_disable(struct mei_cl_device *cldev)
if (err < 0)
dev_err(bus->dev, "Could not disconnect from the ME client\n");
-out:
mei_cl_bus_module_put(cldev);
-
+out:
/* Flush queues and remove any pending read */
mei_cl_flush_queues(cl, NULL);
mei_cl_unlink(cl);
@@ -860,12 +857,13 @@ static void mei_cl_bus_dev_release(struct device *dev)
mei_me_cl_put(cldev->me_cl);
mei_dev_bus_put(cldev->bus);
+ mei_cl_unlink(cldev->cl);
kfree(cldev->cl);
kfree(cldev);
}
static const struct device_type mei_cl_device_type = {
- .release = mei_cl_bus_dev_release,
+ .release = mei_cl_bus_dev_release,
};
/**
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index fe6595fe94f1..995ff1b7e7b5 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -1140,15 +1140,18 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)
props_res = (struct hbm_props_response *)mei_msg;
- if (props_res->status) {
+ if (props_res->status == MEI_HBMS_CLIENT_NOT_FOUND) {
+ dev_dbg(dev->dev, "hbm: properties response: %d CLIENT_NOT_FOUND\n",
+ props_res->me_addr);
+ } else if (props_res->status) {
dev_err(dev->dev, "hbm: properties response: wrong status = %d %s\n",
props_res->status,
mei_hbm_status_str(props_res->status));
return -EPROTO;
+ } else {
+ mei_hbm_me_cl_add(dev, props_res);
}
- mei_hbm_me_cl_add(dev, props_res);
-
/* request property for the next client */
if (mei_hbm_prop_req(dev, props_res->me_addr + 1))
return -EIO;
diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c
index 09cb89645d06..2cfec33178c1 100644
--- a/drivers/mmc/host/meson-mx-sdio.c
+++ b/drivers/mmc/host/meson-mx-sdio.c
@@ -517,19 +517,23 @@ static struct mmc_host_ops meson_mx_mmc_ops = {
static struct platform_device *meson_mx_mmc_slot_pdev(struct device *parent)
{
struct device_node *slot_node;
+ struct platform_device *pdev;
/*
* TODO: the MMC core framework currently does not support
* controllers with multiple slots properly. So we only register
* the first slot for now
*/
- slot_node = of_find_compatible_node(parent->of_node, NULL, "mmc-slot");
+ slot_node = of_get_compatible_child(parent->of_node, "mmc-slot");
if (!slot_node) {
dev_warn(parent, "no 'mmc-slot' sub-node found\n");
return ERR_PTR(-ENOENT);
}
- return of_platform_device_create(slot_node, NULL, parent);
+ pdev = of_platform_device_create(slot_node, NULL, parent);
+ of_node_put(slot_node);
+
+ return pdev;
}
static int meson_mx_mmc_add_host(struct meson_mx_mmc_host *host)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 071693ebfe18..68760d4a5d3d 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2177,6 +2177,7 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
dma_release_channel(host->tx_chan);
dma_release_channel(host->rx_chan);
+ dev_pm_clear_wake_irq(host->dev);
pm_runtime_dont_use_autosuspend(host->dev);
pm_runtime_put_sync(host->dev);
pm_runtime_disable(host->dev);
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 4ffa6b173a21..8332f56e6c0d 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -22,6 +22,7 @@
#include <linux/sys_soc.h>
#include <linux/clk.h>
#include <linux/ktime.h>
+#include <linux/dma-mapping.h>
#include <linux/mmc/host.h>
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
@@ -427,6 +428,11 @@ static void esdhc_of_adma_workaround(struct sdhci_host *host, u32 intmask)
static int esdhc_of_enable_dma(struct sdhci_host *host)
{
u32 value;
+ struct device *dev = mmc_dev(host->mmc);
+
+ if (of_device_is_compatible(dev->of_node, "fsl,ls1043a-esdhc") ||
+ of_device_is_compatible(dev->of_node, "fsl,ls1046a-esdhc"))
+ dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40));
value = sdhci_readl(host, ESDHC_DMA_SYSCTL);
value |= ESDHC_DMA_SNOOP;
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 970d38f68939..137df06b9b6e 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -334,7 +334,8 @@ static const struct sdhci_pltfm_data sdhci_tegra30_pdata = {
SDHCI_QUIRK_NO_HISPD_BIT |
SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC |
SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_BROKEN_HS200,
.ops = &tegra_sdhci_ops,
};
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 1c828e0e9905..a7b5602ef6f7 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3734,14 +3734,21 @@ int sdhci_setup_host(struct sdhci_host *host)
mmc_gpio_get_cd(host->mmc) < 0)
mmc->caps |= MMC_CAP_NEEDS_POLL;
- /* If vqmmc regulator and no 1.8V signalling, then there's no UHS */
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = regulator_enable(mmc->supply.vqmmc);
+
+ /* If vqmmc provides no 1.8V signalling, then there's no UHS */
if (!regulator_is_supported_voltage(mmc->supply.vqmmc, 1700000,
1950000))
host->caps1 &= ~(SDHCI_SUPPORT_SDR104 |
SDHCI_SUPPORT_SDR50 |
SDHCI_SUPPORT_DDR50);
+
+ /* In eMMC case vqmmc might be a fixed 1.8V regulator */
+ if (!regulator_is_supported_voltage(mmc->supply.vqmmc, 2700000,
+ 3600000))
+ host->flags &= ~SDHCI_SIGNALING_330;
+
if (ret) {
pr_warn("%s: Failed to enable vqmmc regulator: %d\n",
mmc_hostname(mmc), ret);
diff --git a/drivers/mtd/maps/solutionengine.c b/drivers/mtd/maps/solutionengine.c
index bb580bc16445..c07f21b20463 100644
--- a/drivers/mtd/maps/solutionengine.c
+++ b/drivers/mtd/maps/solutionengine.c
@@ -59,9 +59,9 @@ static int __init init_soleng_maps(void)
return -ENXIO;
}
}
- printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n",
- soleng_flash_map.phys & 0x1fffffff,
- soleng_eprom_map.phys & 0x1fffffff);
+ printk(KERN_NOTICE "Solution Engine: Flash at 0x%pap, EPROM at 0x%pap\n",
+ &soleng_flash_map.phys,
+ &soleng_eprom_map.phys);
flash_mtd->owner = THIS_MODULE;
eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map);
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index cd67c85cc87d..02389528f622 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -160,8 +160,12 @@ static ssize_t mtdchar_read(struct file *file, char __user *buf, size_t count,
pr_debug("MTD_read\n");
- if (*ppos + count > mtd->size)
- count = mtd->size - *ppos;
+ if (*ppos + count > mtd->size) {
+ if (*ppos < mtd->size)
+ count = mtd->size - *ppos;
+ else
+ count = 0;
+ }
if (!count)
return 0;
@@ -246,7 +250,7 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c
pr_debug("MTD_write\n");
- if (*ppos == mtd->size)
+ if (*ppos >= mtd->size)
return -ENOSPC;
if (*ppos + count > mtd->size)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
index cc1e4f820e64..533094233659 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
@@ -289,7 +289,7 @@ static int xgbe_alloc_pages(struct xgbe_prv_data *pdata,
struct page *pages = NULL;
dma_addr_t pages_dma;
gfp_t gfp;
- int order, ret;
+ int order;
again:
order = alloc_order;
@@ -316,10 +316,9 @@ static int xgbe_alloc_pages(struct xgbe_prv_data *pdata,
/* Map the pages */
pages_dma = dma_map_page(pdata->dev, pages, 0,
PAGE_SIZE << order, DMA_FROM_DEVICE);
- ret = dma_mapping_error(pdata->dev, pages_dma);
- if (ret) {
+ if (dma_mapping_error(pdata->dev, pages_dma)) {
put_page(pages);
- return ret;
+ return -ENOMEM;
}
pa->pages = pages;
diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
index 929d485a3a2f..e088dedc1747 100644
--- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
@@ -493,6 +493,9 @@ static void cn23xx_pf_setup_global_output_regs(struct octeon_device *oct)
for (q_no = srn; q_no < ern; q_no++) {
reg_val = octeon_read_csr(oct, CN23XX_SLI_OQ_PKT_CONTROL(q_no));
+ /* clear IPTR */
+ reg_val &= ~CN23XX_PKT_OUTPUT_CTL_IPTR;
+
/* set DPTR */
reg_val |= CN23XX_PKT_OUTPUT_CTL_DPTR;
diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c
index 9338a0008378..1f8b7f651254 100644
--- a/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c
@@ -165,6 +165,9 @@ static void cn23xx_vf_setup_global_output_regs(struct octeon_device *oct)
reg_val =
octeon_read_csr(oct, CN23XX_VF_SLI_OQ_PKT_CONTROL(q_no));
+ /* clear IPTR */
+ reg_val &= ~CN23XX_PKT_OUTPUT_CTL_IPTR;
+
/* set DPTR */
reg_val |= CN23XX_PKT_OUTPUT_CTL_DPTR;
diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index 6d7404f66f84..c9a061e707c4 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -1753,7 +1753,10 @@ static int gmac_open(struct net_device *netdev)
phy_start(netdev->phydev);
err = geth_resize_freeq(port);
- if (err) {
+ /* It's fine if it's just busy, the other port has set up
+ * the freeq in that case.
+ */
+ if (err && (err != -EBUSY)) {
netdev_err(netdev, "could not resize freeq\n");
goto err_stop_phy;
}
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index ff92ab1daeb8..1e9d882c04ef 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -4500,7 +4500,7 @@ int be_cmd_get_profile_config(struct be_adapter *adapter,
port_res->max_vfs += le16_to_cpu(pcie->num_vfs);
}
}
- return status;
+ goto err;
}
pcie = be_get_pcie_desc(resp->func_param, desc_count,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 25a73bb2e642..9d69621f5ab4 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3081,7 +3081,6 @@ static int hns3_client_init(struct hnae3_handle *handle)
priv->dev = &pdev->dev;
priv->netdev = netdev;
priv->ae_handle = handle;
- priv->ae_handle->reset_level = HNAE3_NONE_RESET;
priv->ae_handle->last_reset_time = jiffies;
priv->tx_timeout_count = 0;
@@ -3102,6 +3101,11 @@ static int hns3_client_init(struct hnae3_handle *handle)
/* Carrier off reporting is important to ethtool even BEFORE open */
netif_carrier_off(netdev);
+ if (handle->flags & HNAE3_SUPPORT_VF)
+ handle->reset_level = HNAE3_VF_RESET;
+ else
+ handle->reset_level = HNAE3_FUNC_RESET;
+
ret = hns3_get_ring_config(priv);
if (ret) {
ret = -ENOMEM;
@@ -3418,7 +3422,7 @@ static int hns3_reset_notify_down_enet(struct hnae3_handle *handle)
struct net_device *ndev = kinfo->netdev;
if (!netif_running(ndev))
- return -EIO;
+ return 0;
return hns3_nic_net_stop(ndev);
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 6fd7ea8074b0..13f43b74fd6d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2825,15 +2825,13 @@ static void hclge_clear_reset_cause(struct hclge_dev *hdev)
static void hclge_reset(struct hclge_dev *hdev)
{
/* perform reset of the stack & ae device for a client */
-
+ rtnl_lock();
hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
if (!hclge_reset_wait(hdev)) {
- rtnl_lock();
hclge_notify_client(hdev, HNAE3_UNINIT_CLIENT);
hclge_reset_ae_dev(hdev->ae_dev);
hclge_notify_client(hdev, HNAE3_INIT_CLIENT);
- rtnl_unlock();
hclge_clear_reset_cause(hdev);
} else {
@@ -2843,6 +2841,7 @@ static void hclge_reset(struct hclge_dev *hdev)
}
hclge_notify_client(hdev, HNAE3_UP_CLIENT);
+ rtnl_unlock();
}
static void hclge_reset_event(struct hnae3_handle *handle)
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 0319ed9ef8b8..f7f08e3fa761 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -5011,6 +5011,12 @@ static int mvpp2_probe(struct platform_device *pdev)
(unsigned long)of_device_get_match_data(&pdev->dev);
}
+ /* multi queue mode isn't supported on PPV2.1, fallback to single
+ * mode
+ */
+ if (priv->hw_version == MVPP21)
+ queue_mode = MVPP2_QDIST_SINGLE_MODE;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 384c1fa49081..f167f4eec3ff 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -452,6 +452,7 @@ const char *mlx5_command_str(int command)
MLX5_COMMAND_STR_CASE(SET_HCA_CAP);
MLX5_COMMAND_STR_CASE(QUERY_ISSI);
MLX5_COMMAND_STR_CASE(SET_ISSI);
+ MLX5_COMMAND_STR_CASE(SET_DRIVER_VERSION);
MLX5_COMMAND_STR_CASE(CREATE_MKEY);
MLX5_COMMAND_STR_CASE(QUERY_MKEY);
MLX5_COMMAND_STR_CASE(DESTROY_MKEY);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index b994b80d5714..922811fb66e7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -132,11 +132,11 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
delayed_event_start(priv);
dev_ctx->context = intf->add(dev);
- set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
- if (intf->attach)
- set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
-
if (dev_ctx->context) {
+ set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
+ if (intf->attach)
+ set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
+
spin_lock_irq(&priv->ctx_lock);
list_add_tail(&dev_ctx->list, &priv->ctx_list);
@@ -211,12 +211,17 @@ static void mlx5_attach_interface(struct mlx5_interface *intf, struct mlx5_priv
if (intf->attach) {
if (test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))
goto out;
- intf->attach(dev, dev_ctx->context);
+ if (intf->attach(dev, dev_ctx->context))
+ goto out;
+
set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
} else {
if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
goto out;
dev_ctx->context = intf->add(dev);
+ if (!dev_ctx->context)
+ goto out;
+
set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 91f1209886ff..4c53957c918c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -658,6 +658,7 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports)
if (err)
goto miss_rule_err;
+ kvfree(flow_group_in);
return 0;
miss_rule_err:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 6ddb2565884d..0031c510ab68 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1649,6 +1649,33 @@ static u64 matched_fgs_get_version(struct list_head *match_head)
return version;
}
+static struct fs_fte *
+lookup_fte_locked(struct mlx5_flow_group *g,
+ u32 *match_value,
+ bool take_write)
+{
+ struct fs_fte *fte_tmp;
+
+ if (take_write)
+ nested_down_write_ref_node(&g->node, FS_LOCK_PARENT);
+ else
+ nested_down_read_ref_node(&g->node, FS_LOCK_PARENT);
+ fte_tmp = rhashtable_lookup_fast(&g->ftes_hash, match_value,
+ rhash_fte);
+ if (!fte_tmp || !tree_get_node(&fte_tmp->node)) {
+ fte_tmp = NULL;
+ goto out;
+ }
+
+ nested_down_write_ref_node(&fte_tmp->node, FS_LOCK_CHILD);
+out:
+ if (take_write)
+ up_write_ref_node(&g->node);
+ else
+ up_read_ref_node(&g->node);
+ return fte_tmp;
+}
+
static struct mlx5_flow_handle *
try_add_to_existing_fg(struct mlx5_flow_table *ft,
struct list_head *match_head,
@@ -1671,10 +1698,6 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft,
if (IS_ERR(fte))
return ERR_PTR(-ENOMEM);
- list_for_each_entry(iter, match_head, list) {
- nested_down_read_ref_node(&iter->g->node, FS_LOCK_PARENT);
- }
-
search_again_locked:
version = matched_fgs_get_version(match_head);
/* Try to find a fg that already contains a matching fte */
@@ -1682,20 +1705,9 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft,
struct fs_fte *fte_tmp;
g = iter->g;
- fte_tmp = rhashtable_lookup_fast(&g->ftes_hash, spec->match_value,
- rhash_fte);
- if (!fte_tmp || !tree_get_node(&fte_tmp->node))
+ fte_tmp = lookup_fte_locked(g, spec->match_value, take_write);
+ if (!fte_tmp)
continue;
-
- nested_down_write_ref_node(&fte_tmp->node, FS_LOCK_CHILD);
- if (!take_write) {
- list_for_each_entry(iter, match_head, list)
- up_read_ref_node(&iter->g->node);
- } else {
- list_for_each_entry(iter, match_head, list)
- up_write_ref_node(&iter->g->node);
- }
-
rule = add_rule_fg(g, spec->match_value,
flow_act, dest, dest_num, fte_tmp);
up_write_ref_node(&fte_tmp->node);
@@ -1704,19 +1716,6 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft,
return rule;
}
- /* No group with matching fte found. Try to add a new fte to any
- * matching fg.
