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Message-ID: <20181004155216.GB7559@kroah.com>
Date: Thu, 4 Oct 2018 08:52:16 -0700
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 4.9.131
diff --git a/Documentation/hwmon/ina2xx b/Documentation/hwmon/ina2xx
index cfd31d94c872..f8bf14055c2f 100644
--- a/Documentation/hwmon/ina2xx
+++ b/Documentation/hwmon/ina2xx
@@ -32,7 +32,7 @@ Supported chips:
Datasheet: Publicly available at the Texas Instruments website
http://www.ti.com/
-Author: Lothar Felten <l-felten@...com>
+Author: Lothar Felten <lothar.felten@...il.com>
Description
-----------
diff --git a/Makefile b/Makefile
index b98e04a5e1e5..73c4e9a8c127 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 130
+SUBLEVEL = 131
EXTRAVERSION =
NAME = Roaring Lionus
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index ce54a70b7695..a1a928064b53 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -1770,7 +1770,7 @@
};
};
- dcan1: can@...cc000 {
+ dcan1: can@...3c000 {
compatible = "ti,dra7-d_can";
ti,hwmods = "dcan1";
reg = <0x4ae3c000 0x2000>;
@@ -1780,7 +1780,7 @@
status = "disabled";
};
- dcan2: can@...d0000 {
+ dcan2: can@...80000 {
compatible = "ti,dra7-d_can";
ti,hwmods = "dcan2";
reg = <0x48480000 0x2000>;
diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index f39bd51bce18..faaf7c3aaf9f 100644
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -116,8 +116,8 @@ void mvebu_pmsu_set_cpu_boot_addr(int hw_cpu, void *boot_addr)
PMSU_BOOT_ADDR_REDIRECT_OFFSET(hw_cpu));
}
-extern unsigned char mvebu_boot_wa_start;
-extern unsigned char mvebu_boot_wa_end;
+extern unsigned char mvebu_boot_wa_start[];
+extern unsigned char mvebu_boot_wa_end[];
/*
* This function sets up the boot address workaround needed for SMP
@@ -130,7 +130,7 @@ int mvebu_setup_boot_addr_wa(unsigned int crypto_eng_target,
phys_addr_t resume_addr_reg)
{
void __iomem *sram_virt_base;
- u32 code_len = &mvebu_boot_wa_end - &mvebu_boot_wa_start;
+ u32 code_len = mvebu_boot_wa_end - mvebu_boot_wa_start;
mvebu_mbus_del_window(BOOTROM_BASE, BOOTROM_SIZE);
mvebu_mbus_add_window_by_id(crypto_eng_target, crypto_eng_attribute,
diff --git a/arch/arm/mach-omap2/omap_hwmod_reset.c b/arch/arm/mach-omap2/omap_hwmod_reset.c
index b68f9c0aff0b..d5ddba00bb73 100644
--- a/arch/arm/mach-omap2/omap_hwmod_reset.c
+++ b/arch/arm/mach-omap2/omap_hwmod_reset.c
@@ -92,11 +92,13 @@ static void omap_rtc_wait_not_busy(struct omap_hwmod *oh)
*/
void omap_hwmod_rtc_unlock(struct omap_hwmod *oh)
{
- local_irq_disable();
+ unsigned long flags;
+
+ local_irq_save(flags);
omap_rtc_wait_not_busy(oh);
omap_hwmod_write(OMAP_RTC_KICK0_VALUE, oh, OMAP_RTC_KICK0_REG);
omap_hwmod_write(OMAP_RTC_KICK1_VALUE, oh, OMAP_RTC_KICK1_REG);
- local_irq_enable();
+ local_irq_restore(flags);
}
/**
@@ -110,9 +112,11 @@ void omap_hwmod_rtc_unlock(struct omap_hwmod *oh)
*/
void omap_hwmod_rtc_lock(struct omap_hwmod *oh)
{
- local_irq_disable();
+ unsigned long flags;
+
+ local_irq_save(flags);
omap_rtc_wait_not_busy(oh);
omap_hwmod_write(0x0, oh, OMAP_RTC_KICK0_REG);
omap_hwmod_write(0x0, oh, OMAP_RTC_KICK1_REG);
- local_irq_enable();
+ local_irq_restore(flags);
}
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index fe39e6841326..ba0d52c22b50 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -42,6 +42,11 @@ void kvm_inject_vabt(struct kvm_vcpu *vcpu);
void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr);
void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr);
+static inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)
+{
+ return !(vcpu->arch.hcr_el2 & HCR_RW);
+}
+
static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)
{
vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS;
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index d3e0a2ffb383..e41a7b4f3a9b 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -57,6 +57,45 @@ static u64 core_reg_offset_from_id(u64 id)
return id & ~(KVM_REG_ARCH_MASK | KVM_REG_SIZE_MASK | KVM_REG_ARM_CORE);
}
+static int validate_core_offset(const struct kvm_one_reg *reg)
+{
+ u64 off = core_reg_offset_from_id(reg->id);
+ int size;
+
+ switch (off) {
+ case KVM_REG_ARM_CORE_REG(regs.regs[0]) ...
+ KVM_REG_ARM_CORE_REG(regs.regs[30]):
+ case KVM_REG_ARM_CORE_REG(regs.sp):
+ case KVM_REG_ARM_CORE_REG(regs.pc):
+ case KVM_REG_ARM_CORE_REG(regs.pstate):
+ case KVM_REG_ARM_CORE_REG(sp_el1):
+ case KVM_REG_ARM_CORE_REG(elr_el1):
+ case KVM_REG_ARM_CORE_REG(spsr[0]) ...