- */
-
- if (!take_write) {
- list_for_each_entry(iter, match_head, list)
- up_read_ref_node(&iter->g->node);
- list_for_each_entry(iter, match_head, list)
- nested_down_write_ref_node(&iter->g->node,
- FS_LOCK_PARENT);
- take_write = true;
- }
-
/* Check the ft version, for case that new flow group
* was added while the fgs weren't locked
*/
@@ -1728,27 +1727,30 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft,
/* Check the fgs version, for case the new FTE with the
* same values was added while the fgs weren't locked
*/
- if (version != matched_fgs_get_version(match_head))
+ if (version != matched_fgs_get_version(match_head)) {
+ take_write = true;
goto search_again_locked;
+ }
list_for_each_entry(iter, match_head, list) {
g = iter->g;
if (!g->node.active)
continue;
+
+ nested_down_write_ref_node(&g->node, FS_LOCK_PARENT);
+
err = insert_fte(g, fte);
if (err) {
+ up_write_ref_node(&g->node);
if (err == -ENOSPC)
continue;
- list_for_each_entry(iter, match_head, list)
- up_write_ref_node(&iter->g->node);
kmem_cache_free(steering->ftes_cache, fte);
return ERR_PTR(err);
}
nested_down_write_ref_node(&fte->node, FS_LOCK_CHILD);
- list_for_each_entry(iter, match_head, list)
- up_write_ref_node(&iter->g->node);
+ up_write_ref_node(&g->node);
rule = add_rule_fg(g, spec->match_value,
flow_act, dest, dest_num, fte);
up_write_ref_node(&fte->node);
@@ -1757,8 +1759,6 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft,
}
rule = ERR_PTR(-ENOENT);
out:
- list_for_each_entry(iter, match_head, list)
- up_write_ref_node(&iter->g->node);
kmem_cache_free(steering->ftes_cache, fte);
return rule;
}
@@ -1797,6 +1797,8 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft,
if (err) {
if (take_write)
up_write_ref_node(&ft->node);
+ else
+ up_read_ref_node(&ft->node);
return ERR_PTR(err);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index d39b0b7011b2..9f39aeca863f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -331,9 +331,17 @@ void mlx5_start_health_poll(struct mlx5_core_dev *dev)
add_timer(&health->timer);
}
-void mlx5_stop_health_poll(struct mlx5_core_dev *dev)
+void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health)
{
struct mlx5_core_health *health = &dev->priv.health;
+ unsigned long flags;
+
+ if (disable_health) {
+ spin_lock_irqsave(&health->wq_lock, flags);
+ set_bit(MLX5_DROP_NEW_HEALTH_WORK, &health->flags);
+ set_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags);
+ spin_unlock_irqrestore(&health->wq_lock, flags);
+ }
del_timer_sync(&health->timer);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 615005e63819..76e6ca87db11 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -874,8 +874,10 @@ static int mlx5_pci_init(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
priv->numa_node = dev_to_node(&dev->pdev->dev);
priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root);
- if (!priv->dbg_root)
+ if (!priv->dbg_root) {
+ dev_err(&pdev->dev, "Cannot create debugfs dir, aborting\n");
return -ENOMEM;
+ }
err = mlx5_pci_enable_device(dev);
if (err) {
@@ -924,7 +926,7 @@ static void mlx5_pci_close(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
pci_clear_master(dev->pdev);
release_bar(dev->pdev);
mlx5_pci_disable_device(dev);
- debugfs_remove(priv->dbg_root);
+ debugfs_remove_recursive(priv->dbg_root);
}
static int mlx5_init_once(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
@@ -1266,7 +1268,7 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
mlx5_cleanup_once(dev);
err_stop_poll:
- mlx5_stop_health_poll(dev);
+ mlx5_stop_health_poll(dev, boot);
if (mlx5_cmd_teardown_hca(dev)) {
dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n");
goto out_err;
@@ -1325,7 +1327,7 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
mlx5_free_irq_vectors(dev);
if (cleanup)
mlx5_cleanup_once(dev);
- mlx5_stop_health_poll(dev);
+ mlx5_stop_health_poll(dev, cleanup);
err = mlx5_cmd_teardown_hca(dev);
if (err) {
dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n");
@@ -1587,7 +1589,7 @@ static int mlx5_try_fast_unload(struct mlx5_core_dev *dev)
* with the HCA, so the health polll is no longer needed.
*/
mlx5_drain_health_wq(dev);
- mlx5_stop_health_poll(dev);
+ mlx5_stop_health_poll(dev, false);
ret = mlx5_cmd_force_teardown_hca(dev);
if (ret) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
index c8c315eb5128..d838af9539b1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
@@ -39,9 +39,9 @@ u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq)
return (u32)wq->fbc.sz_m1 + 1;
}
-u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq)
+u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq)
{
- return (u32)wq->fbc.frag_sz_m1 + 1;
+ return wq->fbc.frag_sz_m1 + 1;
}
u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.h b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
index 0b47126815b6..16476cc1a602 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
@@ -80,7 +80,7 @@ int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_cyc *wq,
struct mlx5_wq_ctrl *wq_ctrl);
u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq);
-u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq);
+u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq);
int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *qpc, struct mlx5_wq_qp *wq,
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c
index 152283d7e59c..4a540c5e27fe 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c
@@ -236,16 +236,20 @@ static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf)
int err;
pf->limit_vfs = nfp_rtsym_read_le(pf->rtbl, "nfd_vf_cfg_max_vfs", &err);
- if (!err)
- return pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs);
+ if (err) {
+ /* For backwards compatibility if symbol not found allow all */
+ pf->limit_vfs = ~0;
+ if (err == -ENOENT)
+ return 0;
- pf->limit_vfs = ~0;
- /* Allow any setting for backwards compatibility if symbol not found */
- if (err == -ENOENT)
- return 0;
+ nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err);
+ return err;
+ }
- nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err);
- return err;
+ err = pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs);
+ if (err)
+ nfp_warn(pf->cpp, "Failed to set VF count in sysfs: %d\n", err);
+ return 0;
}
static int nfp_pcie_sriov_enable(struct pci_dev *pdev, int num_vfs)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index c2a9e64bc57b..bfccc1955907 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -1093,7 +1093,7 @@ static bool nfp_net_xdp_complete(struct nfp_net_tx_ring *tx_ring)
* @dp: NFP Net data path struct
* @tx_ring: TX ring structure
*
- * Assumes that the device is stopped
+ * Assumes that the device is stopped, must be idempotent.
*/
static void
nfp_net_tx_ring_reset(struct nfp_net_dp *dp, struct nfp_net_tx_ring *tx_ring)
@@ -1295,13 +1295,18 @@ static void nfp_net_rx_give_one(const struct nfp_net_dp *dp,
* nfp_net_rx_ring_reset() - Reflect in SW state of freelist after disable
* @rx_ring: RX ring structure
*
- * Warning: Do *not* call if ring buffers were never put on the FW freelist
- * (i.e. device was not enabled)!
+ * Assumes that the device is stopped, must be idempotent.
*/
static void nfp_net_rx_ring_reset(struct nfp_net_rx_ring *rx_ring)
{
unsigned int wr_idx, last_idx;
+ /* wr_p == rd_p means ring was never fed FL bufs. RX rings are always
+ * kept at cnt - 1 FL bufs.
+ */
+ if (rx_ring->wr_p == 0 && rx_ring->rd_p == 0)
+ return;
+
/* Move the empty entry to the end of the list */
wr_idx = D_IDX(rx_ring, rx_ring->wr_p);
last_idx = rx_ring->cnt - 1;
@@ -2524,6 +2529,8 @@ static void nfp_net_vec_clear_ring_data(struct nfp_net *nn, unsigned int idx)
/**
* nfp_net_clear_config_and_disable() - Clear control BAR and disable NFP
* @nn: NFP Net device to reconfigure
+ *
+ * Warning: must be fully idempotent.
*/
static void nfp_net_clear_config_and_disable(struct nfp_net *nn)
{
diff --git a/drivers/net/ethernet/qualcomm/qca_7k.c b/drivers/net/ethernet/qualcomm/qca_7k.c
index ffe7a16bdfc8..6c8543fb90c0 100644
--- a/drivers/net/ethernet/qualcomm/qca_7k.c
+++ b/drivers/net/ethernet/qualcomm/qca_7k.c
@@ -45,34 +45,33 @@ qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result)
{
__be16 rx_data;
__be16 tx_data;
- struct spi_transfer *transfer;
- struct spi_message *msg;
+ struct spi_transfer transfer[2];
+ struct spi_message msg;
int ret;
+ memset(transfer, 0, sizeof(transfer));
+
+ spi_message_init(&msg);
+
tx_data = cpu_to_be16(QCA7K_SPI_READ | QCA7K_SPI_INTERNAL | reg);
+ *result = 0;
+
+ transfer[0].tx_buf = &tx_data;
+ transfer[0].len = QCASPI_CMD_LEN;
+ transfer[1].rx_buf = &rx_data;
+ transfer[1].len = QCASPI_CMD_LEN;
+
+ spi_message_add_tail(&transfer[0], &msg);
if (qca->legacy_mode) {
- msg = &qca->spi_msg1;
- transfer = &qca->spi_xfer1;
- transfer->tx_buf = &tx_data;
- transfer->rx_buf = NULL;
- transfer->len = QCASPI_CMD_LEN;
- spi_sync(qca->spi_dev, msg);
- } else {
- msg = &qca->spi_msg2;
- transfer = &qca->spi_xfer2[0];
- transfer->tx_buf = &tx_data;
- transfer->rx_buf = NULL;
- transfer->len = QCASPI_CMD_LEN;
- transfer = &qca->spi_xfer2[1];
+ spi_sync(qca->spi_dev, &msg);
+ spi_message_init(&msg);
}
- transfer->tx_buf = NULL;
- transfer->rx_buf = &rx_data;
- transfer->len = QCASPI_CMD_LEN;
- ret = spi_sync(qca->spi_dev, msg);
+ spi_message_add_tail(&transfer[1], &msg);
+ ret = spi_sync(qca->spi_dev, &msg);
if (!ret)
- ret = msg->status;
+ ret = msg.status;
if (ret)
qcaspi_spi_error(qca);
@@ -86,35 +85,32 @@ int
qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value)
{
__be16 tx_data[2];
- struct spi_transfer *transfer;
- struct spi_message *msg;
+ struct spi_transfer transfer[2];
+ struct spi_message msg;
int ret;
+ memset(&transfer, 0, sizeof(transfer));
+
+ spi_message_init(&msg);
+
tx_data[0] = cpu_to_be16(QCA7K_SPI_WRITE | QCA7K_SPI_INTERNAL | reg);
tx_data[1] = cpu_to_be16(value);
+ transfer[0].tx_buf = &tx_data[0];
+ transfer[0].len = QCASPI_CMD_LEN;
+ transfer[1].tx_buf = &tx_data[1];
+ transfer[1].len = QCASPI_CMD_LEN;
+
+ spi_message_add_tail(&transfer[0], &msg);
if (qca->legacy_mode) {
- msg = &qca->spi_msg1;
- transfer = &qca->spi_xfer1;
- transfer->tx_buf = &tx_data[0];
- transfer->rx_buf = NULL;
- transfer->len = QCASPI_CMD_LEN;
- spi_sync(qca->spi_dev, msg);
- } else {
- msg = &qca->spi_msg2;
- transfer = &qca->spi_xfer2[0];
- transfer->tx_buf = &tx_data[0];
- transfer->rx_buf = NULL;
- transfer->len = QCASPI_CMD_LEN;
- transfer = &qca->spi_xfer2[1];
+ spi_sync(qca->spi_dev, &msg);
+ spi_message_init(&msg);
}
- transfer->tx_buf = &tx_data[1];
- transfer->rx_buf = NULL;
- transfer->len = QCASPI_CMD_LEN;
- ret = spi_sync(qca->spi_dev, msg);
+ spi_message_add_tail(&transfer[1], &msg);
+ ret = spi_sync(qca->spi_dev, &msg);
if (!ret)
- ret = msg->status;
+ ret = msg.status;
if (ret)
qcaspi_spi_error(qca);
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 206f0266463e..66b775d462fd 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -99,22 +99,24 @@ static u32
qcaspi_write_burst(struct qcaspi *qca, u8 *src, u32 len)
{
__be16 cmd;
- struct spi_message *msg = &qca->spi_msg2;
- struct spi_transfer *transfer = &qca->spi_xfer2[0];
+ struct spi_message msg;
+ struct spi_transfer transfer[2];
int ret;
+ memset(&transfer, 0, sizeof(transfer));
+ spi_message_init(&msg);
+
cmd = cpu_to_be16(QCA7K_SPI_WRITE | QCA7K_SPI_EXTERNAL);
- transfer->tx_buf = &cmd;
- transfer->rx_buf = NULL;
- transfer->len = QCASPI_CMD_LEN;
- transfer = &qca->spi_xfer2[1];
- transfer->tx_buf = src;
- transfer->rx_buf = NULL;
- transfer->len = len;
+ transfer[0].tx_buf = &cmd;
+ transfer[0].len = QCASPI_CMD_LEN;
+ transfer[1].tx_buf = src;
+ transfer[1].len = len;
- ret = spi_sync(qca->spi_dev, msg);
+ spi_message_add_tail(&transfer[0], &msg);
+ spi_message_add_tail(&transfer[1], &msg);
+ ret = spi_sync(qca->spi_dev, &msg);
- if (ret || (msg->actual_length != QCASPI_CMD_LEN + len)) {
+ if (ret || (msg.actual_length != QCASPI_CMD_LEN + len)) {
qcaspi_spi_error(qca);
return 0;
}
@@ -125,17 +127,20 @@ qcaspi_write_burst(struct qcaspi *qca, u8 *src, u32 len)
static u32
qcaspi_write_legacy(struct qcaspi *qca, u8 *src, u32 len)
{
- struct spi_message *msg = &qca->spi_msg1;
- struct spi_transfer *transfer = &qca->spi_xfer1;
+ struct spi_message msg;
+ struct spi_transfer transfer;
int ret;
- transfer->tx_buf = src;
- transfer->rx_buf = NULL;
- transfer->len = len;
+ memset(&transfer, 0, sizeof(transfer));
+ spi_message_init(&msg);
+
+ transfer.tx_buf = src;
+ transfer.len = len;
- ret = spi_sync(qca->spi_dev, msg);
+ spi_message_add_tail(&transfer, &msg);
+ ret = spi_sync(qca->spi_dev, &msg);
- if (ret || (msg->actual_length != len)) {
+ if (ret || (msg.actual_length != len)) {
qcaspi_spi_error(qca);
return 0;
}
@@ -146,23 +151,25 @@ qcaspi_write_legacy(struct qcaspi *qca, u8 *src, u32 len)
static u32
qcaspi_read_burst(struct qcaspi *qca, u8 *dst, u32 len)
{
- struct spi_message *msg = &qca->spi_msg2;
+ struct spi_message msg;
__be16 cmd;
- struct spi_transfer *transfer = &qca->spi_xfer2[0];
+ struct spi_transfer transfer[2];
int ret;
+ memset(&transfer, 0, sizeof(transfer));
+ spi_message_init(&msg);
+
cmd = cpu_to_be16(QCA7K_SPI_READ | QCA7K_SPI_EXTERNAL);
- transfer->tx_buf = &cmd;
- transfer->rx_buf = NULL;
- transfer->len = QCASPI_CMD_LEN;
- transfer = &qca->spi_xfer2[1];
- transfer->tx_buf = NULL;
- transfer->rx_buf = dst;
- transfer->len = len;
+ transfer[0].tx_buf = &cmd;
+ transfer[0].len = QCASPI_CMD_LEN;
+ transfer[1].rx_buf = dst;
+ transfer[1].len = len;
- ret = spi_sync(qca->spi_dev, msg);
+ spi_message_add_tail(&transfer[0], &msg);
+ spi_message_add_tail(&transfer[1], &msg);
+ ret = spi_sync(qca->spi_dev, &msg);
- if (ret || (msg->actual_length != QCASPI_CMD_LEN + len)) {
+ if (ret || (msg.actual_length != QCASPI_CMD_LEN + len)) {
qcaspi_spi_error(qca);
return 0;
}
@@ -173,17 +180,20 @@ qcaspi_read_burst(struct qcaspi *qca, u8 *dst, u32 len)
static u32
qcaspi_read_legacy(struct qcaspi *qca, u8 *dst, u32 len)
{
- struct spi_message *msg = &qca->spi_msg1;
- struct spi_transfer *transfer = &qca->spi_xfer1;
+ struct spi_message msg;
+ struct spi_transfer transfer;
int ret;
- transfer->tx_buf = NULL;
- transfer->rx_buf = dst;
- transfer->len = len;
+ memset(&transfer, 0, sizeof(transfer));
+ spi_message_init(&msg);
- ret = spi_sync(qca->spi_dev, msg);
+ transfer.rx_buf = dst;
+ transfer.len = len;
- if (ret || (msg->actual_length != len)) {
+ spi_message_add_tail(&transfer, &msg);
+ ret = spi_sync(qca->spi_dev, &msg);
+
+ if (ret || (msg.actual_length != len)) {
qcaspi_spi_error(qca);
return 0;
}
@@ -195,19 +205,23 @@ static int
qcaspi_tx_cmd(struct qcaspi *qca, u16 cmd)
{
__be16 tx_data;
- struct spi_message *msg = &qca->spi_msg1;
- struct spi_transfer *transfer = &qca->spi_xfer1;
+ struct spi_message msg;
+ struct spi_transfer transfer;
int ret;
+ memset(&transfer, 0, sizeof(transfer));
+
+ spi_message_init(&msg);
+
tx_data = cpu_to_be16(cmd);
- transfer->len = sizeof(tx_data);
- transfer->tx_buf = &tx_data;
- transfer->rx_buf = NULL;
+ transfer.len = sizeof(cmd);
+ transfer.tx_buf = &tx_data;
+ spi_message_add_tail(&transfer, &msg);
- ret = spi_sync(qca->spi_dev, msg);
+ ret = spi_sync(qca->spi_dev, &msg);
if (!ret)
- ret = msg->status;
+ ret = msg.status;
if (ret)
qcaspi_spi_error(qca);
@@ -835,16 +849,6 @@ qcaspi_netdev_setup(struct net_device *dev)
qca = netdev_priv(dev);
memset(qca, 0, sizeof(struct qcaspi));
- memset(&qca->spi_xfer1, 0, sizeof(struct spi_transfer));
- memset(&qca->spi_xfer2, 0, sizeof(struct spi_transfer) * 2);
-
- spi_message_init(&qca->spi_msg1);
- spi_message_add_tail(&qca->spi_xfer1, &qca->spi_msg1);
-
- spi_message_init(&qca->spi_msg2);
- spi_message_add_tail(&qca->spi_xfer2[0], &qca->spi_msg2);
- spi_message_add_tail(&qca->spi_xfer2[1], &qca->spi_msg2);
-
memset(&qca->txr, 0, sizeof(qca->txr));
qca->txr.count = TX_RING_MAX_LEN;
}
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h
index fc4beb1b32d1..fc0e98726b36 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.h
+++ b/drivers/net/ethernet/qualcomm/qca_spi.h
@@ -83,11 +83,6 @@ struct qcaspi {
struct tx_ring txr;
struct qcaspi_stats stats;
- struct spi_message spi_msg1;
- struct spi_message spi_msg2;
- struct spi_transfer spi_xfer1;
- struct spi_transfer spi_xfer2[2];
-
u8 *rx_buffer;
u32 buffer_size;
u8 sync;
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 9b09c9d0d0fb..5f0366a125e2 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -192,7 +192,7 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
priv->ucc_pram_offset = qe_muram_alloc(sizeof(struct ucc_hdlc_param),
ALIGNMENT_OF_UCC_HDLC_PRAM);
- if (priv->ucc_pram_offset < 0) {
+ if (IS_ERR_VALUE(priv->ucc_pram_offset)) {
dev_err(priv->dev, "Can not allocate MURAM for hdlc parameter.\n");
ret = -ENOMEM;
goto free_tx_bd;
@@ -230,14 +230,14 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
/* Alloc riptr, tiptr */
riptr = qe_muram_alloc(32, 32);
- if (riptr < 0) {
+ if (IS_ERR_VALUE(riptr)) {
dev_err(priv->dev, "Cannot allocate MURAM mem for Receive internal temp data pointer\n");
ret = -ENOMEM;
goto free_tx_skbuff;
}
tiptr = qe_muram_alloc(32, 32);
- if (tiptr < 0) {
+ if (IS_ERR_VALUE(tiptr)) {
dev_err(priv->dev, "Cannot allocate MURAM mem for Transmit internal temp data pointer\n");
ret = -ENOMEM;
goto free_riptr;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
index 45ea32796cda..92b38a21cd10 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
@@ -660,7 +660,7 @@ static inline void iwl_enable_fw_load_int(struct iwl_trans *trans)
}
}
-static inline u8 iwl_pcie_get_cmd_index(struct iwl_txq *q, u32 index)
+static inline u8 iwl_pcie_get_cmd_index(const struct iwl_txq *q, u32 index)
{
return index & (q->n_window - 1);
}
@@ -730,9 +730,13 @@ static inline void iwl_stop_queue(struct iwl_trans *trans,
static inline bool iwl_queue_used(const struct iwl_txq *q, int i)
{
- return q->write_ptr >= q->read_ptr ?
- (i >= q->read_ptr && i < q->write_ptr) :
- !(i < q->read_ptr && i >= q->write_ptr);
+ int index = iwl_pcie_get_cmd_index(q, i);
+ int r = iwl_pcie_get_cmd_index(q, q->read_ptr);
+ int w = iwl_pcie_get_cmd_index(q, q->write_ptr);
+
+ return w >= r ?
+ (index >= r && index < w) :
+ !(index < r && index >= w);
}
static inline bool iwl_is_rfkill_set(struct iwl_trans *trans)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index 473fe7ccb07c..11bd7ce2be8e 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -1225,9 +1225,13 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx)
struct iwl_txq *txq = trans_pcie->txq[txq_id];
unsigned long flags;
int nfreed = 0;
+ u16 r;
lockdep_assert_held(&txq->lock);
+ idx = iwl_pcie_get_cmd_index(txq, idx);
+ r = iwl_pcie_get_cmd_index(txq, txq->read_ptr);
+
if ((idx >= TFD_QUEUE_SIZE_MAX) || (!iwl_queue_used(txq, idx))) {
IWL_ERR(trans,
"%s: Read index for DMA queue txq id (%d), index %d is out of range [0-%d] %d %d.\n",
@@ -1236,12 +1240,13 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx)
return;
}
- for (idx = iwl_queue_inc_wrap(idx); txq->read_ptr != idx;
- txq->read_ptr = iwl_queue_inc_wrap(txq->read_ptr)) {
+ for (idx = iwl_queue_inc_wrap(idx); r != idx;
+ r = iwl_queue_inc_wrap(r)) {
+ txq->read_ptr = iwl_queue_inc_wrap(txq->read_ptr);
if (nfreed++ > 0) {
IWL_ERR(trans, "HCMD skipped: index (%d) %d %d\n",
- idx, txq->write_ptr, txq->read_ptr);
+ idx, txq->write_ptr, r);
iwl_force_nmi(trans);
}
}
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 9dd2ca62d84a..c2b6aa1d485f 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -87,8 +87,7 @@ struct netfront_cb {
/* IRQ name is queue name with "-tx" or "-rx" appended */
#define IRQ_NAME_SIZE (QUEUE_NAME_SIZE + 3)
-static DECLARE_WAIT_QUEUE_HEAD(module_load_q);
-static DECLARE_WAIT_QUEUE_HEAD(module_unload_q);
+static DECLARE_WAIT_QUEUE_HEAD(module_wq);
struct netfront_stats {
u64 packets;
@@ -1331,11 +1330,11 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev)
netif_carrier_off(netdev);
xenbus_switch_state(dev, XenbusStateInitialising);
- wait_event(module_load_q,
- xenbus_read_driver_state(dev->otherend) !=
- XenbusStateClosed &&
- xenbus_read_driver_state(dev->otherend) !=
- XenbusStateUnknown);
+ wait_event(module_wq,
+ xenbus_read_driver_state(dev->otherend) !=
+ XenbusStateClosed &&
+ xenbus_read_driver_state(dev->otherend) !=
+ XenbusStateUnknown);
return netdev;
exit:
@@ -1603,14 +1602,16 @@ static int xennet_init_queue(struct netfront_queue *queue)
{
unsigned short i;
int err = 0;
+ char *devid;
spin_lock_init(&queue->tx_lock);
spin_lock_init(&queue->rx_lock);
timer_setup(&queue->rx_refill_timer, rx_refill_timeout, 0);
- snprintf(queue->name, sizeof(queue->name), "%s-q%u",
- queue->info->netdev->name, queue->id);
+ devid = strrchr(queue->info->xbdev->nodename, '/') + 1;
+ snprintf(queue->name, sizeof(queue->name), "vif%s-q%u",
+ devid, queue->id);
/* Initialise tx_skbs as a free chain containing every entry. */
queue->tx_skb_freelist = 0;
@@ -2007,15 +2008,14 @@ static void netback_changed(struct xenbus_device *dev,
dev_dbg(&dev->dev, "%s\n", xenbus_strstate(backend_state));
+ wake_up_all(&module_wq);
+
switch (backend_state) {
case XenbusStateInitialising:
case XenbusStateInitialised:
case XenbusStateReconfiguring:
case XenbusStateReconfigured:
- break;
-
case XenbusStateUnknown:
- wake_up_all(&module_unload_q);
break;
case XenbusStateInitWait:
@@ -2031,12 +2031,10 @@ static void netback_changed(struct xenbus_device *dev,
break;
case XenbusStateClosed:
- wake_up_all(&module_unload_q);
if (dev->state == XenbusStateClosed)
break;
/* Missed the backend's CLOSING state -- fallthrough */
case XenbusStateClosing:
- wake_up_all(&module_unload_q);
xenbus_frontend_closed(dev);
break;
}
@@ -2144,14 +2142,14 @@ static int xennet_remove(struct xenbus_device *dev)
if (xenbus_read_driver_state(dev->otherend) != XenbusStateClosed) {
xenbus_switch_state(dev, XenbusStateClosing);
- wait_event(module_unload_q,
+ wait_event(module_wq,
xenbus_read_driver_state(dev->otherend) ==
XenbusStateClosing ||
xenbus_read_driver_state(dev->otherend) ==
XenbusStateUnknown);
xenbus_switch_state(dev, XenbusStateClosed);
- wait_event(module_unload_q,
+ wait_event(module_wq,
xenbus_read_driver_state(dev->otherend) ==
XenbusStateClosed ||
xenbus_read_driver_state(dev->otherend) ==
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 66ec5985c9f3..69fb62feb833 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1741,6 +1741,8 @@ static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown)
nvme_rdma_stop_io_queues(ctrl);
blk_mq_tagset_busy_iter(&ctrl->tag_set,
nvme_cancel_request, &ctrl->ctrl);
+ if (shutdown)
+ nvme_start_queues(&ctrl->ctrl);
nvme_rdma_destroy_io_queues(ctrl, shutdown);
}
diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c
index 8c42b3a8c420..64c7596a46a1 100644
--- a/drivers/nvme/target/io-cmd-file.c
+++ b/drivers/nvme/target/io-cmd-file.c
@@ -209,22 +209,24 @@ static void nvmet_file_execute_discard(struct nvmet_req *req)
{
int mode = FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE;
struct nvme_dsm_range range;
- loff_t offset;
- loff_t len;
- int i, ret;
+ loff_t offset, len;
+ u16 ret;
+ int i;
for (i = 0; i <= le32_to_cpu(req->cmd->dsm.nr); i++) {
- if (nvmet_copy_from_sgl(req, i * sizeof(range), &range,
- sizeof(range)))
+ ret = nvmet_copy_from_sgl(req, i * sizeof(range), &range,
+ sizeof(range));
+ if (ret)
break;
offset = le64_to_cpu(range.slba) << req->ns->blksize_shift;
len = le32_to_cpu(range.nlb) << req->ns->blksize_shift;
- ret = vfs_fallocate(req->ns->file, mode, offset, len);
- if (ret)
+ if (vfs_fallocate(req->ns->file, mode, offset, len)) {
+ ret = NVME_SC_INTERNAL | NVME_SC_DNR;
break;
+ }
}
- nvmet_req_complete(req, ret < 0 ? NVME_SC_INTERNAL | NVME_SC_DNR : 0);
+ nvmet_req_complete(req, ret);
}
static void nvmet_file_dsm_work(struct work_struct *w)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 466e3c8582f0..53a51c6911eb 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -118,6 +118,9 @@ void of_populate_phandle_cache(void)
if (np->phandle && np->phandle != OF_PHANDLE_ILLEGAL)
phandles++;
+ if (!phandles)
+ goto out;
+
cache_entries = roundup_pow_of_two(phandles);
phandle_cache_mask = cache_entries - 1;
@@ -719,6 +722,31 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
}
EXPORT_SYMBOL(of_get_next_available_child);
+/**
+ * of_get_compatible_child - Find compatible child node
+ * @parent: parent node
+ * @compatible: compatible string
+ *
+ * Lookup child node whose compatible property contains the given compatible
+ * string.
+ *
+ * Returns a node pointer with refcount incremented, use of_node_put() on it
+ * when done; or NULL if not found.
+ */
+struct device_node *of_get_compatible_child(const struct device_node *parent,
+ const char *compatible)
+{
+ struct device_node *child;
+
+ for_each_child_of_node(parent, child) {
+ if (of_device_is_compatible(child, compatible))
+ break;
+ }
+
+ return child;
+}
+EXPORT_SYMBOL(of_get_compatible_child);
+
/**
* of_get_child_by_name - Find the child node by name for a given parent
* @node: parent node
diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index 01cf1c1a841a..8de329546b82 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -286,12 +286,16 @@ static int bpp_probe(struct platform_device *op)
ops = kmemdup(&parport_sunbpp_ops, sizeof(struct parport_operations),
GFP_KERNEL);
- if (!ops)
+ if (!ops) {
+ err = -ENOMEM;
goto out_unmap;
+ }
dprintk(("register_port\n"));
- if (!(p = parport_register_port((unsigned long)base, irq, dma, ops)))
+ if (!(p = parport_register_port((unsigned long)base, irq, dma, ops))) {
+ err = -ENOMEM;
goto out_free_ops;
+ }
p->size = size;
p->dev = &op->dev;
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index a2e88386af28..0fbf612b8ef2 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -303,6 +303,9 @@ int pcie_aer_get_firmware_first(struct pci_dev *dev)
if (!pci_is_pcie(dev))
return 0;
+ if (pcie_ports_native)
+ return 0;
+
if (!dev->__aer_firmware_first_valid)
aer_set_firmware_first(dev);
return dev->__aer_firmware_first;
@@ -323,6 +326,9 @@ bool aer_acpi_firmware_first(void)
.firmware_first = 0,
};
+ if (pcie_ports_native)
+ return false;
+
if (!parsed) {
apei_hest_parse(aer_hest_parse, &info);
aer_firmware_first = info.firmware_first;
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
index 4c4740ffeb9c..3ea685634b6c 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt7622.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
@@ -1537,7 +1537,7 @@ static int mtk_build_groups(struct mtk_pinctrl *hw)
err = pinctrl_generic_add_group(hw->pctrl, group->name,
group->pins, group->num_pins,
group->data);
- if (err) {
+ if (err < 0) {
dev_err(hw->dev, "Failed to register group %s\n",
group->name);
return err;
@@ -1558,7 +1558,7 @@ static int mtk_build_functions(struct mtk_pinctrl *hw)
func->group_names,
func->num_group_names,
func->data);
- if (err) {
+ if (err < 0) {
dev_err(hw->dev, "Failed to register function %s\n",
func->name);
return err;
diff --git a/drivers/pinctrl/pinctrl-rza1.c b/drivers/pinctrl/pinctrl-rza1.c
index 717c0f4449a0..f76edf664539 100644
--- a/drivers/pinctrl/pinctrl-rza1.c
+++ b/drivers/pinctrl/pinctrl-rza1.c
@@ -1006,6 +1006,7 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev,
const char *grpname;
const char **fngrps;
int ret, npins;
+ int gsel, fsel;
npins = rza1_dt_node_pin_count(np);
if (npins < 0) {
@@ -1055,18 +1056,19 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev,
fngrps[0] = grpname;
mutex_lock(&rza1_pctl->mutex);
- ret = pinctrl_generic_add_group(pctldev, grpname, grpins, npins,
- NULL);
- if (ret) {
+ gsel = pinctrl_generic_add_group(pctldev, grpname, grpins, npins,
+ NULL);
+ if (gsel < 0) {
mutex_unlock(&rza1_pctl->mutex);
- return ret;
+ return gsel;
}
- ret = pinmux_generic_add_function(pctldev, grpname, fngrps, 1,
- mux_confs);
- if (ret)
+ fsel = pinmux_generic_add_function(pctldev, grpname, fngrps, 1,
+ mux_confs);
+ if (fsel < 0) {
+ ret = fsel;
goto remove_group;
- mutex_unlock(&rza1_pctl->mutex);
+ }
dev_info(rza1_pctl->dev, "Parsed function and group %s with %d pins\n",
grpname, npins);
@@ -1083,15 +1085,15 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev,
(*map)->data.mux.group = np->name;
(*map)->data.mux.function = np->name;
*num_maps = 1;
+ mutex_unlock(&rza1_pctl->mutex);
return 0;
remove_function:
- mutex_lock(&rza1_pctl->mutex);
- pinmux_generic_remove_last_function(pctldev);
+ pinmux_generic_remove_function(pctldev, fsel);
remove_group:
- pinctrl_generic_remove_last_group(pctldev);
+ pinctrl_generic_remove_group(pctldev, gsel);
mutex_unlock(&rza1_pctl->mutex);
dev_info(rza1_pctl->dev, "Unable to parse function and group %s\n",
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 0e22f52b2a19..2155a30c282b 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -250,22 +250,30 @@ static int msm_config_group_get(struct pinctrl_dev *pctldev,
/* Convert register value to pinconf value */
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
- arg = arg == MSM_NO_PULL;
+ if (arg != MSM_NO_PULL)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
- arg = arg == MSM_PULL_DOWN;
+ if (arg != MSM_PULL_DOWN)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_BIAS_BUS_HOLD:
if (pctrl->soc->pull_no_keeper)
return -ENOTSUPP;
- arg = arg == MSM_KEEPER;
+ if (arg != MSM_KEEPER)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_BIAS_PULL_UP:
if (pctrl->soc->pull_no_keeper)
arg = arg == MSM_PULL_UP_NO_KEEPER;
else
arg = arg == MSM_PULL_UP;
+ if (!arg)
+ return -EINVAL;
break;
case PIN_CONFIG_DRIVE_STRENGTH:
arg = msm_regval_to_drive(arg);
diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
index 3e66e0d10010..cf82db78e69e 100644
--- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
@@ -390,31 +390,47 @@ static int pmic_gpio_config_get(struct pinctrl_dev *pctldev,
switch (param) {
case PIN_CONFIG_DRIVE_PUSH_PULL:
- arg = pad->buffer_type == PMIC_GPIO_OUT_BUF_CMOS;
+ if (pad->buffer_type != PMIC_GPIO_OUT_BUF_CMOS)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
- arg = pad->buffer_type == PMIC_GPIO_OUT_BUF_OPEN_DRAIN_NMOS;
+ if (pad->buffer_type != PMIC_GPIO_OUT_BUF_OPEN_DRAIN_NMOS)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_DRIVE_OPEN_SOURCE:
- arg = pad->buffer_type == PMIC_GPIO_OUT_BUF_OPEN_DRAIN_PMOS;
+ if (pad->buffer_type != PMIC_GPIO_OUT_BUF_OPEN_DRAIN_PMOS)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
- arg = pad->pullup == PMIC_GPIO_PULL_DOWN;
+ if (pad->pullup != PMIC_GPIO_PULL_DOWN)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_BIAS_DISABLE:
- arg = pad->pullup = PMIC_GPIO_PULL_DISABLE;
+ if (pad->pullup != PMIC_GPIO_PULL_DISABLE)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_BIAS_PULL_UP:
- arg = pad->pullup == PMIC_GPIO_PULL_UP_30;
+ if (pad->pullup != PMIC_GPIO_PULL_UP_30)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
- arg = !pad->is_enabled;
+ if (pad->is_enabled)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_POWER_SOURCE:
arg = pad->power_source;
break;
case PIN_CONFIG_INPUT_ENABLE:
- arg = pad->input_enabled;
+ if (!pad->input_enabled)
+ return -EINVAL;
+ arg = 1;
break;
case PIN_CONFIG_OUTPUT:
arg = pad->out_value;
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index eef76bfa5d73..e50941c3ba54 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -34,6 +34,7 @@
#define TOSHIBA_ACPI_VERSION "0.24"
#define PROC_INTERFACE_VERSION 1
+#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -1682,7 +1683,7 @@ static const struct file_operations keys_proc_fops = {
.write = keys_proc_write,
};
-static int version_proc_show(struct seq_file *m, void *v)
+static int __maybe_unused version_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION);
seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION);
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index 9817f1a75342..ba3d5e63ada6 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -1752,7 +1752,8 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
const char *name;
struct device *dev = &pdev->dev;
struct device_node *node = pdev->dev.of_node;
- struct device_node *syscon;
+ struct device_node *syscon, *reg_node;
+ struct property *reg_prop;
int ret, lenp;
struct list_head *vreg_list;
@@ -1774,16 +1775,19 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
syscon = of_parse_phandle(node, "qcom,saw-reg", 0);
saw_regmap = syscon_node_to_regmap(syscon);
of_node_put(syscon);
- if (IS_ERR(regmap))
+ if (IS_ERR(saw_regmap))
dev_err(dev, "ERROR reading SAW regmap\n");
}
for (reg = match->data; reg->name; reg++) {
- if (saw_regmap && \
- of_find_property(of_find_node_by_name(node, reg->name), \
- "qcom,saw-slave", &lenp)) {
- continue;
+ if (saw_regmap) {
+ reg_node = of_get_child_by_name(node, reg->name);
+ reg_prop = of_find_property(reg_node, "qcom,saw-slave",
+ &lenp);
+ of_node_put(reg_node);
+ if (reg_prop)
+ continue;
}
vreg = devm_kzalloc(dev, sizeof(*vreg), GFP_KERNEL);
@@ -1816,13 +1820,17 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
if (ret)
continue;
- if (saw_regmap && \
- of_find_property(of_find_node_by_name(node, reg->name), \
- "qcom,saw-leader", &lenp)) {
- spmi_saw_ops = *(vreg->desc.ops);
- spmi_saw_ops.set_voltage_sel = \
- spmi_regulator_saw_set_voltage;
- vreg->desc.ops = &spmi_saw_ops;
+ if (saw_regmap) {
+ reg_node = of_get_child_by_name(node, reg->name);
+ reg_prop = of_find_property(reg_node, "qcom,saw-leader",
+ &lenp);
+ of_node_put(reg_node);
+ if (reg_prop) {
+ spmi_saw_ops = *(vreg->desc.ops);
+ spmi_saw_ops.set_voltage_sel =
+ spmi_regulator_saw_set_voltage;
+ vreg->desc.ops = &spmi_saw_ops;
+ }
}
config.dev = dev;
diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c
index 2bf8e7c49f2a..e5ec59102b01 100644
--- a/drivers/remoteproc/qcom_q6v5_pil.c
+++ b/drivers/remoteproc/qcom_q6v5_pil.c
@@ -1370,7 +1370,6 @@ static const struct rproc_hexagon_res sdm845_mss = {
.hexagon_mba_image = "mba.mbn",
.proxy_clk_names = (char*[]){
"xo",
- "axis2",
"prng",
NULL
},
diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c
index 4db177bc89bc..fdeac1946429 100644
--- a/drivers/reset/reset-imx7.c
+++ b/drivers/reset/reset-imx7.c
@@ -80,7 +80,7 @@ static int imx7_reset_set(struct reset_controller_dev *rcdev,
{
struct imx7_src *imx7src = to_imx7_src(rcdev);
const struct imx7_src_signal *signal = &imx7_src_signals[id];
- unsigned int value = 0;
+ unsigned int value = assert ? signal->bit : 0;
switch (id) {
case IMX7_RESET_PCIEPHY:
diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c
index d768f6747961..113493b52149 100644
--- a/drivers/rtc/rtc-bq4802.c
+++ b/drivers/rtc/rtc-bq4802.c
@@ -162,6 +162,10 @@ static int bq4802_probe(struct platform_device *pdev)
} else if (p->r->flags & IORESOURCE_MEM) {
p->regs = devm_ioremap(&pdev->dev, p->r->start,
resource_size(p->r));
+ if (!p->regs){
+ err = -ENOMEM;
+ goto out;
+ }
p->read = bq4802_read_mem;
p->write = bq4802_write_mem;
} else {
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index d01ac29fd986..ffdb78421a25 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -3530,13 +3530,14 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
if (atomic_read(&queue->set_pci_flags_count))
qdio_flags |= QDIO_FLAG_PCI_OUT;
+ atomic_add(count, &queue->used_buffers);
+
rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
queue->queue_no, index, count);
if (queue->card->options.performance_stats)
queue->card->perf_stats.outbound_do_qdio_time +=
qeth_get_micros() -
queue->card->perf_stats.outbound_do_qdio_start_time;
- atomic_add(count, &queue->used_buffers);
if (rc) {
queue->card->stats.tx_errors += count;
/* ignore temporary SIGA errors without busy condition */
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index c3f18afb368b..cfb659747693 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -426,6 +426,7 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
if (card->discipline) {
card->discipline->remove(card->gdev);
qeth_core_free_discipline(card);
+ card->options.layer2 = -1;
}
rc = qeth_core_load_discipline(card, newdis);
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index 3f3569ec5ce3..ddc7921ae5da 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -294,9 +294,11 @@ static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
* discovery, reverify or log them in. Otherwise, log them out.