+ KVM_REG_ARM_CORE_REG(spsr[KVM_NR_SPSR - 1]):
+ size = sizeof(__u64);
+ break;
+
+ case KVM_REG_ARM_CORE_REG(fp_regs.vregs[0]) ...
+ KVM_REG_ARM_CORE_REG(fp_regs.vregs[31]):
+ size = sizeof(__uint128_t);
+ break;
+
+ case KVM_REG_ARM_CORE_REG(fp_regs.fpsr):
+ case KVM_REG_ARM_CORE_REG(fp_regs.fpcr):
+ size = sizeof(__u32);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ if (KVM_REG_SIZE(reg->id) == size &&
+ IS_ALIGNED(off, size / sizeof(__u32)))
+ return 0;
+
+ return -EINVAL;
+}
+
static int get_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
{
/*
@@ -76,6 +115,9 @@ static int get_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
(off + (KVM_REG_SIZE(reg->id) / sizeof(__u32))) >= nr_regs)
return -ENOENT;
+ if (validate_core_offset(reg))
+ return -EINVAL;
+
if (copy_to_user(uaddr, ((u32 *)regs) + off, KVM_REG_SIZE(reg->id)))
return -EFAULT;
@@ -98,6 +140,9 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
(off + (KVM_REG_SIZE(reg->id) / sizeof(__u32))) >= nr_regs)
return -ENOENT;
+ if (validate_core_offset(reg))
+ return -EINVAL;
+
if (KVM_REG_SIZE(reg->id) > sizeof(tmp))
return -EINVAL;
@@ -107,17 +152,25 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
}
if (off == KVM_REG_ARM_CORE_REG(regs.pstate)) {
- u32 mode = (*(u32 *)valp) & COMPAT_PSR_MODE_MASK;
+ u64 mode = (*(u64 *)valp) & COMPAT_PSR_MODE_MASK;
switch (mode) {
case COMPAT_PSR_MODE_USR:
+ if (!system_supports_32bit_el0())
+ return -EINVAL;
+ break;
case COMPAT_PSR_MODE_FIQ:
case COMPAT_PSR_MODE_IRQ:
case COMPAT_PSR_MODE_SVC:
case COMPAT_PSR_MODE_ABT:
case COMPAT_PSR_MODE_UND:
+ if (!vcpu_el1_is_32bit(vcpu))
+ return -EINVAL;
+ break;
case PSR_MODE_EL0t:
case PSR_MODE_EL1t:
case PSR_MODE_EL1h:
+ if (vcpu_el1_is_32bit(vcpu))
+ return -EINVAL;
break;
default:
err = -EINVAL;
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 2694d078741d..9dafd7af39b8 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -186,7 +186,12 @@ void __init reserve_crashkernel(void)
(unsigned long)(crashk_res.start >> 20),
(unsigned long)(memblock_phys_mem_size() >> 20));
- memblock_reserve(crashk_res.start, crash_size);
+ if (!memblock_is_region_memory(crashk_res.start, crash_size) ||
+ memblock_reserve(crashk_res.start, crash_size)) {
+ pr_err("Failed to reserve memory for crashkernel!\n");
+ crashk_res.start = crashk_res.end = 0;
+ return;
+ }
}
int overlaps_crashkernel(unsigned long start, unsigned long size)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index f52cc6fd4290..8015e40bc7ee 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2623,7 +2623,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
level_shift = entries_shift + 3;
level_shift = max_t(unsigned, level_shift, PAGE_SHIFT);
- if ((level_shift - 3) * levels + page_shift >= 60)
+ if ((level_shift - 3) * levels + page_shift >= 55)
return -EINVAL;
/* Allocate TCE table */
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 02042b6b66bf..e6665a6e105e 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -79,7 +79,7 @@ struct qin64 {
struct dcss_segment {
struct list_head list;
char dcss_name[8];
- char res_name[15];
+ char res_name[16];
unsigned long start_addr;
unsigned long end;
atomic_t ref_count;
@@ -432,7 +432,7 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long
memcpy(&seg->res_name, seg->dcss_name, 8);
EBCASC(seg->res_name, 8);
seg->res_name[8] = '\0';
- strncat(seg->res_name, " (DCSS)", 7);
+ strlcat(seg->res_name, " (DCSS)", sizeof(seg->res_name));
seg->res->name = seg->res_name;
rc = seg->vm_segtype;
if (rc == SEG_TYPE_SC ||
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 995f78532cc2..781a044e1702 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -26,7 +26,7 @@ static struct ctl_table page_table_sysctl[] = {
.data = &page_table_allocate_pgste,
.maxlen = sizeof(int),
.mode = S_IRUGO | S_IWUSR,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &page_table_allocate_pgste_min,
.extra2 = &page_table_allocate_pgste_max,
},
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 76c1d85e749b..870e941c1947 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -91,7 +91,7 @@ ENDPROC(native_usergs_sysret64)
.endm
.macro TRACE_IRQS_IRETQ_DEBUG
- bt $9, EFLAGS(%rsp) /* interrupts off? */
+ btl $9, EFLAGS(%rsp) /* interrupts off? */
jnc 1f
TRACE_IRQS_ON_DEBUG
1:
@@ -485,7 +485,7 @@ retint_kernel:
#ifdef CONFIG_PREEMPT
/* Interrupts are off */
/* Check if we need preemption */
- bt $9, EFLAGS(%rsp) /* were interrupts off? */
+ btl $9, EFLAGS(%rsp) /* were interrupts off? */
jnc 1f
0: cmpl $0, PER_CPU_VAR(__preempt_count)
jnz 1f