* Skip ports which were never discovered. These are the dNS port
* and ports which were created by PLOGI.
+ *
+ * We don't need to use the _rcu variant here as the rport list
+ * is protected by the disc mutex which is already held on entry.
*/
- rcu_read_lock();
- list_for_each_entry_rcu(rdata, &disc->rports, peers) {
+ list_for_each_entry(rdata, &disc->rports, peers) {
if (!kref_get_unless_zero(&rdata->kref))
continue;
if (rdata->disc_id) {
@@ -307,7 +309,6 @@ static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
}
kref_put(&rdata->kref, fc_rport_destroy);
}
- rcu_read_unlock();
mutex_unlock(&disc->disc_mutex);
disc->disc_callback(lport, event);
mutex_lock(&disc->disc_mutex);
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index d723fd1d7b26..cab1fb087e6a 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -2976,7 +2976,7 @@ lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba)
struct lpfc_sli_ring *pring;
u32 i, wait_cnt = 0;
- if (phba->sli_rev < LPFC_SLI_REV4)
+ if (phba->sli_rev < LPFC_SLI_REV4 || !phba->sli4_hba.nvme_wq)
return;
/* Cycle through all NVME rings and make sure all outstanding
@@ -2985,6 +2985,9 @@ lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba)
for (i = 0; i < phba->cfg_nvme_io_channel; i++) {
pring = phba->sli4_hba.nvme_wq[i]->pring;
+ if (!pring)
+ continue;
+
/* Retrieve everything on the txcmplq */
while (!list_empty(&pring->txcmplq)) {
msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index 7271c9d885dd..5e5ec3363b44 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -402,6 +402,7 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
/* Process FCP command */
if (rc == 0) {
+ ctxp->rqb_buffer = NULL;
atomic_inc(&tgtp->rcv_fcp_cmd_out);
nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf);
return;
@@ -1116,8 +1117,17 @@ lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport,
lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n",
ctxp->oxid, ctxp->size, smp_processor_id());
+ if (!nvmebuf) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR,
+ "6425 Defer rcv: no buffer xri x%x: "
+ "flg %x ste %x\n",
+ ctxp->oxid, ctxp->flag, ctxp->state);
+ return;
+ }
+
tgtp = phba->targetport->private;
- atomic_inc(&tgtp->rcv_fcp_cmd_defer);
+ if (tgtp)
+ atomic_inc(&tgtp->rcv_fcp_cmd_defer);
/* Free the nvmebuf since a new buffer already replaced it */
nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf);
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index 70b2ee80d6bd..bf4bd71ab53f 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -364,11 +364,6 @@ static int qcom_smem_alloc_private(struct qcom_smem *smem,
end = phdr_to_last_uncached_entry(phdr);
cached = phdr_to_last_cached_entry(phdr);
- if (smem->global_partition) {
- dev_err(smem->dev, "Already found the global partition\n");
- return -EINVAL;
- }
-
while (hdr < end) {
if (hdr->canary != SMEM_PRIVATE_CANARY)
goto bad_canary;
@@ -736,6 +731,11 @@ static int qcom_smem_set_global_partition(struct qcom_smem *smem)
bool found = false;
int i;
+ if (smem->global_partition) {
+ dev_err(smem->dev, "Already found the global partition\n");
+ return -EINVAL;
+ }
+
ptable = qcom_smem_get_ptable(smem);
if (IS_ERR(ptable))
return PTR_ERR(ptable);
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index f693bfe95ab9..a087464efdd7 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -485,6 +485,8 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
dws->dma_inited = 0;
dws->dma_addr = (dma_addr_t)(dws->paddr + DW_SPI_DR);
+ spi_controller_set_devdata(master, dws);
+
ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED, dev_name(dev),
master);
if (ret < 0) {
@@ -518,7 +520,6 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
}
}
- spi_controller_set_devdata(master, dws);
ret = devm_spi_register_controller(dev, master);
if (ret) {
dev_err(&master->dev, "problem registering spi master\n");
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
index 396371728aa1..537d5bb5e294 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
@@ -767,7 +767,7 @@ static void free_bufs(struct dpaa2_eth_priv *priv, u64 *buf_array, int count)
for (i = 0; i < count; i++) {
vaddr = dpaa2_iova_to_virt(priv->iommu_domain, buf_array[i]);
dma_unmap_single(dev, buf_array[i], DPAA2_ETH_RX_BUF_SIZE,
- DMA_BIDIRECTIONAL);
+ DMA_FROM_DEVICE);
skb_free_frag(vaddr);
}
}
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index f0cefa1b7b0f..b20d34449ed4 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
@@ -439,16 +439,16 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream)
my_workqueue_init(alsa_stream);
ret = bcm2835_audio_open_connection(alsa_stream);
- if (ret) {
- ret = -1;
- goto exit;
- }
+ if (ret)
+ goto free_wq;
+
instance = alsa_stream->instance;
LOG_DBG(" instance (%p)\n", instance);
if (mutex_lock_interruptible(&instance->vchi_mutex)) {
LOG_DBG("Interrupted whilst waiting for lock on (%d)\n", instance->num_connections);
- return -EINTR;
+ ret = -EINTR;
+ goto free_wq;
}
vchi_service_use(instance->vchi_handle[0]);
@@ -471,7 +471,11 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream)
unlock:
vchi_service_release(instance->vchi_handle[0]);
mutex_unlock(&instance->vchi_mutex);
-exit:
+
+free_wq:
+ if (ret)
+ destroy_workqueue(alsa_stream->my_wq);
+
return ret;
}
diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
index ce26741ae9d9..3f61d04c47ab 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -580,6 +580,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
static void stop_streaming(struct vb2_queue *vq)
{
int ret;
+ unsigned long timeout;
struct bm2835_mmal_dev *dev = vb2_get_drv_priv(vq);
v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, "%s: dev:%p\n",
@@ -605,10 +606,10 @@ static void stop_streaming(struct vb2_queue *vq)
sizeof(dev->capture.frame_count));
/* wait for last frame to complete */
- ret = wait_for_completion_timeout(&dev->capture.frame_cmplt, HZ);
- if (ret <= 0)
+ timeout = wait_for_completion_timeout(&dev->capture.frame_cmplt, HZ);
+ if (timeout == 0)
v4l2_err(&dev->v4l2_dev,
- "error %d waiting for frame completion\n", ret);
+ "timed out waiting for frame completion\n");
v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
"disabling connection\n");
diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
index f5b5ead6347c..51e5b04ff0f5 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
@@ -630,6 +630,7 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance,
{
struct mmal_msg_context *msg_context;
int ret;
+ unsigned long timeout;
/* payload size must not cause message to exceed max size */
if (payload_len >
@@ -668,11 +669,11 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance,
return ret;
}
- ret = wait_for_completion_timeout(&msg_context->u.sync.cmplt, 3 * HZ);
- if (ret <= 0) {
- pr_err("error %d waiting for sync completion\n", ret);
- if (ret == 0)
- ret = -ETIME;
+ timeout = wait_for_completion_timeout(&msg_context->u.sync.cmplt,
+ 3 * HZ);
+ if (timeout == 0) {
+ pr_err("timed out waiting for sync completion\n");
+ ret = -ETIME;
/* todo: what happens if the message arrives after aborting */
release_msg_context(msg_context);
return ret;
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index bfb37f0be22f..863e86b9a424 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -124,7 +124,7 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
dev_warn(&ofdev->dev, "unsupported reg-io-width (%d)\n",
prop);
ret = -EINVAL;
- goto err_dispose;
+ goto err_unprepare;
}
}
port->flags |= UPF_IOREMAP;
diff --git a/drivers/tty/tty_baudrate.c b/drivers/tty/tty_baudrate.c
index 6ff8cdfc9d2a..3e827a3d48d5 100644
--- a/drivers/tty/tty_baudrate.c
+++ b/drivers/tty/tty_baudrate.c
@@ -157,18 +157,25 @@ void tty_termios_encode_baud_rate(struct ktermios *termios,
termios->c_ospeed = obaud;
#ifdef BOTHER
+ if ((termios->c_cflag >> IBSHIFT) & CBAUD)
+ ibinput = 1; /* An input speed was specified */
+
/* If the user asked for a precise weird speed give a precise weird
answer. If they asked for a Bfoo speed they may have problems
digesting non-exact replies so fuzz a bit */
- if ((termios->c_cflag & CBAUD) == BOTHER)
+ if ((termios->c_cflag & CBAUD) == BOTHER) {
oclose = 0;
+ if (!ibinput)
+ iclose = 0;
+ }
if (((termios->c_cflag >> IBSHIFT) & CBAUD) == BOTHER)
iclose = 0;
- if ((termios->c_cflag >> IBSHIFT) & CBAUD)
- ibinput = 1; /* An input speed was specified */
#endif
termios->c_cflag &= ~CBAUD;
+#ifdef IBSHIFT
+ termios->c_cflag &= ~(CBAUD << IBSHIFT);
+#endif
/*
* Our goal is to find a close match to the standard baud rate
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 75c4623ad779..f8ee32d9843a 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -779,20 +779,9 @@ static int acm_tty_write(struct tty_struct *tty,
}
if (acm->susp_count) {
- if (acm->putbuffer) {
- /* now to preserve order */
- usb_anchor_urb(acm->putbuffer->urb, &acm->delayed);
- acm->putbuffer = NULL;
- }
usb_anchor_urb(wb->urb, &acm->delayed);
spin_unlock_irqrestore(&acm->write_lock, flags);
return count;
- } else {
- if (acm->putbuffer) {
- /* at this point there is no good way to handle errors */
- acm_start_wb(acm, acm->putbuffer);
- acm->putbuffer = NULL;
- }
}
stat = acm_start_wb(acm, wb);
@@ -803,66 +792,6 @@ static int acm_tty_write(struct tty_struct *tty,
return count;
}
-static void acm_tty_flush_chars(struct tty_struct *tty)
-{
- struct acm *acm = tty->driver_data;
- struct acm_wb *cur;
- int err;
- unsigned long flags;
-
- spin_lock_irqsave(&acm->write_lock, flags);
-
- cur = acm->putbuffer;
- if (!cur) /* nothing to do */
- goto out;
-
- acm->putbuffer = NULL;
- err = usb_autopm_get_interface_async(acm->control);
- if (err < 0) {
- cur->use = 0;
- acm->putbuffer = cur;
- goto out;
- }
-
- if (acm->susp_count)
- usb_anchor_urb(cur->urb, &acm->delayed);
- else
- acm_start_wb(acm, cur);
-out:
- spin_unlock_irqrestore(&acm->write_lock, flags);
- return;
-}
-
-static int acm_tty_put_char(struct tty_struct *tty, unsigned char ch)
-{
- struct acm *acm = tty->driver_data;
- struct acm_wb *cur;
- int wbn;
- unsigned long flags;
-
-overflow:
- cur = acm->putbuffer;
- if (!cur) {
- spin_lock_irqsave(&acm->write_lock, flags);
- wbn = acm_wb_alloc(acm);
- if (wbn >= 0) {
- cur = &acm->wb[wbn];
- acm->putbuffer = cur;
- }
- spin_unlock_irqrestore(&acm->write_lock, flags);
- if (!cur)
- return 0;
- }
-
- if (cur->len == acm->writesize) {
- acm_tty_flush_chars(tty);
- goto overflow;
- }
-
- cur->buf[cur->len++] = ch;
- return 1;
-}
-
static int acm_tty_write_room(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
@@ -1987,8 +1916,6 @@ static const struct tty_operations acm_ops = {
.cleanup = acm_tty_cleanup,
.hangup = acm_tty_hangup,
.write = acm_tty_write,
- .put_char = acm_tty_put_char,
- .flush_chars = acm_tty_flush_chars,
.write_room = acm_tty_write_room,
.ioctl = acm_tty_ioctl,
.throttle = acm_tty_throttle,
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index eacc116e83da..ca06b20d7af9 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -96,7 +96,6 @@ struct acm {
unsigned long read_urbs_free;
struct urb *read_urbs[ACM_NR];
struct acm_rb read_buffers[ACM_NR];
- struct acm_wb *putbuffer; /* for acm_tty_put_char() */
int rx_buflimit;
spinlock_t read_lock;
u8 *notification_buffer; /* to reassemble fragmented notifications */
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index a0d284ef3f40..632a2bfabc08 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -458,7 +458,7 @@ static int service_outstanding_interrupt(struct wdm_device *desc)
set_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
- rv = usb_submit_urb(desc->response, GFP_KERNEL);
+ rv = usb_submit_urb(desc->response, GFP_ATOMIC);
spin_lock_irq(&desc->iuspin);
if (rv) {
dev_err(&desc->intf->dev,
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 66fe1b78d952..03432467b05f 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -515,8 +515,6 @@ static int resume_common(struct device *dev, int event)
event == PM_EVENT_RESTORE);
if (retval) {
dev_err(dev, "PCI post-resume error %d!\n", retval);
- if (hcd->shared_hcd)
- usb_hc_died(hcd->shared_hcd);
usb_hc_died(hcd);
}
}
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 1a15392326fc..525ebd03cfe5 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1340,6 +1340,11 @@ void usb_enable_interface(struct usb_device *dev,
* is submitted that needs that bandwidth. Some other operating systems
* allocate bandwidth early, when a configuration is chosen.
*
+ * xHCI reserves bandwidth and configures the alternate setting in
+ * usb_hcd_alloc_bandwidth(). If it fails the original interface altsetting
+ * may be disabled. Drivers cannot rely on any particular alternate
+ * setting being in effect after a failure.
+ *
* This call is synchronous, and may not be used in an interrupt context.
* Also, drivers must not change altsettings while urbs are scheduled for
* endpoints in that interface; all such urbs must first be completed
@@ -1375,6 +1380,12 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
alternate);
return -EINVAL;
}
+ /*
+ * usb3 hosts configure the interface in usb_hcd_alloc_bandwidth,
+ * including freeing dropped endpoint ring buffers.
+ * Make sure the interface endpoints are flushed before that
+ */
+ usb_disable_interface(dev, iface, false);
/* Make sure we have enough bandwidth for this alternate interface.
* Remove the current alt setting and add the new alt setting.