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 5d103a87e984..2c3c7abf678b 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -342,7 +342,7 @@ static void __intel_pmu_lbr_restore(struct x86_perf_task_context *task_ctx)
mask = x86_pmu.lbr_nr - 1;
tos = task_ctx->tos;
- for (i = 0; i < tos; i++) {
+ for (i = 0; i < task_ctx->valid_lbrs; i++) {
lbr_idx = (tos - i) & mask;
wrlbr_from(lbr_idx, task_ctx->lbr_from[i]);
wrlbr_to (lbr_idx, task_ctx->lbr_to[i]);
@@ -350,6 +350,15 @@ static void __intel_pmu_lbr_restore(struct x86_perf_task_context *task_ctx)
if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_INFO)
wrmsrl(MSR_LBR_INFO_0 + lbr_idx, task_ctx->lbr_info[i]);
}
+
+ for (; i < x86_pmu.lbr_nr; i++) {
+ lbr_idx = (tos - i) & mask;
+ wrlbr_from(lbr_idx, 0);
+ wrlbr_to(lbr_idx, 0);
+ if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_INFO)
+ wrmsrl(MSR_LBR_INFO_0 + lbr_idx, 0);
+ }
+
wrmsrl(x86_pmu.lbr_tos, tos);
task_ctx->lbr_stack_state = LBR_NONE;
}
@@ -357,7 +366,7 @@ static void __intel_pmu_lbr_restore(struct x86_perf_task_context *task_ctx)
static void __intel_pmu_lbr_save(struct x86_perf_task_context *task_ctx)
{
unsigned lbr_idx, mask;
- u64 tos;
+ u64 tos, from;
int i;
if (task_ctx->lbr_callstack_users == 0) {
@@ -367,13 +376,17 @@ static void __intel_pmu_lbr_save(struct x86_perf_task_context *task_ctx)
mask = x86_pmu.lbr_nr - 1;
tos = intel_pmu_lbr_tos();
- for (i = 0; i < tos; i++) {
+ for (i = 0; i < x86_pmu.lbr_nr; i++) {
lbr_idx = (tos - i) & mask;
- task_ctx->lbr_from[i] = rdlbr_from(lbr_idx);
+ from = rdlbr_from(lbr_idx);
+ if (!from)
+ break;
+ task_ctx->lbr_from[i] = from;
task_ctx->lbr_to[i] = rdlbr_to(lbr_idx);
if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_INFO)
rdmsrl(MSR_LBR_INFO_0 + lbr_idx, task_ctx->lbr_info[i]);
}
+ task_ctx->valid_lbrs = i;
task_ctx->tos = tos;
task_ctx->lbr_stack_state = LBR_VALID;
}
@@ -522,7 +535,7 @@ static void intel_pmu_lbr_read_32(struct cpu_hw_events *cpuc)
*/
static void intel_pmu_lbr_read_64(struct cpu_hw_events *cpuc)
{
- bool need_info = false;
+ bool need_info = false, call_stack = false;
unsigned long mask = x86_pmu.lbr_nr - 1;
int lbr_format = x86_pmu.intel_cap.lbr_format;
u64 tos = intel_pmu_lbr_tos();
@@ -533,7 +546,7 @@ static void intel_pmu_lbr_read_64(struct cpu_hw_events *cpuc)
if (cpuc->lbr_sel) {
need_info = !(cpuc->lbr_sel->config & LBR_NO_INFO);
if (cpuc->lbr_sel->config & LBR_CALL_STACK)
- num = tos;
+ call_stack = true;
}
for (i = 0; i < num; i++) {
@@ -546,6 +559,13 @@ static void intel_pmu_lbr_read_64(struct cpu_hw_events *cpuc)
from = rdlbr_from(lbr_idx);
to = rdlbr_to(lbr_idx);
+ /*
+ * Read LBR call stack entries
+ * until invalid entry (0s) is detected.
+ */
+ if (call_stack && !from)
+ break;
+
if (lbr_format == LBR_FORMAT_INFO && need_info) {
u64 info;
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index f3563179290b..1bfebbc4d156 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -633,6 +633,7 @@ struct x86_perf_task_context {
u64 lbr_to[MAX_LBR_ENTRIES];
u64 lbr_info[MAX_LBR_ENTRIES];
int tos;
+ int valid_lbrs;
int lbr_callstack_users;
int lbr_stack_state;
};
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index 0fe720d64fef..3f818ce985c0 100644
--- a/arch/x86/kernel/tsc_msr.c
+++ b/arch/x86/kernel/tsc_msr.c
@@ -12,6 +12,7 @@
#include <asm/setup.h>
#include <asm/apic.h>
#include <asm/param.h>
+#include <asm/tsc.h>
#define MAX_NUM_FREQS 9
diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c
index a8f90ce3dedf..dc6d99017f3f 100644
--- a/arch/x86/mm/numa_emulation.c
+++ b/arch/x86/mm/numa_emulation.c
@@ -60,7 +60,7 @@ static int __init emu_setup_memblk(struct numa_meminfo *ei,
eb->nid = nid;
if (emu_nid_to_phys[nid] == NUMA_NO_NODE)
- emu_nid_to_phys[nid] = nid;
+ emu_nid_to_phys[nid] = pb->nid;
pb->start += size;
if (pb->start >= pb->end) {
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 860c9e5dfd7a..3bc0e76eaaef 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -367,6 +367,7 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
strncpy(rblkcipher.type, "ablkcipher", sizeof(rblkcipher.type));
strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<default>",
sizeof(rblkcipher.geniv));
+ rblkcipher.geniv[sizeof(rblkcipher.geniv) - 1] = '\0';
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
@@ -441,6 +442,7 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
strncpy(rblkcipher.type, "givcipher", sizeof(rblkcipher.type));
strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<built-in>",
sizeof(rblkcipher.geniv));
+ rblkcipher.geniv[sizeof(rblkcipher.geniv) - 1] = '\0';
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 27f98666763a..59a0936ed8bc 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -510,6 +510,7 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
strncpy(rblkcipher.type, "blkcipher", sizeof(rblkcipher.type));
strncpy(rblkcipher.geniv, alg->cra_blkcipher.geniv ?: "<default>",
sizeof(rblkcipher.geniv));
+ rblkcipher.geniv[sizeof(rblkcipher.geniv) - 1] = '\0';
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index e3d8e4ced4a2..a321d7d849c6 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3459,6 +3459,9 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
(struct floppy_struct **)&outparam);
if (ret)
return ret;
+ memcpy(&inparam.g, outparam,
+ offsetof(struct floppy_struct, name));
+ outparam = &inparam.g;
break;
case FDMSGON:
UDP->flags |= FTD_MSG;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 44bccb1afa06..8dce1a890078 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -349,6 +349,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
/* Additional Realtek 8723DE Bluetooth devices */
+ { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
{ USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
/* Additional Realtek 8821AE Bluetooth devices */
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 4e0f8e720ad9..40d792e96b75 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -1059,14 +1059,14 @@ int __init edac_mc_sysfs_init(void)
err = device_add(mci_pdev);
if (err < 0)
- goto out_dev_free;
+ goto out_put_device;
edac_dbg(0, "device %s created\n", dev_name(mci_pdev));
return 0;
- out_dev_free:
- kfree(mci_pdev);
+ out_put_device:
+ put_device(mci_pdev);
out:
return err;
}
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 8a68a5e943ea..b60932026e34 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1177,15 +1177,14 @@ static int i7core_create_sysfs_devices(struct mem_ctl_info *mci)
rc = device_add(pvt->addrmatch_dev);
if (rc < 0)
- return rc;
+ goto err_put_addrmatch;
if (!pvt->is_registered) {
pvt->chancounts_dev = kzalloc(sizeof(*pvt->chancounts_dev),
GFP_KERNEL);
if (!pvt->chancounts_dev) {
- put_device(pvt->addrmatch_dev);
- device_del(pvt->addrmatch_dev);
- return -ENOMEM;
+ rc = -ENOMEM;
+ goto err_del_addrmatch;
}
pvt->chancounts_dev->type = &all_channel_counts_type;
@@ -1199,9 +1198,18 @@ static int i7core_create_sysfs_devices(struct mem_ctl_info *mci)
rc = device_add(pvt->chancounts_dev);
if (rc < 0)
- return rc;
+ goto err_put_chancounts;
}
return 0;
+
+err_put_chancounts:
+ put_device(pvt->chancounts_dev);
+err_del_addrmatch:
+ device_del(pvt->addrmatch_dev);
+err_put_addrmatch:
+ put_device(pvt->addrmatch_dev);
+
+ return rc;
}
static void i7core_delete_sysfs_devices(struct mem_ctl_info *mci)
@@ -1211,11 +1219,11 @@ static void i7core_delete_sysfs_devices(struct mem_ctl_info *mci)
edac_dbg(1, "\n");
if (!pvt->is_registered) {
- put_device(pvt->chancounts_dev);
device_del(pvt->chancounts_dev);
+ put_device(pvt->chancounts_dev);
}
- put_device(pvt->addrmatch_dev);
device_del(pvt->addrmatch_dev);
+ put_device(pvt->addrmatch_dev);
}
/****************************************************************************
diff --git a/drivers/gpio/gpio-menz127.c b/drivers/gpio/gpio-menz127.c
index a1210e330571..95061d25895b 100644
--- a/drivers/gpio/gpio-menz127.c
+++ b/drivers/gpio/gpio-menz127.c
@@ -56,9 +56,9 @@ static int men_z127_debounce(struct gpio_chip *gc, unsigned gpio,
rnd = fls(debounce) - 1;
if (rnd && (debounce & BIT(rnd - 1)))
- debounce = round_up(debounce, MEN_Z127_DB_MIN_US);
+ debounce = roundup(debounce, MEN_Z127_DB_MIN_US);
else
- debounce = round_down(debounce, MEN_Z127_DB_MIN_US);
+ debounce = rounddown(debounce, MEN_Z127_DB_MIN_US);
if (debounce > MEN_Z127_DB_MAX_US)
debounce = MEN_Z127_DB_MAX_US;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 564362e8b486..c8a5cf5365a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5551,6 +5551,11 @@ static int gfx_v8_0_set_powergating_state(void *handle,
if (!(adev->pg_flags & AMD_PG_SUPPORT_GFX_PG))
return 0;
+ if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_SMG |
+ AMD_PG_SUPPORT_RLC_SMU_HS |
+ AMD_PG_SUPPORT_CP |
+ AMD_PG_SUPPORT_GFX_DMG))
+ adev->gfx.rlc.funcs->enter_safe_mode(adev);
switch (adev->asic_type) {
case CHIP_CARRIZO:
case CHIP_STONEY:
@@ -5586,7 +5591,11 @@ static int gfx_v8_0_set_powergating_state(void *handle,
default:
break;
}
-
+ if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_SMG |
+ AMD_PG_SUPPORT_RLC_SMU_HS |
+ AMD_PG_SUPPORT_CP |
+ AMD_PG_SUPPORT_GFX_DMG))
+ adev->gfx.rlc.funcs->exit_safe_mode(adev);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
index 71d2856222fa..f61c489e5f6d 100644
--- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
@@ -1350,8 +1350,6 @@ static int kv_dpm_enable(struct amdgpu_device *adev)
return ret;
}
- kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
-
if (adev->irq.installed &&
amdgpu_is_internal_thermal_sensor(adev->pm.int_thermal_type)) {
ret = kv_set_thermal_temperature_range(adev, KV_TEMP_RANGE_MIN, KV_TEMP_RANGE_MAX);
@@ -3086,7 +3084,7 @@ static int kv_dpm_hw_init(void *handle)
else
adev->pm.dpm_enabled = true;
mutex_unlock(&adev->pm.mutex);
-
+ amdgpu_pm_compute_clocks(adev);
return ret;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index 3fa8320e49c1..4826befc1bc3 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -6959,7 +6959,6 @@ static int si_dpm_enable(struct amdgpu_device *adev)
si_enable_auto_throttle_source(adev, AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
si_thermal_start_thermal_controller(adev);
- ni_update_current_ps(adev, boot_ps);
return 0;
}
@@ -7836,7 +7835,7 @@ static int si_dpm_hw_init(void *handle)
else
adev->pm.dpm_enabled = true;
mutex_unlock(&adev->pm.mutex);
-
+ amdgpu_pm_compute_clocks(adev);
return ret;
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index aad2f4a2a0ef..97828faf2a1f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -283,7 +283,6 @@ static int sun4i_drv_add_endpoints(struct device *dev,
remote = of_graph_get_remote_port_parent(ep);
if (!remote) {
DRM_DEBUG_DRIVER("Error retrieving the output node\n");
- of_node_put(remote);
continue;
}
@@ -297,11 +296,13 @@ static int sun4i_drv_add_endpoints(struct device *dev,
if (of_graph_parse_endpoint(ep, &endpoint)) {
DRM_DEBUG_DRIVER("Couldn't parse endpoint\n");
+ of_node_put(remote);
continue;
}
if (!endpoint.id) {
DRM_DEBUG_DRIVER("Endpoint is our panel... skipping\n");
+ of_node_put(remote);
continue;
}
}
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 1b0084d4af2e..28373dab60ae 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -955,6 +955,8 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = sysfs_create_group(&hdev->dev.kobj,
&ntrig_attribute_group);
+ if (ret)
+ hid_err(hdev, "cannot create sysfs group\n");
return 0;
err_free:
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 3cefd1aeb24f..9c262d955331 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -274,14 +274,18 @@ static inline u16 volt2reg(int channel, long volt, u8 bypass_attn)
return clamp_val(reg, 0, 1023) & (0xff << 2);
}
-static u16 adt7475_read_word(struct i2c_client *client, int reg)
+static int adt7475_read_word(struct i2c_client *client, int reg)
{
- u16 val;
+ int val1, val2;
- val = i2c_smbus_read_byte_data(client, reg);
- val |= (i2c_smbus_read_byte_data(client, reg + 1) << 8);
+ val1 = i2c_smbus_read_byte_data(client, reg);
+ if (val1 < 0)
+ return val1;
+ val2 = i2c_smbus_read_byte_data(client, reg + 1);
+ if (val2 < 0)
+ return val2;
- return val;
+ return val1 | (val2 << 8);
}
static void adt7475_write_word(struct i2c_client *client, int reg, u16 val)
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index ac63e562071f..9ac6e1673375 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -17,7 +17,7 @@
* Bi-directional Current/Power Monitor with I2C Interface
* Datasheet: http://www.ti.com/product/ina230
*
- * Copyright (C) 2012 Lothar Felten <l-felten@...com>
+ * Copyright (C) 2012 Lothar Felten <lothar.felten@...il.com>
* Thanks to Jan Volkering
*
* This program is free software; you can redistribute it and/or modify
@@ -328,6 +328,15 @@ static int ina2xx_set_shunt(struct ina2xx_data *data, long val)
return 0;
}
+static ssize_t ina2xx_show_shunt(struct device *dev,
+ struct device_attribute *da,
+ char *buf)
+{
+ struct ina2xx_data *data = dev_get_drvdata(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%li\n", data->rshunt);
+}
+
static ssize_t ina2xx_store_shunt(struct device *dev,
struct device_attribute *da,
const char *buf, size_t count)
@@ -402,7 +411,7 @@ static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, ina2xx_show_value, NULL,
/* shunt resistance */
static SENSOR_DEVICE_ATTR(shunt_resistor, S_IRUGO | S_IWUSR,
- ina2xx_show_value, ina2xx_store_shunt,
+ ina2xx_show_shunt, ina2xx_store_shunt,
INA2XX_CALIBRATION);
/* update interval (ina226 only) */
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 663017f1d078..26f1691f67ab 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1408,6 +1408,13 @@ static void i801_add_tco(struct i801_priv *priv)
}
#ifdef CONFIG_ACPI
+static bool i801_acpi_is_smbus_ioport(const struct i801_priv *priv,
+ acpi_physical_address address)
+{
+ return address >= priv->smba &&
+ address <= pci_resource_end(priv->pci_dev, SMBBAR);
+}
+
static acpi_status
i801_acpi_io_handler(u32 function, acpi_physical_address address, u32 bits,
u64 *value, void *handler_context, void *region_context)