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 097057d2eacf..e77dfe5ed5ec 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -178,6 +178,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* CBM - Flash disk */
{ USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* WORLDE Controller KS49 or Prodipe MIDI 49C USB controller */
+ { USB_DEVICE(0x0218, 0x0201), .driver_info =
+ USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* WORLDE easy key (easykey.25) MIDI controller */
{ USB_DEVICE(0x0218, 0x0401), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
@@ -406,6 +410,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x2040, 0x7200), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
+ /* DJI CineSSD */
+ { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
+
/* INTEL VALUE SSD */
{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index db610c56f1d6..2aacd1afd9ff 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -25,7 +25,7 @@ struct dwc3;
#define DWC3_DEPCFG_XFER_IN_PROGRESS_EN BIT(9)
#define DWC3_DEPCFG_XFER_NOT_READY_EN BIT(10)
#define DWC3_DEPCFG_FIFO_ERROR_EN BIT(11)
-#define DWC3_DEPCFG_STREAM_EVENT_EN BIT(12)
+#define DWC3_DEPCFG_STREAM_EVENT_EN BIT(13)
#define DWC3_DEPCFG_BINTERVAL_M1(n) (((n) & 0xff) << 16)
#define DWC3_DEPCFG_STREAM_CAPABLE BIT(24)
#define DWC3_DEPCFG_EP_NUMBER(n) (((n) & 0x1f) << 25)
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 318246d8b2e2..b02ab2a8d927 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1545,11 +1545,14 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on)
writel(tmp | BIT(USB_DETECT_ENABLE), &dev->usb->usbctl);
} else {
writel(tmp & ~BIT(USB_DETECT_ENABLE), &dev->usb->usbctl);
- stop_activity(dev, dev->driver);
+ stop_activity(dev, NULL);
}
spin_unlock_irqrestore(&dev->lock, flags);
+ if (!is_on && dev->driver)
+ dev->driver->disconnect(&dev->gadget);
+
return 0;
}
@@ -2466,8 +2469,11 @@ static void stop_activity(struct net2280 *dev, struct usb_gadget_driver *driver)
nuke(&dev->ep[i]);
/* report disconnect; the driver is already quiesced */
- if (driver)
+ if (driver) {
+ spin_unlock(&dev->lock);
driver->disconnect(&dev->gadget);
+ spin_lock(&dev->lock);
+ }
usb_reinit(dev);
}
@@ -3341,6 +3347,8 @@ static void handle_stat0_irqs(struct net2280 *dev, u32 stat)
BIT(PCI_RETRY_ABORT_INTERRUPT))
static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
+__releases(dev->lock)
+__acquires(dev->lock)
{
struct net2280_ep *ep;
u32 tmp, num, mask, scratch;
@@ -3381,12 +3389,14 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
if (disconnect || reset) {
stop_activity(dev, dev->driver);
ep0_start(dev);
+ spin_unlock(&dev->lock);
if (reset)
usb_gadget_udc_reset
(&dev->gadget, dev->driver);
else
(dev->driver->disconnect)
(&dev->gadget);
+ spin_lock(&dev->lock);
return;
}
}
@@ -3405,6 +3415,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
tmp = BIT(SUSPEND_REQUEST_CHANGE_INTERRUPT);
if (stat & tmp) {
writel(tmp, &dev->regs->irqstat1);
+ spin_unlock(&dev->lock);
if (stat & BIT(SUSPEND_REQUEST_INTERRUPT)) {
if (dev->driver->suspend)
dev->driver->suspend(&dev->gadget);
@@ -3415,6 +3426,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
dev->driver->resume(&dev->gadget);
/* at high speed, note erratum 0133 */
}
+ spin_lock(&dev->lock);
stat &= ~tmp;
}
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 7cf98c793e04..5b5f1c8b47c9 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -787,12 +787,15 @@ static void usb3_irq_epc_int_1_speed(struct renesas_usb3 *usb3)
switch (speed) {
case USB_STA_SPEED_SS:
usb3->gadget.speed = USB_SPEED_SUPER;
+ usb3->gadget.ep0->maxpacket = USB3_EP0_SS_MAX_PACKET_SIZE;
break;
case USB_STA_SPEED_HS:
usb3->gadget.speed = USB_SPEED_HIGH;
+ usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
break;
case USB_STA_SPEED_FS:
usb3->gadget.speed = USB_SPEED_FULL;
+ usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
break;
default:
usb3->gadget.speed = USB_SPEED_UNKNOWN;
@@ -2451,7 +2454,7 @@ static int renesas_usb3_init_ep(struct renesas_usb3 *usb3, struct device *dev,
/* for control pipe */
usb3->gadget.ep0 = &usb3_ep->ep;
usb_ep_set_maxpacket_limit(&usb3_ep->ep,
- USB3_EP0_HSFS_MAX_PACKET_SIZE);
+ USB3_EP0_SS_MAX_PACKET_SIZE);
usb3_ep->ep.caps.type_control = true;
usb3_ep->ep.caps.dir_in = true;
usb3_ep->ep.caps.dir_out = true;
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index 032b8652910a..02f8e08b3ee8 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -2555,7 +2555,7 @@ static int u132_get_frame(struct usb_hcd *hcd)
} else {
int frame = 0;
dev_err(&u132->platform_dev->dev, "TODO: u132_get_frame\n");
- msleep(100);
+ mdelay(100);
return frame;
}
}
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index ef350c33dc4a..b1f27aa38b10 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1613,6 +1613,10 @@ void xhci_endpoint_copy(struct xhci_hcd *xhci,
in_ep_ctx->ep_info2 = out_ep_ctx->ep_info2;
in_ep_ctx->deq = out_ep_ctx->deq;
in_ep_ctx->tx_info = out_ep_ctx->tx_info;
+ if (xhci->quirks & XHCI_MTK_HOST) {
+ in_ep_ctx->reserved[0] = out_ep_ctx->reserved[0];
+ in_ep_ctx->reserved[1] = out_ep_ctx->reserved[1];
+ }
}
/* Copy output xhci_slot_ctx to the input xhci_slot_ctx.
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 68e6132aa8b2..c2220a7fc758 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -37,6 +37,21 @@ static unsigned long long quirks;
module_param(quirks, ullong, S_IRUGO);
MODULE_PARM_DESC(quirks, "Bit flags for quirks to be enabled as default");
+static bool td_on_ring(struct xhci_td *td, struct xhci_ring *ring)
+{
+ struct xhci_segment *seg = ring->first_seg;
+
+ if (!td || !td->start_seg)
+ return false;
+ do {
+ if (seg == td->start_seg)
+ return true;
+ seg = seg->next;
+ } while (seg && seg != ring->first_seg);
+
+ return false;
+}
+
/* TODO: copied from ehci-hcd.c - can this be refactored? */
/*
* xhci_handshake - spin reading hc until handshake completes or fails
@@ -1571,6 +1586,21 @@ static int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
goto done;
}
+ /*
+ * check ring is not re-allocated since URB was enqueued. If it is, then
+ * make sure none of the ring related pointers in this URB private data
+ * are touched, such as td_list, otherwise we overwrite freed data
+ */
+ if (!td_on_ring(&urb_priv->td[0], ep_ring)) {
+ xhci_err(xhci, "Canceled URB td not found on endpoint ring");
+ for (i = urb_priv->num_tds_done; i < urb_priv->num_tds; i++) {
+ td = &urb_priv->td[i];
+ if (!list_empty(&td->cancelled_td_list))
+ list_del_init(&td->cancelled_td_list);
+ }
+ goto err_giveback;
+ }
+
if (xhci->xhc_state & XHCI_STATE_HALTED) {
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"HC halted, freeing TD manually.");
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index de9a502491c2..69822852888a 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -369,7 +369,7 @@ static unsigned char parport_uss720_frob_control(struct parport *pp, unsigned ch
mask &= 0x0f;
val &= 0x0f;
d = (priv->reg[1] & (~mask)) ^ val;
- if (set_1284_register(pp, 2, d, GFP_KERNEL))
+ if (set_1284_register(pp, 2, d, GFP_ATOMIC))
return 0;
priv->reg[1] = d;
return d & 0xf;
@@ -379,7 +379,7 @@ static unsigned char parport_uss720_read_status(struct parport *pp)
{
unsigned char ret;
- if (get_1284_register(pp, 1, &ret, GFP_KERNEL))
+ if (get_1284_register(pp, 1, &ret, GFP_ATOMIC))
return 0;
return ret & 0xf8;
}
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 3be40eaa1ac9..1232dd49556d 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -421,13 +421,13 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
{
struct usb_yurex *dev;
int i, set = 0, retval = 0;
- char buffer[16];
+ char buffer[16 + 1];
char *data = buffer;
unsigned long long c, c2 = 0;
signed long timeout = 0;
DEFINE_WAIT(wait);
- count = min(sizeof(buffer), count);
+ count = min(sizeof(buffer) - 1, count);
dev = file->private_data;
/* verify that we actually have some data to write */
@@ -446,6 +446,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
retval = -EFAULT;
goto error;
}
+ buffer[count] = 0;
memset(dev->cntl_buffer, CMD_PADDING, YUREX_BUF_SIZE);
switch (buffer[0]) {
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index eecfd0671362..d045d8458f81 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -107,8 +107,12 @@ static int mtu3_device_enable(struct mtu3 *mtu)
(SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN |
SSUSB_U2_PORT_HOST_SEL));
- if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG)
+ if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) {
mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL);
+ if (mtu->is_u3_ip)
+ mtu3_setbits(ibase, SSUSB_U3_CTRL(0),
+ SSUSB_U3_PORT_DUAL_MODE);
+ }
return ssusb_check_clocks(mtu->ssusb, check_clk);
}
diff --git a/drivers/usb/mtu3/mtu3_hw_regs.h b/drivers/usb/mtu3/mtu3_hw_regs.h
index 6ee371478d89..a45bb253939f 100644
--- a/drivers/usb/mtu3/mtu3_hw_regs.h
+++ b/drivers/usb/mtu3/mtu3_hw_regs.h
@@ -459,6 +459,7 @@
/* U3D_SSUSB_U3_CTRL_0P */
#define SSUSB_U3_PORT_SSP_SPEED BIT(9)
+#define SSUSB_U3_PORT_DUAL_MODE BIT(7)
#define SSUSB_U3_PORT_HOST_SEL BIT(2)
#define SSUSB_U3_PORT_PDN BIT(1)
#define SSUSB_U3_PORT_DIS BIT(0)
diff --git a/drivers/usb/serial/io_ti.h b/drivers/usb/serial/io_ti.h
index e53c68261017..9bbcee37524e 100644
--- a/drivers/usb/serial/io_ti.h
+++ b/drivers/usb/serial/io_ti.h
@@ -173,7 +173,7 @@ struct ump_interrupt {
} __attribute__((packed));
-#define TIUMP_GET_PORT_FROM_CODE(c) (((c) >> 4) - 3)
+#define TIUMP_GET_PORT_FROM_CODE(c) (((c) >> 6) & 0x01)
#define TIUMP_GET_FUNC_FROM_CODE(c) ((c) & 0x0f)
#define TIUMP_INTERRUPT_CODE_LSR 0x03
#define TIUMP_INTERRUPT_CODE_MSR 0x04
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 6b22857f6e52..58fc7964ee6b 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -1119,7 +1119,7 @@ static void ti_break(struct tty_struct *tty, int break_state)
static int ti_get_port_from_code(unsigned char code)
{
- return (code >> 4) - 3;
+ return (code >> 6) & 0x01;
}
static int ti_get_func_from_code(unsigned char code)
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index c267f2812a04..e227bb5b794f 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -376,6 +376,15 @@ static int queuecommand_lck(struct scsi_cmnd *srb,
return 0;
}
+ if ((us->fflags & US_FL_NO_ATA_1X) &&
+ (srb->cmnd[0] == ATA_12 || srb->cmnd[0] == ATA_16)) {
+ memcpy(srb->sense_buffer, usb_stor_sense_invalidCDB,
+ sizeof(usb_stor_sense_invalidCDB));
+ srb->result = SAM_STAT_CHECK_CONDITION;
+ done(srb);
+ return 0;
+ }
+
/* enqueue the command and wake up the control thread */
srb->scsi_done = done;
us->srb = srb;
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 9e9de5452860..1f7b401c4d04 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -842,6 +842,27 @@ static int uas_slave_configure(struct scsi_device *sdev)
sdev->skip_ms_page_8 = 1;
sdev->wce_default_on = 1;
}
+
+ /*
+ * Some disks return the total number of blocks in response
+ * to READ CAPACITY rather than the highest block number.
+ * If this device makes that mistake, tell the sd driver.
+ */
+ if (devinfo->flags & US_FL_FIX_CAPACITY)
+ sdev->fix_capacity = 1;
+
+ /*
+ * Some devices don't like MODE SENSE with page=0x3f,
+ * which is the command used for checking if a device
+ * is write-protected. Now that we tell the sd driver
+ * to do a 192-byte transfer with this command the
+ * majority of devices work fine, but a few still can't
+ * handle it. The sd driver will simply assume those
+ * devices are write-enabled.
+ */
+ if (devinfo->flags & US_FL_NO_WP_DETECT)
+ sdev->skip_ms_page_3f = 1;
+
scsi_change_queue_depth(sdev, devinfo->qdepth - 2);
return 0;
}
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 22fcfccf453a..f7f83b21dc74 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2288,6 +2288,13 @@ UNUSUAL_DEV( 0x2735, 0x100b, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_GO_SLOW ),
+/* Reported-by: Tim Anderson <tsa@...lakesoftware.com> */
+UNUSUAL_DEV( 0x2ca3, 0x0031, 0x0000, 0x9999,
+ "DJI",
+ "CineSSD",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_ATA_1X),
+
/*
* Reported by Frederic Marchal <frederic.marchal@...company.com>
* Mio Moov 330
diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c
index 2510fa728d77..de119f11b78f 100644
--- a/drivers/video/fbdev/core/modedb.c
+++ b/drivers/video/fbdev/core/modedb.c
@@ -644,7 +644,7 @@ static int fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info,
*
* Valid mode specifiers for @mode_option:
*
- * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m] or
+ * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][p][m] or
* <name>[-<bpp>][@<refresh>]
*
* with <xres>, <yres>, <bpp> and <refresh> decimal numbers and
@@ -653,10 +653,10 @@ static int fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info,
* If 'M' is present after yres (and before refresh/bpp if present),
* the function will compute the timings using VESA(tm) Coordinated
* Video Timings (CVT). If 'R' is present after 'M', will compute with
- * reduced blanking (for flatpanels). If 'i' is present, compute
- * interlaced mode. If 'm' is present, add margins equal to 1.8%
- * of xres rounded down to 8 pixels, and 1.8% of yres. The char
- * 'i' and 'm' must be after 'M' and 'R'. Example:
+ * reduced blanking (for flatpanels). If 'i' or 'p' are present, compute
+ * interlaced or progressive mode. If 'm' is present, add margins equal
+ * to 1.8% of xres rounded down to 8 pixels, and 1.8% of yres. The chars
+ * 'i', 'p' and 'm' must be after 'M' and 'R'. Example:
*
* 1024x768MR-8@60m - Reduced blank with margins at 60Hz.
*
@@ -697,7 +697,8 @@ int fb_find_mode(struct fb_var_screeninfo *var,
unsigned int namelen = strlen(name);
int res_specified = 0, bpp_specified = 0, refresh_specified = 0;
unsigned int xres = 0, yres = 0, bpp = default_bpp, refresh = 0;
- int yres_specified = 0, cvt = 0, rb = 0, interlace = 0;
+ int yres_specified = 0, cvt = 0, rb = 0;
+ int interlace_specified = 0, interlace = 0;
int margins = 0;
u32 best, diff, tdiff;
@@ -748,9 +749,17 @@ int fb_find_mode(struct fb_var_screeninfo *var,
if (!cvt)
margins = 1;
break;
+ case 'p':
+ if (!cvt) {
+ interlace = 0;
+ interlace_specified = 1;
+ }
+ break;
case 'i':
- if (!cvt)
+ if (!cvt) {
interlace = 1;
+ interlace_specified = 1;
+ }
break;
default:
goto done;
@@ -819,11 +828,21 @@ int fb_find_mode(struct fb_var_screeninfo *var,
if ((name_matches(db[i], name, namelen) ||
(res_specified && res_matches(db[i], xres, yres))) &&
!fb_try_mode(var, info, &db[i], bpp)) {
- if (refresh_specified && db[i].refresh == refresh)
- return 1;
+ const int db_interlace = (db[i].vmode &
+ FB_VMODE_INTERLACED ? 1 : 0);
+ int score = abs(db[i].refresh - refresh);
+
+ if (interlace_specified)
+ score += abs(db_interlace - interlace);
+
+ if (!interlace_specified ||
+ db_interlace == interlace)
+ if (refresh_specified &&
+ db[i].refresh == refresh)
+ return 1;
- if (abs(db[i].refresh - refresh) < diff) {
- diff = abs(db[i].refresh - refresh);
+ if (score < diff) {
+ diff = score;
best = i;
}
}
diff --git a/drivers/video/fbdev/goldfishfb.c b/drivers/video/fbdev/goldfishfb.c
index 3b70044773b6..9fe7edf725c6 100644
--- a/drivers/video/fbdev/goldfishfb.c
+++ b/drivers/video/fbdev/goldfishfb.c
@@ -301,6 +301,7 @@ static int goldfish_fb_remove(struct platform_device *pdev)
dma_free_coherent(&pdev->dev, framesize, (void *)fb->fb.screen_base,
fb->fb.fix.smem_start);
iounmap(fb->reg_base);
+ kfree(fb);
return 0;
}
diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index 585f39efcff6..1c75f4806ed3 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -958,7 +958,7 @@ int omapfb_register_client(struct omapfb_notifier_block *omapfb_nb,
{
int r;
- if ((unsigned)omapfb_nb->plane_idx > OMAPFB_PLANE_NUM)
+ if ((unsigned)omapfb_nb->plane_idx >= OMAPFB_PLANE_NUM)
return -EINVAL;
if (!notifier_inited) {
diff --git a/drivers/video/fbdev/omap2/omapfb/Makefile b/drivers/video/fbdev/omap2/omapfb/Makefile
index 602edfed09df..f54c3f56b641 100644
--- a/drivers/video/fbdev/omap2/omapfb/Makefile
+++ b/drivers/video/fbdev/omap2/omapfb/Makefile
@@ -2,5 +2,5 @@
obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
obj-y += dss/
obj-y += displays/
-obj-$(CONFIG_FB_OMAP2) += omapfb.o
-omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
+obj-$(CONFIG_FB_OMAP2) += omap2fb.o
+omap2fb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index 76722a59f55e..dfe382e68287 100644
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -2128,8 +2128,8 @@ static int of_get_pxafb_display(struct device *dev, struct device_node *disp,
return -EINVAL;
ret = -ENOMEM;
- info->modes = kmalloc_array(timings->num_timings,
- sizeof(info->modes[0]), GFP_KERNEL);
+ info->modes = kcalloc(timings->num_timings, sizeof(info->modes[0]),
+ GFP_KERNEL);
if (!info->modes)
goto out;
info->num_modes = timings->num_timings;
diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c
index d2f785068ef4..7bb7e90b8f00 100644
--- a/drivers/video/fbdev/via/viafbdev.c
+++ b/drivers/video/fbdev/via/viafbdev.c
@@ -19,6 +19,7 @@
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include <linux/compiler.h>
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
@@ -1468,7 +1469,7 @@ static const struct file_operations viafb_vt1636_proc_fops = {
#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
-static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
+static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v)
{
via_odev_to_seq(m, supported_odev_map[
viaparinfo->shared->chip_info.gfx_chip_name]);
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 816cc921cf36..efae2fb0930a 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1751,7 +1751,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t,
const struct user_regset *regset = &view->regsets[i];
do_thread_regset_writeback(t->task, regset);
if (regset->core_note_type && regset->get &&
- (!regset->active || regset->active(t->task, regset))) {
+ (!regset->active || regset->active(t->task, regset) > 0)) {
int ret;
size_t size = regset_size(t->task, regset);
void *data = kmalloc(size, GFP_KERNEL);
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index eeab81c9452f..e169e1a5fd35 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -376,8 +376,15 @@ static char *nxt_dir_entry(char *old_entry, char *end_of_smb, int level)
new_entry = old_entry + sizeof(FIND_FILE_STANDARD_INFO) +
pfData->FileNameLength;
- } else
- new_entry = old_entry + le32_to_cpu(pDirInfo->NextEntryOffset);
+ } else {
+ u32 next_offset = le32_to_cpu(pDirInfo->NextEntryOffset);
+
+ if (old_entry + next_offset < old_entry) {
+ cifs_dbg(VFS, "invalid offset %u\n", next_offset);
+ return NULL;
+ }
+ new_entry = old_entry + next_offset;
+ }
cifs_dbg(FYI, "new entry %p old entry %p\n", new_entry, old_entry);
/* validate that new_entry is not past end of SMB */
if (new_entry >= end_of_smb) {
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 82be1dfeca33..29cce842ed04 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2418,14 +2418,14 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
/* We check for obvious errors in the output buffer length and offset */
if (*plen == 0)
goto ioctl_exit; /* server returned no data */
- else if (*plen > 0xFF00) {
+ else if (*plen > rsp_iov.iov_len || *plen > 0xFF00) {
cifs_dbg(VFS, "srv returned invalid ioctl length: %d\n", *plen);
*plen = 0;
rc = -EIO;
goto ioctl_exit;
}
- if (rsp_iov.iov_len < le32_to_cpu(rsp->OutputOffset) + *plen) {
+ if (rsp_iov.iov_len - *plen < le32_to_cpu(rsp->OutputOffset)) {
cifs_dbg(VFS, "Malformed ioctl resp: len %d offset %d\n", *plen,
le32_to_cpu(rsp->OutputOffset));
*plen = 0;
@@ -3492,33 +3492,38 @@ num_entries(char *bufstart, char *end_of_buf, char **lastentry, size_t size)
int len;
unsigned int entrycount = 0;
unsigned int next_offset = 0;
- FILE_DIRECTORY_INFO *entryptr;
+ char *entryptr;
+ FILE_DIRECTORY_INFO *dir_info;
if (bufstart == NULL)
return 0;
- entryptr = (FILE_DIRECTORY_INFO *)bufstart;
+ entryptr = bufstart;
while (1) {
- entryptr = (FILE_DIRECTORY_INFO *)
- ((char *)entryptr + next_offset);
-
- if ((char *)entryptr + size > end_of_buf) {
+ if (entryptr + next_offset < entryptr ||
+ entryptr + next_offset > end_of_buf ||
+ entryptr + next_offset + size > end_of_buf) {
cifs_dbg(VFS, "malformed search entry would overflow\n");
break;
}
- len = le32_to_cpu(entryptr->FileNameLength);
- if ((char *)entryptr + len + size > end_of_buf) {
+ entryptr = entryptr + next_offset;
+ dir_info = (FILE_DIRECTORY_INFO *)entryptr;
+
+ len = le32_to_cpu(dir_info->FileNameLength);
+ if (entryptr + len < entryptr ||
+ entryptr + len > end_of_buf ||
+ entryptr + len + size > end_of_buf) {
cifs_dbg(VFS, "directory entry name would overflow frame end of buf %p\n",
end_of_buf);
break;
}
- *lastentry = (char *)entryptr;
+ *lastentry = entryptr;
entrycount++;
- next_offset = le32_to_cpu(entryptr->NextEntryOffset);
+ next_offset = le32_to_cpu(dir_info->NextEntryOffset);
if (!next_offset)
break;
}
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 577cff24707b..39843fa7e11b 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1777,6 +1777,16 @@ void configfs_unregister_group(struct config_group *group)
struct dentry *dentry = group->cg_item.ci_dentry;
struct dentry *parent = group->cg_item.ci_parent->ci_dentry;
+ mutex_lock(&subsys->su_mutex);
+ if (!group->cg_item.ci_parent->ci_group) {
+ /*
+ * The parent has already been unlinked and detached
+ * due to a rmdir.
+ */
+ goto unlink_group;
+ }
+ mutex_unlock(&subsys->su_mutex);
+
inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
spin_lock(&configfs_dirent_lock);
configfs_detach_prep(dentry, NULL);
@@ -1791,6 +1801,7 @@ void configfs_unregister_group(struct config_group *group)
dput(dentry);
mutex_lock(&subsys->su_mutex);
+unlink_group:
unlink_group(group);
mutex_unlock(&subsys->su_mutex);
}
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 128d489acebb..742147cbe759 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3106,9 +3106,19 @@ static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags,
static void kill_f2fs_super(struct super_block *sb)
{
if (sb->s_root) {
- set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE);
- f2fs_stop_gc_thread(F2FS_SB(sb));
- f2fs_stop_discard_thread(F2FS_SB(sb));
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+
+ set_sbi_flag(sbi, SBI_IS_CLOSE);
+ f2fs_stop_gc_thread(sbi);
+ f2fs_stop_discard_thread(sbi);
+
+ if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||
+ !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
+ struct cp_control cpc = {
+ .reason = CP_UMOUNT,
+ };
+ f2fs_write_checkpoint(sbi, &cpc);
+ }
}
kill_block_super(sb);
}
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index ed6699705c13..fd5bea55fd60 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -2060,7 +2060,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
end_of_file = (i_size_read(&ip->i_inode) + sdp->sd_sb.sb_bsize - 1) >> shift;
lblock = offset >> shift;
lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
- if (lblock_stop > end_of_file)
+ if (lblock_stop > end_of_file && ip != GFS2_I(sdp->sd_rindex))
return 1;
size = (lblock_stop - lblock) << shift;
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 33abcf29bc05..b86249ebde11 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1686,7 +1686,8 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
while(1) {
bi = rbm_bi(rbm);
- if (test_bit(GBF_FULL, &bi->bi_flags) &&
+ if ((ip == NULL || !gfs2_rs_active(&ip->i_res)) &&
+ test_bit(GBF_FULL, &bi->bi_flags) &&
(state == GFS2_BLKST_FREE))
goto next_bitmap;
diff --git a/fs/namespace.c b/fs/namespace.c
index bd2f4c68506a..1949e0939d40 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -446,10 +446,10 @@ int mnt_want_write_file_path(struct file *file)
{
int ret;
- sb_start_write(file->f_path.mnt->mnt_sb);
+ sb_start_write(file_inode(file)->i_sb);
ret = __mnt_want_write_file(file);
if (ret)
- sb_end_write(file->f_path.mnt->mnt_sb);
+ sb_end_write(file_inode(file)->i_sb);
return ret;
}
@@ -540,7 +540,8 @@ void __mnt_drop_write_file(struct file *file)
void mnt_drop_write_file_path(struct file *file)
{
- mnt_drop_write(file->f_path.mnt);
+ __mnt_drop_write_file(file);
+ sb_end_write(file_inode(file)->i_sb);
}
void mnt_drop_write_file(struct file *file)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ff98e2a3f3cc..f688338b0482 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2642,14 +2642,18 @@ static void nfs41_check_delegation_stateid(struct nfs4_state *state)
}
nfs4_stateid_copy(&stateid, &delegation->stateid);
- if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags) ||
- !test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED,
- &delegation->flags)) {
+ if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) {
rcu_read_unlock();
nfs_finish_clear_delegation_stateid(state, &stateid);
return;
}
+ if (!test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED,
+ &delegation->flags)) {
+ rcu_read_unlock();
+ return;
+ }
+
cred = get_rpccred(delegation->cred);
rcu_read_unlock();
status = nfs41_test_and_free_expired_stateid(server, &stateid, cred);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2bf2eaa08ca7..3c18c12a5c4c 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1390,6 +1390,8 @@ int nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4_
if (!nfs4_state_mark_reclaim_nograce(clp, state))
return -EBADF;
+ nfs_inode_find_delegation_state_and_recover(state->inode,
+ &state->stateid);
dprintk("%s: scheduling stateid recovery for server %s\n", __func__,
clp->cl_hostname);
nfs4_schedule_state_manager(clp);
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index a275fba93170..708342f4692f 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -1194,7 +1194,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_callback_event,
TP_fast_assign(
__entry->error = error;
__entry->fhandle = nfs_fhandle_hash(fhandle);
- if (inode != NULL) {
+ if (!IS_ERR_OR_NULL(inode)) {
__entry->fileid = NFS_FILEID(inode);
__entry->dev = inode->i_sb->s_dev;
} else {
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 704b37311467..fa2121f877c1 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -970,16 +970,6 @@ static int ovl_get_upper(struct ovl_fs *ofs, struct path *upperpath)
if (err)
goto out;
- err = -EBUSY;
- if (ovl_inuse_trylock(upperpath->dentry)) {
- ofs->upperdir_locked = true;
- } else if (ofs->config.index) {
- pr_err("overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection.\n");
- goto out;
- } else {
- pr_warn("overlayfs: upperdir is in-use by another mount, accessing files from both mounts will result in undefined behavior.\n");
- }
-
upper_mnt = clone_private_mount(upperpath);
err = PTR_ERR(upper_mnt);
if (IS_ERR(upper_mnt)) {
@@ -990,6 +980,17 @@ static int ovl_get_upper(struct ovl_fs *ofs, struct path *upperpath)
/* Don't inherit atime flags */
upper_mnt->mnt_flags &= ~(MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME);
ofs->upper_mnt = upper_mnt;
+
+ err = -EBUSY;
+ if (ovl_inuse_trylock(ofs->upper_mnt->mnt_root)) {
+ ofs->upperdir_locked = true;
+ } else if (ofs->config.index) {
+ pr_err("overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection.\n");
+ goto out;
+ } else {
+ pr_warn("overlayfs: upperdir is in-use by another mount, accessing files from both mounts will result in undefined behavior.\n");
+ }
+
err = 0;
out:
return err;
@@ -1089,8 +1090,10 @@ static int ovl_get_workdir(struct ovl_fs *ofs, struct path *upperpath)
goto out;
}
+ ofs->workbasedir = dget(workpath.dentry);
+
err = -EBUSY;
- if (ovl_inuse_trylock(workpath.dentry)) {
+ if (ovl_inuse_trylock(ofs->workbasedir)) {
ofs->workdir_locked = true;
} else if (ofs->config.index) {
pr_err("overlayfs: workdir is in-use by another mount, mount with '-o index=off' to override exclusive workdir protection.\n");
@@ -1099,7 +1102,6 @@ static int ovl_get_workdir(struct ovl_fs *ofs, struct path *upperpath)
pr_warn("overlayfs: workdir is in-use by another mount, accessing files from both mounts will result in undefined behavior.\n");
}
- ofs->workbasedir = dget(workpath.dentry);
err = ovl_make_workdir(ofs, &workpath);
if (err)
goto out;
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index 951a14edcf51..0792595ebcfb 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -429,7 +429,12 @@ static void *persistent_ram_vmap(phys_addr_t start, size_t size,
vaddr = vmap(pages, page_count, VM_MAP, prot);
kfree(pages);
- return vaddr;
+ /*
+ * Since vmap() uses page granularity, we must add the offset
+ * into the page here, to get the byte granularity address
+ * into the mapping to represent the actual "start" location.
+ */
+ return vaddr + offset_in_page(start);
}
static void *persistent_ram_iomap(phys_addr_t start, size_t size,
@@ -448,6 +453,11 @@ static void *persistent_ram_iomap(phys_addr_t start, size_t size,
else
va = ioremap_wc(start, size);
+ /*
+ * Since request_mem_region() and ioremap() are byte-granularity
+ * there is no need handle anything special like we do when the
+ * vmap() case in persistent_ram_vmap() above.
+ */
return va;
}
@@ -468,7 +478,7 @@ static int persistent_ram_buffer_map(phys_addr_t start, phys_addr_t size,
return -ENOMEM;
}
- prz->buffer = prz->vaddr + offset_in_page(start);
+ prz->buffer = prz->vaddr;
prz->buffer_size = size - sizeof(struct persistent_ram_buffer);
return 0;
@@ -515,7 +525,8 @@ void persistent_ram_free(struct persistent_ram_zone *prz)
if (prz->vaddr) {
if (pfn_valid(prz->paddr >> PAGE_SHIFT)) {
- vunmap(prz->vaddr);
+ /* We must vunmap() at page-granularity. */
+ vunmap(prz->vaddr - offset_in_page(prz->paddr));
} else {
iounmap(prz->vaddr);
release_mem_region(prz->paddr, prz->size);
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 6eb06101089f..e8839d3a7559 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -112,6 +112,11 @@
*/
#define CRYPTO_ALG_OPTIONAL_KEY 0x00004000
+/*
+ * Don't trigger module loading
+ */
+#define CRYPTO_NOLOAD 0x00008000
+
/*
* Transform masks and values (for crt_flags).
*/
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 83957920653a..64f450593b54 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -357,7 +357,7 @@ struct mlx5_frag_buf {
struct mlx5_frag_buf_ctrl {
struct mlx5_frag_buf frag_buf;
u32 sz_m1;
- u32 frag_sz_m1;
+ u16 frag_sz_m1;
u32 strides_offset;
u8 log_sz;
u8 log_stride;
@@ -1042,7 +1042,7 @@ int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
void mlx5_health_cleanup(struct mlx5_core_dev *dev);
int mlx5_health_init(struct mlx5_core_dev *dev);
void mlx5_start_health_poll(struct mlx5_core_dev *dev);
-void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
+void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
diff --git a/include/linux/of.h b/include/linux/of.h
index 4d25e4f952d9..b99a1a8c2952 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -290,6 +290,8 @@ extern struct device_node *of_get_next_child(const struct device_node *node,
extern struct device_node *of_get_next_available_child(
const struct device_node *node, struct device_node *prev);
+extern struct device_node *of_get_compatible_child(const struct device_node *parent,
+ const char *compatible);
extern struct device_node *of_get_child_by_name(const struct device_node *node,
const char *name);
@@ -632,6 +634,12 @@ static inline bool of_have_populated_dt(void)
return false;
}
+static inline struct device_node *of_get_compatible_child(const struct device_node *parent,
+ const char *compatible)
+{
+ return NULL;
+}
+
static inline struct device_node *of_get_child_by_name(
const struct device_node *node,
const char *name)
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index c17c0c268436..dce35e16bff4 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -419,6 +419,13 @@ int audit_add_watch(struct audit_krule *krule, struct list_head **list)
struct path parent_path;
int h, ret = 0;
+ /*
+ * When we will be calling audit_add_to_parent, krule->watch might have
+ * been updated and watch might have been freed.
+ * So we need to keep a reference of watch.
+ */
+ audit_get_watch(watch);
+
mutex_unlock(&audit_filter_mutex);
/* Avoid calling path_lookup under audit_filter_mutex. */
@@ -427,8 +434,10 @@ int audit_add_watch(struct audit_krule *krule, struct list_head **list)
/* caller expects mutex locked */
mutex_lock(&audit_filter_mutex);
- if (ret)
+ if (ret) {
+ audit_put_watch(watch);
return ret;
+ }
/* either find an old parent or attach a new one */
parent = audit_find_parent(d_backing_inode(parent_path.dentry));
@@ -446,6 +455,7 @@ int audit_add_watch(struct audit_krule *krule, struct list_head **list)
*list = &audit_inode_hash[h];
error:
path_put(&parent_path);
+ audit_put_watch(watch);
return ret;
}
diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index 3d83ee7df381..badabb0b435c 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -95,7 +95,7 @@ static int compute_effective_progs(struct cgroup *cgrp,
enum bpf_attach_type type,
struct bpf_prog_array __rcu **array)
{
- struct bpf_prog_array __rcu *progs;
+ struct bpf_prog_array *progs;
struct bpf_prog_list *pl;
struct cgroup *p = cgrp;
int cnt = 0;
@@ -120,13 +120,12 @@ static int compute_effective_progs(struct cgroup *cgrp,
&p->bpf.progs[type], node) {
if (!pl->prog)
continue;
- rcu_dereference_protected(progs, 1)->
- progs[cnt++] = pl->prog;
+ progs->progs[cnt++] = pl->prog;
}
p = cgroup_parent(p);
} while (p);
- *array = progs;
+ rcu_assign_pointer(*array, progs);
return 0;
}
diff --git a/kernel/events/core.c b/kernel/events/core.c
index eec2d5fb676b..c7b3e34811ec 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5948,6 +5948,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size,
unsigned long sp;
unsigned int rem;
u64 dyn_size;
+ mm_segment_t fs;
/*
* We dump:
@@ -5965,7 +5966,10 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size,
/* Data. */
sp = perf_user_stack_pointer(regs);
+ fs = get_fs();
+ set_fs(USER_DS);
rem = __output_copy_user(handle, (void *) sp, dump_size);
+ set_fs(fs);
dyn_size = dump_size - rem;
perf_output_skip(handle, rem);
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 42fcb7f05fac..f42cf69ef539 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -1446,7 +1446,7 @@ static int rcu_torture_stall(void *args)
VERBOSE_TOROUT_STRING("rcu_torture_stall end holdoff");
}
if (!kthread_should_stop()) {
- stop_at = get_seconds() + stall_cpu;
+ stop_at = ktime_get_seconds() + stall_cpu;
/* RCU CPU stall is expected behavior in following code. */
rcu_read_lock();
if (stall_cpu_irqsoff)
@@ -1455,7 +1455,8 @@ static int rcu_torture_stall(void *args)
preempt_disable();
pr_alert("rcu_torture_stall start on CPU %d.\n",
smp_processor_id());
- while (ULONG_CMP_LT(get_seconds(), stop_at))
+ while (ULONG_CMP_LT((unsigned long)ktime_get_seconds(),
+ stop_at))
continue; /* Induce RCU CPU stall warning. */
if (stall_cpu_irqsoff)
local_irq_enable();
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 9c219f7b0970..478d9d3e6be9 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -735,11 +735,12 @@ static void attach_entity_cfs_rq(struct sched_entity *se);
* To solve this problem, we also cap the util_avg of successive tasks to
* only 1/2 of the left utilization budget:
*
- * util_avg_cap = (1024 - cfs_rq->avg.util_avg) / 2^n
+ * util_avg_cap = (cpu_scale - cfs_rq->avg.util_avg) / 2^n
*
- * where n denotes the nth task.
+ * where n denotes the nth task and cpu_scale the CPU capacity.
*
- * For example, a simplest series from the beginning would be like:
+ * For example, for a CPU with 1024 of capacity, a simplest series from
+ * the beginning would be like:
*
* task util_avg: 512, 256, 128, 64, 32, 16, 8, ...