@@ -1423,7 +1430,7 @@ i801_acpi_io_handler(u32 function, acpi_physical_address address, u32 bits,
*/
mutex_lock(&priv->acpi_lock);
- if (!priv->acpi_reserved) {
+ if (!priv->acpi_reserved && i801_acpi_is_smbus_ioport(priv, address)) {
priv->acpi_reserved = true;
dev_warn(&pdev->dev, "BIOS is accessing SMBus registers\n");
diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c
index dbfd854c32c9..1d90a122fe5e 100644
--- a/drivers/infiniband/core/rw.c
+++ b/drivers/infiniband/core/rw.c
@@ -87,7 +87,7 @@ static int rdma_rw_init_one_mr(struct ib_qp *qp, u8 port_num,
}
ret = ib_map_mr_sg(reg->mr, sg, nents, &offset, PAGE_SIZE);
- if (ret < nents) {
+ if (ret < 0 || ret < nents) {
ib_mr_pool_put(qp, &qp->rdma_mrs, reg->mr);
return -EINVAL;
}
diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c
index d89b8745d4c1..c2982bbc82b3 100644
--- a/drivers/infiniband/hw/hfi1/pio.c
+++ b/drivers/infiniband/hw/hfi1/pio.c
@@ -88,6 +88,7 @@ void pio_send_control(struct hfi1_devdata *dd, int op)
unsigned long flags;
int write = 1; /* write sendctrl back */
int flush = 0; /* re-read sendctrl to make sure it is flushed */
+ int i;
spin_lock_irqsave(&dd->sendctrl_lock, flags);
@@ -97,9 +98,13 @@ void pio_send_control(struct hfi1_devdata *dd, int op)
reg |= SEND_CTRL_SEND_ENABLE_SMASK;
/* Fall through */
case PSC_DATA_VL_ENABLE:
+ mask = 0;
+ for (i = 0; i < ARRAY_SIZE(dd->vld); i++)
+ if (!dd->vld[i].mtu)
+ mask |= BIT_ULL(i);
/* Disallow sending on VLs not enabled */
- mask = (((~0ull) << num_vls) & SEND_CTRL_UNSUPPORTED_VL_MASK) <<
- SEND_CTRL_UNSUPPORTED_VL_SHIFT;
+ mask = (mask & SEND_CTRL_UNSUPPORTED_VL_MASK) <<
+ SEND_CTRL_UNSUPPORTED_VL_SHIFT;
reg = (reg & ~SEND_CTRL_UNSUPPORTED_VL_SMASK) | mask;
break;
case PSC_GLOBAL_DISABLE:
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index 77697d690f3e..018a41562704 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -956,7 +956,7 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
if (ACCESS_ONCE(iovec->offset) == iovec->iov.iov_len) {
if (++req->iov_idx == req->data_iovs) {
ret = -EFAULT;
- goto free_txreq;
+ goto free_tx;
}
iovec = &req->iovs[req->iov_idx];
WARN_ON(iovec->offset);
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index 01a380efea6b..14ddb7506085 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -1511,12 +1511,18 @@ static int hfi1_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr)
struct hfi1_pportdata *ppd;
struct hfi1_devdata *dd;
u8 sc5;
+ u8 sl;
/* test the mapping for validity */
ibp = to_iport(ibdev, ah_attr->port_num);
ppd = ppd_from_ibp(ibp);
- sc5 = ibp->sl_to_sc[ah_attr->sl];
dd = dd_from_ppd(ppd);
+
+ sl = ah_attr->sl;
+ if (sl >= ARRAY_SIZE(ibp->sl_to_sc))
+ return -EINVAL;
+
+ sc5 = ibp->sl_to_sc[sl];
if (sc_to_vlt(dd, sc5) > num_vls && sc_to_vlt(dd, sc5) != 0xf)
return -EINVAL;
return 0;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 463ea592a42a..646359025574 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2639,7 +2639,7 @@ static int srp_reset_device(struct scsi_cmnd *scmnd)
{
struct srp_target_port *target = host_to_target(scmnd->device->host);
struct srp_rdma_ch *ch;
- int i;
+ int i, j;
u8 status;
shost_printk(KERN_ERR, target->scsi_host, "SRP reset_device called\n");
@@ -2653,8 +2653,8 @@ static int srp_reset_device(struct scsi_cmnd *scmnd)
for (i = 0; i < target->ch_count; i++) {
ch = &target->ch[i];
- for (i = 0; i < target->req_ring_size; ++i) {
- struct srp_request *req = &ch->req_ring[i];
+ for (j = 0; j < target->req_ring_size; ++j) {
+ struct srp_request *req = &ch->req_ring[j];
srp_finish_req(ch, req, scmnd->device, DID_RESET << 16);
}
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 4e77adbfa835..c120afd9c46a 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1176,6 +1176,8 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = {
static const char * const middle_button_pnp_ids[] = {
"LEN2131", /* ThinkPad P52 w/ NFC */
"LEN2132", /* ThinkPad P52 */
+ "LEN2133", /* ThinkPad P72 w/ NFC */
+ "LEN2134", /* ThinkPad P72 */
NULL
};
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0c910a863581..16199b36a11e 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2452,9 +2452,9 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
}
if (amd_iommu_unmap_flush) {
- dma_ops_free_iova(dma_dom, dma_addr, pages);
domain_flush_tlb(&dma_dom->domain);
domain_flush_complete(&dma_dom->domain);
+ dma_ops_free_iova(dma_dom, dma_addr, pages);
} else {
queue_add(dma_dom, dma_addr, pages);
}
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index fcc2b5746a9f..e870b09b2c84 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -302,15 +302,6 @@ static void recover_bitmaps(struct md_thread *thread)