* cfs_rq util_avg: 512, 768, 896, 960, 992, 1008, 1016, ...
@@ -751,7 +752,8 @@ void post_init_entity_util_avg(struct sched_entity *se)
{
struct cfs_rq *cfs_rq = cfs_rq_of(se);
struct sched_avg *sa = &se->avg;
- long cap = (long)(SCHED_CAPACITY_SCALE - cfs_rq->avg.util_avg) / 2;
+ long cpu_scale = arch_scale_cpu_capacity(NULL, cpu_of(rq_of(cfs_rq)));
+ long cap = (long)(cpu_scale - cfs_rq->avg.util_avg) / 2;
if (cap > 0) {
if (cfs_rq->avg.util_avg != 0) {
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index 928be527477e..a7a2aaa3026a 100644
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -392,35 +392,36 @@ static inline bool is_kthread_should_stop(void)
* if (condition)
* break;
*
- * p->state = mode; condition = true;
- * smp_mb(); // A smp_wmb(); // C
- * if (!wq_entry->flags & WQ_FLAG_WOKEN) wq_entry->flags |= WQ_FLAG_WOKEN;
- * schedule() try_to_wake_up();
- * p->state = TASK_RUNNING; ~~~~~~~~~~~~~~~~~~
- * wq_entry->flags &= ~WQ_FLAG_WOKEN; condition = true;
- * smp_mb() // B smp_wmb(); // C
- * wq_entry->flags |= WQ_FLAG_WOKEN;
- * }
- * remove_wait_queue(&wq_head, &wait);
+ * // in wait_woken() // in woken_wake_function()
*
+ * p->state = mode; wq_entry->flags |= WQ_FLAG_WOKEN;
+ * smp_mb(); // A try_to_wake_up():
+ * if (!(wq_entry->flags & WQ_FLAG_WOKEN)) <full barrier>
+ * schedule() if (p->state & mode)
+ * p->state = TASK_RUNNING; p->state = TASK_RUNNING;
+ * wq_entry->flags &= ~WQ_FLAG_WOKEN; ~~~~~~~~~~~~~~~~~~
+ * smp_mb(); // B condition = true;
+ * } smp_mb(); // C
+ * remove_wait_queue(&wq_head, &wait); wq_entry->flags |= WQ_FLAG_WOKEN;
*/
long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout)
{
- set_current_state(mode); /* A */
/*
- * The above implies an smp_mb(), which matches with the smp_wmb() from
- * woken_wake_function() such that if we observe WQ_FLAG_WOKEN we must
- * also observe all state before the wakeup.
+ * The below executes an smp_mb(), which matches with the full barrier
+ * executed by the try_to_wake_up() in woken_wake_function() such that
+ * either we see the store to wq_entry->flags in woken_wake_function()
+ * or woken_wake_function() sees our store to current->state.
*/
+ set_current_state(mode); /* A */
if (!(wq_entry->flags & WQ_FLAG_WOKEN) && !is_kthread_should_stop())
timeout = schedule_timeout(timeout);
__set_current_state(TASK_RUNNING);
/*
- * The below implies an smp_mb(), it too pairs with the smp_wmb() from
- * woken_wake_function() such that we must either observe the wait
- * condition being true _OR_ WQ_FLAG_WOKEN such that we will not miss
- * an event.
+ * The below executes an smp_mb(), which matches with the smp_mb() (C)
+ * in woken_wake_function() such that either we see the wait condition
+ * being true or the store to wq_entry->flags in woken_wake_function()
+ * follows ours in the coherence order.
*/
smp_store_mb(wq_entry->flags, wq_entry->flags & ~WQ_FLAG_WOKEN); /* B */
@@ -430,14 +431,8 @@ EXPORT_SYMBOL(wait_woken);
int woken_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key)
{
- /*
- * Although this function is called under waitqueue lock, LOCK
- * doesn't imply write barrier and the users expects write
- * barrier semantics on wakeup functions. The following
- * smp_wmb() is equivalent to smp_wmb() in try_to_wake_up()
- * and is paired with smp_store_mb() in wait_woken().
- */
- smp_wmb(); /* C */
+ /* Pairs with the smp_store_mb() in wait_woken(). */
+ smp_mb(); /* C */
wq_entry->flags |= WQ_FLAG_WOKEN;
return default_wake_function(wq_entry, mode, sync, key);
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 3264e1873219..deacc52d7ff1 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -159,7 +159,7 @@ void bt_accept_enqueue(struct sock *parent, struct sock *sk)
BT_DBG("parent %p, sk %p", parent, sk);
sock_hold(sk);
- lock_sock(sk);
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
list_add_tail(&bt_sk(sk)->accept_q, &bt_sk(parent)->accept_q);
bt_sk(sk)->parent = parent;
release_sock(sk);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index fb35b62af272..3680912f056a 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -939,9 +939,6 @@ struct ubuf_info *sock_zerocopy_alloc(struct sock *sk, size_t size)
WARN_ON_ONCE(!in_task());
- if (!sock_flag(sk, SOCK_ZEROCOPY))
- return NULL;
-
skb = sock_omalloc(sk, 0, GFP_KERNEL);
if (!skb)
return NULL;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 055f4bbba86b..41883c34a385 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -178,6 +178,9 @@ static void ipgre_err(struct sk_buff *skb, u32 info,
if (tpi->proto == htons(ETH_P_TEB))
itn = net_generic(net, gre_tap_net_id);
+ else if (tpi->proto == htons(ETH_P_ERSPAN) ||
+ tpi->proto == htons(ETH_P_ERSPAN2))
+ itn = net_generic(net, erspan_net_id);
else
itn = net_generic(net, ipgre_net_id);
@@ -328,6 +331,8 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
return PACKET_RCVD;
}
+ return PACKET_REJECT;
+
drop:
kfree_skb(skb);
return PACKET_RCVD;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 4491faf83f4f..086201d96d54 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1186,7 +1186,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
flags = msg->msg_flags;
- if (flags & MSG_ZEROCOPY && size) {
+ if (flags & MSG_ZEROCOPY && size && sock_flag(sk, SOCK_ZEROCOPY)) {
if (sk->sk_state != TCP_ESTABLISHED) {
err = -EINVAL;
goto out_err;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index bdf6fa78d0d2..aa082b71d2e4 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -495,7 +495,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
goto out_unlock;
}
- ieee80211_key_free(key, true);
+ ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
ret = 0;
out_unlock:
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index ee0d0cc8dc3b..c054ac85793c 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -656,11 +656,15 @@ int ieee80211_key_link(struct ieee80211_key *key,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_key *old_key;
- int idx, ret;
- bool pairwise;
-
- pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
- idx = key->conf.keyidx;
+ int idx = key->conf.keyidx;
+ bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
+ /*
+ * We want to delay tailroom updates only for station - in that
+ * case it helps roaming speed, but in other cases it hurts and
+ * can cause warnings to appear.
+ */
+ bool delay_tailroom = sdata->vif.type == NL80211_IFTYPE_STATION;
+ int ret;
mutex_lock(&sdata->local->key_mtx);
@@ -688,14 +692,14 @@ int ieee80211_key_link(struct ieee80211_key *key,
increment_tailroom_need_count(sdata);
ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
- ieee80211_key_destroy(old_key, true);
+ ieee80211_key_destroy(old_key, delay_tailroom);
ieee80211_debugfs_key_add(key);
if (!local->wowlan) {
ret = ieee80211_key_enable_hw_accel(key);
if (ret)
- ieee80211_key_free(key, true);
+ ieee80211_key_free(key, delay_tailroom);
} else {
ret = 0;
}
@@ -930,7 +934,8 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local,
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
- __ieee80211_key_destroy(key, true);
+ __ieee80211_key_destroy(key, key->sdata->vif.type ==
+ NL80211_IFTYPE_STATION);
}
for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
@@ -940,7 +945,8 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local,
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
- __ieee80211_key_destroy(key, true);
+ __ieee80211_key_destroy(key, key->sdata->vif.type ==
+ NL80211_IFTYPE_STATION);
}
mutex_unlock(&local->key_mtx);
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 5aa3a64aa4f0..48257d3a4201 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -60,11 +60,13 @@ struct rds_sock *rds_find_bound(__be32 addr, __be16 port)
u64 key = ((u64)addr << 32) | port;
struct rds_sock *rs;
- rs = rhashtable_lookup_fast(&bind_hash_table, &key, ht_parms);
+ rcu_read_lock();
+ rs = rhashtable_lookup(&bind_hash_table, &key, ht_parms);
if (rs && !sock_flag(rds_rs_to_sk(rs), SOCK_DEAD))
rds_sock_addref(rs);
else
rs = NULL;
+ rcu_read_unlock();
rdsdebug("returning rs %p for %pI4:%u\n", rs, &addr,
ntohs(port));
@@ -157,6 +159,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out;
}
+ sock_set_flag(sk, SOCK_RCU_FREE);
ret = rds_add_bound(rs, sin->sin_addr.s_addr, &sin->sin_port);
if (ret)
goto out;
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 0a5fa347135e..ac8ca238c541 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -578,6 +578,7 @@ static int tipc_release(struct socket *sock)
sk_stop_timer(sk, &sk->sk_timer);
tipc_sk_remove(tsk);
+ sock_orphan(sk);
/* Reject any messages that accumulated in backlog queue */
release_sock(sk);
tipc_dest_list_purge(&tsk->cong_links);
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 1f3d9789af30..b3344bbe336b 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -149,6 +149,9 @@ static int alloc_encrypted_sg(struct sock *sk, int len)
&ctx->sg_encrypted_num_elem,
&ctx->sg_encrypted_size, 0);
+ if (rc == -ENOSPC)
+ ctx->sg_encrypted_num_elem = ARRAY_SIZE(ctx->sg_encrypted_data);
+
return rc;
}
@@ -162,6 +165,9 @@ static int alloc_plaintext_sg(struct sock *sk, int len)
&ctx->sg_plaintext_num_elem, &ctx->sg_plaintext_size,
tls_ctx->pending_open_record_frags);
+ if (rc == -ENOSPC)
+ ctx->sg_plaintext_num_elem = ARRAY_SIZE(ctx->sg_plaintext_data);
+
return rc;
}
@@ -280,7 +286,7 @@ static int zerocopy_from_iter(struct sock *sk, struct iov_iter *from,
int length, int *pages_used,
unsigned int *size_used,
struct scatterlist *to, int to_max_pages,
- bool charge)
+ bool charge, bool revert)
{
struct page *pages[MAX_SKB_FRAGS];
@@ -331,6 +337,8 @@ static int zerocopy_from_iter(struct sock *sk, struct iov_iter *from,
out:
*size_used = size;
*pages_used = num_elem;
+ if (revert)
+ iov_iter_revert(from, size);
return rc;
}
@@ -432,7 +440,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
&ctx->sg_plaintext_size,
ctx->sg_plaintext_data,
ARRAY_SIZE(ctx->sg_plaintext_data),
- true);
+ true, false);
if (ret)
goto fallback_to_reg_send;
@@ -820,7 +828,7 @@ int tls_sw_recvmsg(struct sock *sk,
err = zerocopy_from_iter(sk, &msg->msg_iter,
to_copy, &pages,
&chunk, &sgin[1],
- MAX_SKB_FRAGS, false);
+ MAX_SKB_FRAGS, false, true);
if (err < 0)
goto fallback_to_reg_recv;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 7c5e8978aeaa..a94983e03a8b 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1831,7 +1831,10 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols,
/* Try to instantiate a bundle */
err = xfrm_tmpl_resolve(pols, num_pols, fl, xfrm, family);
if (err <= 0) {
- if (err != 0 && err != -EAGAIN)
+ if (err == 0)
+ return NULL;
+
+ if (err != -EAGAIN)
XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTPOLERROR);
return ERR_PTR(err);
}
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 86321f06461e..ed303f552f9d 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -400,3 +400,6 @@ endif
endef
#
###############################################################################
+
+# delete partially updated (i.e. corrupted) files on error
+.DELETE_ON_ERROR:
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index b60524310855..c20e3142b541 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -97,7 +97,8 @@ static struct shash_desc *init_desc(char type)
mutex_lock(&mutex);
if (*tfm)
goto out;
- *tfm = crypto_alloc_shash(algo, 0, CRYPTO_ALG_ASYNC);
+ *tfm = crypto_alloc_shash(algo, 0,
+ CRYPTO_ALG_ASYNC | CRYPTO_NOLOAD);
if (IS_ERR(*tfm)) {
rc = PTR_ERR(*tfm);
pr_err("Can not allocate %s (reason: %ld)\n", algo, rc);
diff --git a/security/security.c b/security/security.c
index 68f46d849abe..4e572b38937d 100644
--- a/security/security.c
+++ b/security/security.c
@@ -118,6 +118,8 @@ static int lsm_append(char *new, char **result)
if (*result == NULL) {
*result = kstrdup(new, GFP_KERNEL);
+ if (*result == NULL)
+ return -ENOMEM;
} else {
/* Check if it is the last registered name */
if (match_last_lsm(*result, new))
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 19de675d4504..8b6cd5a79bfa 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3924,15 +3924,19 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
struct smack_known *skp = NULL;
int rc = 0;
struct smk_audit_info ad;
+ u16 family = sk->sk_family;
#ifdef CONFIG_AUDIT
struct lsm_network_audit net;
#endif
#if IS_ENABLED(CONFIG_IPV6)
struct sockaddr_in6 sadd;
int proto;
+
+ if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP))
+ family = PF_INET;
#endif /* CONFIG_IPV6 */
- switch (sk->sk_family) {
+ switch (family) {
case PF_INET:
#ifdef CONFIG_SECURITY_SMACK_NETFILTER
/*
@@ -3950,7 +3954,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
*/
netlbl_secattr_init(&secattr);
- rc = netlbl_skbuff_getattr(skb, sk->sk_family, &secattr);
+ rc = netlbl_skbuff_getattr(skb, family, &secattr);
if (rc == 0)
skp = smack_from_secattr(&secattr, ssp);
else
@@ -3963,7 +3967,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
#endif
#ifdef CONFIG_AUDIT
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
- ad.a.u.net->family = sk->sk_family;
+ ad.a.u.net->family = family;
ad.a.u.net->netif = skb->skb_iif;
ipv4_skb_to_auditdata(skb, &ad.a, NULL);
#endif
@@ -3977,7 +3981,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
rc = smk_bu_note("IPv4 delivery", skp, ssp->smk_in,
MAY_WRITE, rc);
if (rc != 0)
- netlbl_skbuff_err(skb, sk->sk_family, rc, 0);
+ netlbl_skbuff_err(skb, family, rc, 0);
break;
#if IS_ENABLED(CONFIG_IPV6)
case PF_INET6:
@@ -3993,7 +3997,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
skp = smack_net_ambient;
#ifdef CONFIG_AUDIT
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
- ad.a.u.net->family = sk->sk_family;
+ ad.a.u.net->family = family;
ad.a.u.net->netif = skb->skb_iif;
ipv6_skb_to_auditdata(skb, &ad.a, NULL);
#endif /* CONFIG_AUDIT */
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 44b5ae833082..a4aac948ea49 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -626,27 +626,33 @@ EXPORT_SYMBOL(snd_interval_refine);
static int snd_interval_refine_first(struct snd_interval *i)
{
+ const unsigned int last_max = i->max;
+
if (snd_BUG_ON(snd_interval_empty(i)))
return -EINVAL;
if (snd_interval_single(i))
return 0;
i->max = i->min;
- i->openmax = i->openmin;
- if (i->openmax)
+ if (i->openmin)
i->max++;
+ /* only exclude max value if also excluded before refine */
+ i->openmax = (i->openmax && i->max >= last_max);
return 1;
}
static int snd_interval_refine_last(struct snd_interval *i)
{
+ const unsigned int last_min = i->min;
+
if (snd_BUG_ON(snd_interval_empty(i)))
return -EINVAL;
if (snd_interval_single(i))
return 0;
i->min = i->max;
- i->openmin = i->openmax;
- if (i->openmin)
+ if (i->openmax)
i->min--;
+ /* only exclude min value if also excluded before refine */
+ i->openmin = (i->openmin && i->min <= last_min);
return 1;
}
diff --git a/sound/isa/msnd/msnd_pinnacle.c b/sound/isa/msnd/msnd_pinnacle.c
index 6c584d9b6c42..a19f802b2071 100644
--- a/sound/isa/msnd/msnd_pinnacle.c
+++ b/sound/isa/msnd/msnd_pinnacle.c
@@ -82,10 +82,10 @@
static void set_default_audio_parameters(struct snd_msnd *chip)
{
- chip->play_sample_size = DEFSAMPLESIZE;
+ chip->play_sample_size = snd_pcm_format_width(DEFSAMPLESIZE);
chip->play_sample_rate = DEFSAMPLERATE;
chip->play_channels = DEFCHANNELS;
- chip->capture_sample_size = DEFSAMPLESIZE;
+ chip->capture_sample_size = snd_pcm_format_width(DEFSAMPLESIZE);
chip->capture_sample_rate = DEFSAMPLERATE;
chip->capture_channels = DEFCHANNELS;
}
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 38e4a8515709..d00734d31e04 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -291,10 +291,6 @@ static const struct snd_soc_dapm_widget hdmi_widgets[] = {
SND_SOC_DAPM_OUTPUT("TX"),
};
-static const struct snd_soc_dapm_route hdmi_routes[] = {
- { "TX", NULL, "Playback" },
-};
-
enum {
DAI_ID_I2S = 0,
DAI_ID_SPDIF,
@@ -689,9 +685,23 @@ static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd,
return snd_ctl_add(rtd->card->snd_card, kctl);
}
+static int hdmi_dai_probe(struct snd_soc_dai *dai)
+{
+ struct snd_soc_dapm_context *dapm;
+ struct snd_soc_dapm_route route = {
+ .sink = "TX",
+ .source = dai->driver->playback.stream_name,
+ };
+
+ dapm = snd_soc_component_get_dapm(dai->component);
+
+ return snd_soc_dapm_add_routes(dapm, &route, 1);
+}
+
static const struct snd_soc_dai_driver hdmi_i2s_dai = {
.name = "i2s-hifi",
.id = DAI_ID_I2S,
+ .probe = hdmi_dai_probe,
.playback = {
.stream_name = "I2S Playback",
.channels_min = 2,
@@ -707,6 +717,7 @@ static const struct snd_soc_dai_driver hdmi_i2s_dai = {
static const struct snd_soc_dai_driver hdmi_spdif_dai = {
.name = "spdif-hifi",
.id = DAI_ID_SPDIF,
+ .probe = hdmi_dai_probe,
.playback = {
.stream_name = "SPDIF Playback",
.channels_min = 2,
@@ -733,8 +744,6 @@ static int hdmi_of_xlate_dai_id(struct snd_soc_component *component,
static const struct snd_soc_component_driver hdmi_driver = {
.dapm_widgets = hdmi_widgets,
.num_dapm_widgets = ARRAY_SIZE(hdmi_widgets),
- .dapm_routes = hdmi_routes,
- .num_dapm_routes = ARRAY_SIZE(hdmi_routes),
.of_xlate_dai_id = hdmi_of_xlate_dai_id,
.idle_bias_on = 1,
.use_pmdown_time = 1,
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c
index 1570b91bf018..dca82dd6e3bf 100644
--- a/sound/soc/codecs/rt5514.c
+++ b/sound/soc/codecs/rt5514.c
@@ -64,8 +64,8 @@ static const struct reg_sequence rt5514_patch[] = {
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_ADCFED, 0x00000800},
{RT5514_ASRC_IN_CTRL1, 0x00000003},
- {RT5514_DOWNFILTER0_CTRL3, 0x10000362},
- {RT5514_DOWNFILTER1_CTRL3, 0x10000362},
+ {RT5514_DOWNFILTER0_CTRL3, 0x10000352},
+ {RT5514_DOWNFILTER1_CTRL3, 0x10000352},
};
static const struct reg_default rt5514_reg[] = {
@@ -92,10 +92,10 @@ static const struct reg_default rt5514_reg[] = {
{RT5514_ASRC_IN_CTRL1, 0x00000003},
{RT5514_DOWNFILTER0_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER0_CTRL2, 0x00020c2f},
- {RT5514_DOWNFILTER0_CTRL3, 0x10000362},
+ {RT5514_DOWNFILTER0_CTRL3, 0x10000352},
{RT5514_DOWNFILTER1_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER1_CTRL2, 0x00020c2f},
- {RT5514_DOWNFILTER1_CTRL3, 0x10000362},
+ {RT5514_DOWNFILTER1_CTRL3, 0x10000352},
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_LDO18_16, 0x02000345},
{RT5514_ANA_CTRL_ADC12, 0x0000a2a8},
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index 6b5669f3e85d..39d2c67cd064 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -1696,6 +1696,13 @@ static irqreturn_t rt5651_irq(int irq, void *data)
return IRQ_HANDLED;
}
+static void rt5651_cancel_work(void *data)
+{
+ struct rt5651_priv *rt5651 = data;
+
+ cancel_work_sync(&rt5651->jack_detect_work);
+}
+
static int rt5651_set_jack(struct snd_soc_component *component,
struct snd_soc_jack *hp_jack, void *data)
{
@@ -2036,6 +2043,11 @@ static int rt5651_i2c_probe(struct i2c_client *i2c,
INIT_WORK(&rt5651->jack_detect_work, rt5651_jack_detect_work);
+ /* Make sure work is stopped on probe-error / remove */
+ ret = devm_add_action_or_reset(&i2c->dev, rt5651_cancel_work, rt5651);
+ if (ret)
+ return ret;
+
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_component_dev_rt5651,
rt5651_dai, ARRAY_SIZE(rt5651_dai));
@@ -2043,15 +2055,6 @@ static int rt5651_i2c_probe(struct i2c_client *i2c,
return ret;
}
-static int rt5651_i2c_remove(struct i2c_client *i2c)
-{
- struct rt5651_priv *rt5651 = i2c_get_clientdata(i2c);
-
- cancel_work_sync(&rt5651->jack_detect_work);
-
- return 0;
-}
-
static struct i2c_driver rt5651_i2c_driver = {
.driver = {
.name = "rt5651",
@@ -2059,7 +2062,6 @@ static struct i2c_driver rt5651_i2c_driver = {
.of_match_table = of_match_ptr(rt5651_of_match),
},
.probe = rt5651_i2c_probe,
- .remove = rt5651_i2c_remove,
.id_table = rt5651_i2c_id,
};
module_i2c_driver(rt5651_i2c_driver);
diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
index 5002dd05bf27..f8298be7038f 100644
--- a/sound/soc/qcom/qdsp6/q6afe-dai.c
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -1180,7 +1180,7 @@ static void of_q6afe_parse_dai_data(struct device *dev,
int id, i, num_lines;
ret = of_property_read_u32(node, "reg", &id);
- if (ret || id > AFE_PORT_MAX) {
+ if (ret || id < 0 || id >= AFE_PORT_MAX) {
dev_err(dev, "valid dai id not found:%d\n", ret);
continue;
}
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 8aac48f9c322..08aa78007020 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2875,7 +2875,8 @@ YAMAHA_DEVICE(0x7010, "UB99"),
*/
#define AU0828_DEVICE(vid, pid, vname, pname) { \
- USB_DEVICE_VENDOR_SPEC(vid, pid), \
+ .idVendor = vid, \
+ .idProduct = pid, \
.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
USB_DEVICE_ID_MATCH_INT_CLASS | \
USB_DEVICE_ID_MATCH_INT_SUBCLASS, \
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 02b6cc02767f..dde87d64bc32 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1373,6 +1373,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
break;
+ case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */
case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
@@ -1443,6 +1444,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
*/
switch (USB_ID_VENDOR(chip->usb_id)) {
case 0x20b1: /* XMOS based devices */
+ case 0x152a: /* Thesycon devices */
case 0x25ce: /* Mytek devices */
if (fp->dsd_raw)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index dbf6e8bd98ba..bbb2a8ef367c 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -286,7 +286,7 @@ static int kvp_key_delete(int pool, const __u8 *key, int key_size)
* Found a match; just move the remaining
* entries up.