while (cinfo->recovery_map) {
slot = fls64((u64)cinfo->recovery_map) - 1;
- /* Clear suspend_area associated with the bitmap */
- spin_lock_irq(&cinfo->suspend_lock);
- list_for_each_entry_safe(s, tmp, &cinfo->suspend_list, list)
- if (slot == s->slot) {
- list_del(&s->list);
- kfree(s);
- }
- spin_unlock_irq(&cinfo->suspend_lock);
-
snprintf(str, 64, "bitmap%04d", slot);
bm_lockres = lockres_init(mddev, str, NULL, 1);
if (!bm_lockres) {
@@ -329,6 +320,16 @@ static void recover_bitmaps(struct md_thread *thread)
pr_err("md-cluster: Could not copy data from bitmap %d\n", slot);
goto clear_bit;
}
+
+ /* Clear suspend_area associated with the bitmap */
+ spin_lock_irq(&cinfo->suspend_lock);
+ list_for_each_entry_safe(s, tmp, &cinfo->suspend_list, list)
+ if (slot == s->slot) {
+ list_del(&s->list);
+ kfree(s);
+ }
+ spin_unlock_irq(&cinfo->suspend_lock);
+
if (hi > 0) {
if (lo < mddev->recovery_cp)
mddev->recovery_cp = lo;
diff --git a/drivers/media/i2c/soc_camera/ov772x.c b/drivers/media/i2c/soc_camera/ov772x.c
index 7e68762b3a4b..fa1cb246a66a 100644
--- a/drivers/media/i2c/soc_camera/ov772x.c
+++ b/drivers/media/i2c/soc_camera/ov772x.c
@@ -834,7 +834,7 @@ static int ov772x_set_params(struct ov772x_priv *priv,
* set COM8
*/
if (priv->band_filter) {
- ret = ov772x_mask_set(client, COM8, BNDF_ON_OFF, 1);
+ ret = ov772x_mask_set(client, COM8, BNDF_ON_OFF, BNDF_ON_OFF);
if (!ret)
ret = ov772x_mask_set(client, BDBASE,
0xff, 256 - priv->band_filter);
diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c
index 400ce0cb0c0d..e00fa03ddc3e 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp-video.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c
@@ -384,12 +384,17 @@ static void __isp_video_try_fmt(struct fimc_isp *isp,
struct v4l2_pix_format_mplane *pixm,
const struct fimc_fmt **fmt)
{
- *fmt = fimc_isp_find_format(&pixm->pixelformat, NULL, 2);
+ const struct fimc_fmt *__fmt;
+
+ __fmt = fimc_isp_find_format(&pixm->pixelformat, NULL, 2);
+
+ if (fmt)
+ *fmt = __fmt;
pixm->colorspace = V4L2_COLORSPACE_SRGB;
pixm->field = V4L2_FIELD_NONE;
- pixm->num_planes = (*fmt)->memplanes;
- pixm->pixelformat = (*fmt)->fourcc;
+ pixm->num_planes = __fmt->memplanes;
+ pixm->pixelformat = __fmt->fourcc;
/*
* TODO: double check with the docmentation these width/height
* constraints are correct.
diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c
index ae8c6b35a357..7f0ed5a26da9 100644
--- a/drivers/media/platform/fsl-viu.c
+++ b/drivers/media/platform/fsl-viu.c
@@ -1417,7 +1417,7 @@ static int viu_of_probe(struct platform_device *op)
sizeof(struct viu_reg), DRV_NAME)) {
dev_err(&op->dev, "Error while requesting mem region\n");
ret = -EBUSY;
- goto err;
+ goto err_irq;
}
/* remap registers */
@@ -1425,7 +1425,7 @@ static int viu_of_probe(struct platform_device *op)
if (!viu_regs) {
dev_err(&op->dev, "Can't map register set\n");
ret = -ENOMEM;
- goto err;
+ goto err_irq;
}
/* Prepare our private structure */
@@ -1433,7 +1433,7 @@ static int viu_of_probe(struct platform_device *op)
if (!viu_dev) {
dev_err(&op->dev, "Can't allocate private structure\n");
ret = -ENOMEM;
- goto err;
+ goto err_irq;
}
viu_dev->vr = viu_regs;
@@ -1449,16 +1449,21 @@ static int viu_of_probe(struct platform_device *op)
ret = v4l2_device_register(viu_dev->dev, &viu_dev->v4l2_dev);
if (ret < 0) {
dev_err(&op->dev, "v4l2_device_register() failed: %d\n", ret);
- goto err;
+ goto err_irq;
}
ad = i2c_get_adapter(0);
+ if (!ad) {
+ ret = -EFAULT;
+ dev_err(&op->dev, "couldn't get i2c adapter\n");
+ goto err_v4l2;
+ }
v4l2_ctrl_handler_init(&viu_dev->hdl, 5);
if (viu_dev->hdl.error) {
ret = viu_dev->hdl.error;
dev_err(&op->dev, "couldn't register control\n");
- goto err_vdev;
+ goto err_i2c;
}
/* This control handler will inherit the control(s) from the
sub-device(s). */
@@ -1476,7 +1481,7 @@ static int viu_of_probe(struct platform_device *op)
vdev = video_device_alloc();
if (vdev == NULL) {
ret = -ENOMEM;
- goto err_vdev;
+ goto err_hdl;
}
*vdev = viu_template;
@@ -1497,7 +1502,7 @@ static int viu_of_probe(struct platform_device *op)
ret = video_register_device(viu_dev->vdev, VFL_TYPE_GRABBER, -1);
if (ret < 0) {
video_device_release(viu_dev->vdev);
- goto err_vdev;
+ goto err_unlock;
}
/* enable VIU clock */
@@ -1505,12 +1510,12 @@ static int viu_of_probe(struct platform_device *op)
if (IS_ERR(clk)) {
dev_err(&op->dev, "failed to lookup the clock!\n");
ret = PTR_ERR(clk);
- goto err_clk;
+ goto err_vdev;
}
ret = clk_prepare_enable(clk);
if (ret) {
dev_err(&op->dev, "failed to enable the clock!\n");
- goto err_clk;
+ goto err_vdev;
}
viu_dev->clk = clk;
@@ -1521,7 +1526,7 @@ static int viu_of_probe(struct platform_device *op)