*/
- if (i == num_records) {
+ if (i == (num_records - 1)) {
kvp_file_info[pool].num_records--;
kvp_update_file(pool);
return 0;
diff --git a/tools/perf/arch/powerpc/util/skip-callchain-idx.c b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
index ef5d59a5742e..7c6eeb4633fe 100644
--- a/tools/perf/arch/powerpc/util/skip-callchain-idx.c
+++ b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
@@ -58,9 +58,13 @@ static int check_return_reg(int ra_regno, Dwarf_Frame *frame)
}
/*
- * Check if return address is on the stack.
+ * Check if return address is on the stack. If return address
+ * is in a register (typically R0), it is yet to be saved on
+ * the stack.
*/
- if (nops != 0 || ops != NULL)
+ if ((nops != 0 || ops != NULL) &&
+ !(nops == 1 && ops[0].atom == DW_OP_regx &&
+ ops[0].number2 == 0 && ops[0].offset == 0))
return 0;
/*
@@ -246,7 +250,7 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain)
if (!chain || chain->nr < 3)
return skip_slot;
- ip = chain->ips[2];
+ ip = chain->ips[1];
thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index dd850a26d579..4f5de8245b32 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -599,7 +599,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
for (subi = 0; subi < subn; subi++) {
pr_info("%2d.%1d: %-*s:", i, subi + 1, subw,
t->subtest.get_desc(subi));
- err = test_and_print(t, skip, subi);
+ err = test_and_print(t, skip, subi + 1);
if (err != TEST_OK && t->subtest.skip_if_fail)
skip = true;
}
diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
index 94e513e62b34..3013ac8f83d0 100755
--- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
@@ -13,11 +13,24 @@
libc=$(grep -w libc /proc/self/maps | head -1 | sed -r 's/.*[[:space:]](\/.*)/\1/g')
nm -Dg $libc 2>/dev/null | fgrep -q inet_pton || exit 254
+event_pattern='probe_libc:inet_pton(\_[[:digit:]]+)?'
+
+add_libc_inet_pton_event() {
+
+ event_name=$(perf probe -f -x $libc -a inet_pton 2>&1 | tail -n +2 | head -n -5 | \
+ grep -P -o "$event_pattern(?=[[:space:]]\(on inet_pton in $libc\))")
+
+ if [ $? -ne 0 -o -z "$event_name" ] ; then
+ printf "FAIL: could not add event\n"
+ return 1
+ fi
+}
+
trace_libc_inet_pton_backtrace() {
expected=`mktemp -u /tmp/expected.XXX`
- echo "ping[][0-9 \.:]+probe_libc:inet_pton: \([[:xdigit:]]+\)" > $expected
+ echo "ping[][0-9 \.:]+$event_name: \([[:xdigit:]]+\)" > $expected
echo ".*inet_pton\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected
case "$(uname -m)" in
s390x)
@@ -26,6 +39,12 @@ trace_libc_inet_pton_backtrace() {
echo "(__GI_)?getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected
echo "main\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$" >> $expected
;;
+ ppc64|ppc64le)
+ eventattr='max-stack=4'
+ echo "gaih_inet.*\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
+ echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
+ echo ".*\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$" >> $expected
+ ;;
*)
eventattr='max-stack=3'
echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected
@@ -35,7 +54,7 @@ trace_libc_inet_pton_backtrace() {
perf_data=`mktemp -u /tmp/perf.data.XXX`
perf_script=`mktemp -u /tmp/perf.script.XXX`
- perf record -e probe_libc:inet_pton/$eventattr/ -o $perf_data ping -6 -c 1 ::1 > /dev/null 2>&1
+ perf record -e $event_name/$eventattr/ -o $perf_data ping -6 -c 1 ::1 > /dev/null 2>&1
perf script -i $perf_data > $perf_script
exec 3<$perf_script
@@ -46,7 +65,7 @@ trace_libc_inet_pton_backtrace() {
echo "$line" | egrep -q "$pattern"
if [ $? -ne 0 ] ; then
printf "FAIL: expected backtrace entry \"%s\" got \"%s\"\n" "$pattern" "$line"
- exit 1
+ return 1
fi
done
@@ -56,13 +75,20 @@ trace_libc_inet_pton_backtrace() {
# even if the perf script output does not match.
}
+delete_libc_inet_pton_event() {
+
+ if [ -n "$event_name" ] ; then
+ perf probe -q -d $event_name
+ fi
+}
+
# Check for IPv6 interface existence
ip a sh lo | fgrep -q inet6 || exit 2
skip_if_no_perf_probe && \
-perf probe -q $libc inet_pton && \
+add_libc_inet_pton_event && \
trace_libc_inet_pton_backtrace
err=$?
rm -f ${perf_data} ${perf_script} ${expected}
-perf probe -q -d probe_libc:inet_pton
+delete_libc_inet_pton_event
exit $err
diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index 7798a2cc8a86..31279a7bd919 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -20,9 +20,10 @@ static struct rw_semaphore comm_str_lock = {.lock = PTHREAD_RWLOCK_INITIALIZER,}
static struct comm_str *comm_str__get(struct comm_str *cs)
{
- if (cs)
- refcount_inc(&cs->refcnt);
- return cs;
+ if (cs && refcount_inc_not_zero(&cs->refcnt))
+ return cs;
+
+ return NULL;
}
static void comm_str__put(struct comm_str *cs)
@@ -67,9 +68,14 @@ struct comm_str *__comm_str__findnew(const char *str, struct rb_root *root)
parent = *p;
iter = rb_entry(parent, struct comm_str, rb_node);
+ /*
+ * If we race with comm_str__put, iter->refcnt is 0
+ * and it will be removed within comm_str__put call
+ * shortly, ignore it in this search.
+ */
cmp = strcmp(str, iter->str);
- if (!cmp)
- return comm_str__get(iter);
+ if (!cmp && comm_str__get(iter))
+ return iter;
if (cmp < 0)
p = &(*p)->rb_left;
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 653ff65aa2c3..5af58aac91ad 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2587,7 +2587,7 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPR(NUMA_TOPOLOGY, numa_topology, true),
FEAT_OPN(BRANCH_STACK, branch_stack, false),
FEAT_OPR(PMU_MAPPINGS, pmu_mappings, false),
- FEAT_OPN(GROUP_DESC, group_desc, false),
+ FEAT_OPR(GROUP_DESC, group_desc, false),
FEAT_OPN(AUXTRACE, auxtrace, false),
FEAT_OPN(STAT, stat, false),
FEAT_OPN(CACHE, cache, true),
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index e7b4a8b513f2..22dbb6612b41 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2272,6 +2272,7 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
{
struct callchain_cursor *cursor = arg;
const char *srcline = NULL;
+ u64 addr;
if (symbol_conf.hide_unresolved && entry->sym == NULL)
return 0;
@@ -2279,7 +2280,13 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
if (append_inlines(cursor, entry->map, entry->sym, entry->ip) == 0)
return 0;
- srcline = callchain_srcline(entry->map, entry->sym, entry->ip);
+ /*
+ * Convert entry->ip from a virtual address to an offset in
+ * its corresponding binary.
+ */
+ addr = map__map_ip(entry->map, entry->ip);
+
+ srcline = callchain_srcline(entry->map, entry->sym, addr);
return callchain_cursor_append(cursor, entry->ip,
entry->map, entry->sym,
false, NULL, 0, 0, 0, srcline);
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 89ac5b5dc218..f5431092c6d1 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -590,6 +590,13 @@ struct symbol *map_groups__find_symbol(struct map_groups *mg,
return NULL;
}
+static bool map__contains_symbol(struct map *map, struct symbol *sym)
+{
+ u64 ip = map->unmap_ip(map, sym->start);
+
+ return ip >= map->start && ip < map->end;
+}
+
struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
struct map **mapp)
{
@@ -605,6 +612,10 @@ struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
if (sym == NULL)
continue;
+ if (!map__contains_symbol(pos, sym)) {
+ sym = NULL;
+ continue;
+ }
if (mapp != NULL)
*mapp = pos;
goto out;
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 538db4e5d1e6..6f318b15950e 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -77,7 +77,7 @@ static int entry(u64 ip, struct unwind_info *ui)
if (__report_module(&al, ip, ui))
return -1;
- e->ip = al.addr;
+ e->ip = ip;
e->map = al.map;
e->sym = al.sym;
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 6a11bc7e6b27..79f521a552cf 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -575,7 +575,7 @@ static int entry(u64 ip, struct thread *thread,
struct addr_location al;
e.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
- e.ip = al.addr;
+ e.ip = ip;
e.map = al.map;
pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n",
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index e2926f72a821..94c3bdf82ff7 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -1308,7 +1308,8 @@ static void smart_init(struct nfit_test *t)
| ND_INTEL_SMART_ALARM_VALID
| ND_INTEL_SMART_USED_VALID
| ND_INTEL_SMART_SHUTDOWN_VALID
- | ND_INTEL_SMART_MTEMP_VALID,
+ | ND_INTEL_SMART_MTEMP_VALID
+ | ND_INTEL_SMART_CTEMP_VALID,
.health = ND_INTEL_SMART_NON_CRITICAL_HEALTH,
.media_temperature = 23 * 16,
.ctrl_temperature = 25 * 16,
diff --git a/tools/testing/selftests/android/ion/ionapp_export.c b/tools/testing/selftests/android/ion/ionapp_export.c
index a944e72621a9..b5fa0a2dc968 100644
--- a/tools/testing/selftests/android/ion/ionapp_export.c
+++ b/tools/testing/selftests/android/ion/ionapp_export.c
@@ -51,6 +51,7 @@ int main(int argc, char *argv[])
heap_size = 0;
flags = 0;
+ heap_type = ION_HEAP_TYPE_SYSTEM;
while ((opt = getopt(argc, argv, "hi:s:")) != -1) {
switch (opt) {
diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c
index ca6cd146aafe..dcf73c5dab6e 100644
--- a/tools/testing/selftests/timers/raw_skew.c
+++ b/tools/testing/selftests/timers/raw_skew.c
@@ -134,6 +134,11 @@ int main(int argv, char **argc)
printf(" %lld.%i(act)", ppm/1000, abs((int)(ppm%1000)));
if (llabs(eppm - ppm) > 1000) {
+ if (tx1.offset || tx2.offset ||
+ tx1.freq != tx2.freq || tx1.tick != tx2.tick) {
+ printf(" [SKIP]\n");
+ return ksft_exit_skip("The clock was adjusted externally. Shutdown NTPd or other time sync daemons\n");
+ }
printf(" [FAILED]\n");
return ksft_exit_fail();
}
diff --git a/tools/testing/selftests/vDSO/vdso_test.c b/tools/testing/selftests/vDSO/vdso_test.c
index 2df26bd0099c..eda53f833d8e 100644
--- a/tools/testing/selftests/vDSO/vdso_test.c
+++ b/tools/testing/selftests/vDSO/vdso_test.c
@@ -15,6 +15,8 @@
#include <sys/auxv.h>
#include <sys/time.h>
+#include "../kselftest.h"
+
extern void *vdso_sym(const char *version, const char *name);
extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
extern void vdso_init_from_auxv(void *auxv);
@@ -37,7 +39,7 @@ int main(int argc, char **argv)
unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR);
if (!sysinfo_ehdr) {
printf("AT_SYSINFO_EHDR is not present!\n");
- return 0;
+ return KSFT_SKIP;
}
vdso_init_from_sysinfo_ehdr(getauxval(AT_SYSINFO_EHDR));
@@ -48,7 +50,7 @@ int main(int argc, char **argv)
if (!gtod) {
printf("Could not find %s\n", name);
- return 1;
+ return KSFT_SKIP;
}
struct timeval tv;
@@ -59,6 +61,7 @@ int main(int argc, char **argv)
(long long)tv.tv_sec, (long long)tv.tv_usec);
} else {
printf("%s failed\n", name);
+ return KSFT_FAIL;
}
return 0;
diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c
index 2673efce65f3..b71417913741 100644
--- a/virt/kvm/arm/vgic/vgic-init.c
+++ b/virt/kvm/arm/vgic/vgic-init.c
@@ -271,6 +271,10 @@ int vgic_init(struct kvm *kvm)
if (vgic_initialized(kvm))
return 0;
+ /* Are we also in the middle of creating a VCPU? */
+ if (kvm->created_vcpus != atomic_read(&kvm->online_vcpus))
+ return -EBUSY;
+
/* freeze the number of spis */
if (!dist->nr_spis)
dist->nr_spis = VGIC_NR_IRQS_LEGACY - VGIC_NR_PRIVATE_IRQS;
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c
index ffc587bf4742..64e571cc02df 100644
--- a/virt/kvm/arm/vgic/vgic-mmio-v2.c
+++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c
@@ -352,6 +352,9 @@ static void vgic_mmio_write_apr(struct kvm_vcpu *vcpu,
if (n > vgic_v3_max_apr_idx(vcpu))
return;
+
+ n = array_index_nospec(n, 4);
+
/* GICv3 only uses ICH_AP1Rn for memory mapped (GICv2) guests */
vgicv3->vgic_ap1r[n] = val;
}
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