if (request_irq(viu_dev->irq, viu_intr, 0, "viu", (void *)viu_dev)) {
dev_err(&op->dev, "Request VIU IRQ failed.\n");
ret = -ENODEV;
- goto err_irq;
+ goto err_clk;
}
mutex_unlock(&viu_dev->lock);
@@ -1529,16 +1534,19 @@ static int viu_of_probe(struct platform_device *op)
dev_info(&op->dev, "Freescale VIU Video Capture Board\n");
return ret;
-err_irq:
- clk_disable_unprepare(viu_dev->clk);
err_clk:
- video_unregister_device(viu_dev->vdev);
+ clk_disable_unprepare(viu_dev->clk);
err_vdev:
- v4l2_ctrl_handler_free(&viu_dev->hdl);
+ video_unregister_device(viu_dev->vdev);
+err_unlock:
mutex_unlock(&viu_dev->lock);
+err_hdl:
+ v4l2_ctrl_handler_free(&viu_dev->hdl);
+err_i2c:
i2c_put_adapter(ad);
+err_v4l2:
v4l2_device_unregister(&viu_dev->v4l2_dev);
-err:
+err_irq:
irq_dispose_mapping(viu_irq);
return ret;
}
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 15a86bb4e61c..1e98b4845ea1 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -304,7 +304,7 @@ static struct clk *isp_xclk_src_get(struct of_phandle_args *clkspec, void *data)
static int isp_xclk_init(struct isp_device *isp)
{
struct device_node *np = isp->dev->of_node;
- struct clk_init_data init;
+ struct clk_init_data init = { 0 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(isp->xclks); ++i)
diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c
index 5c9db0910a76..d9710b5dd375 100644
--- a/drivers/media/platform/s3c-camif/camif-capture.c
+++ b/drivers/media/platform/s3c-camif/camif-capture.c
@@ -117,6 +117,8 @@ static int sensor_set_power(struct camif_dev *camif, int on)
if (camif->sensor.power_count == !on)
err = v4l2_subdev_call(sensor->sd, core, s_power, on);
+ if (err == -ENOIOCTLCMD)
+ err = 0;
if (!err)
sensor->power_count += on ? 1 : -1;
diff --git a/drivers/media/usb/tm6000/tm6000-dvb.c b/drivers/media/usb/tm6000/tm6000-dvb.c
index 0426b210383b..ee88ae83230c 100644
--- a/drivers/media/usb/tm6000/tm6000-dvb.c
+++ b/drivers/media/usb/tm6000/tm6000-dvb.c
@@ -273,6 +273,11 @@ static int register_dvb(struct tm6000_core *dev)
ret = dvb_register_adapter(&dvb->adapter, "Trident TVMaster 6000 DVB-T",
THIS_MODULE, &dev->udev->dev, adapter_nr);
+ if (ret < 0) {
+ pr_err("tm6000: couldn't register the adapter!\n");
+ goto err;
+ }
+
dvb->adapter.priv = dev;
if (dvb->frontend) {
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index b5589d5f5da4..48503f30b3a2 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -163,14 +163,27 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
}
}
+static size_t uvc_video_ctrl_size(struct uvc_streaming *stream)
+{
+ /*
+ * Return the size of the video probe and commit controls, which depends
+ * on the protocol version.
+ */
+ if (stream->dev->uvc_version < 0x0110)
+ return 26;
+ else if (stream->dev->uvc_version < 0x0150)
+ return 34;
+ else
+ return 48;
+}
+
static int uvc_get_video_ctrl(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl, int probe, __u8 query)
{
+ __u16 size = uvc_video_ctrl_size(stream);
__u8 *data;
- __u16 size;
int ret;
- size = stream->dev->uvc_version >= 0x0110 ? 34 : 26;
if ((stream->dev->quirks & UVC_QUIRK_PROBE_DEF) &&
query == UVC_GET_DEF)
return -EIO;
@@ -225,7 +238,7 @@ static int uvc_get_video_ctrl(struct uvc_streaming *stream,
ctrl->dwMaxVideoFrameSize = get_unaligned_le32(&data[18]);
ctrl->dwMaxPayloadTransferSize = get_unaligned_le32(&data[22]);
- if (size == 34) {
+ if (size >= 34) {
ctrl->dwClockFrequency = get_unaligned_le32(&data[26]);
ctrl->bmFramingInfo = data[30];
ctrl->bPreferedVersion = data[31];
@@ -254,11 +267,10 @@ static int uvc_get_video_ctrl(struct uvc_streaming *stream,
static int uvc_set_video_ctrl(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl, int probe)
{
+ __u16 size = uvc_video_ctrl_size(stream);
__u8 *data;
- __u16 size;
int ret;
- size = stream->dev->uvc_version >= 0x0110 ? 34 : 26;
data = kzalloc(size, GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@@ -275,7 +287,7 @@ static int uvc_set_video_ctrl(struct uvc_streaming *stream,
put_unaligned_le32(ctrl->dwMaxVideoFrameSize, &data[18]);
put_unaligned_le32(ctrl->dwMaxPayloadTransferSize, &data[22]);
- if (size == 34) {
+ if (size >= 34) {
put_unaligned_le32(ctrl->dwClockFrequency, &data[26]);
data[30] = ctrl->bmFramingInfo;
data[31] = ctrl->bPreferedVersion;
diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c
index 8d3171c6bee8..567d86835f00 100644
--- a/drivers/media/v4l2-core/v4l2-event.c
+++ b/drivers/media/v4l2-core/v4l2-event.c
@@ -119,14 +119,6 @@ static void __v4l2_event_queue_fh(struct v4l2_fh *fh, const struct v4l2_event *e
if (sev == NULL)
return;
- /*
- * If the event has been added to the fh->subscribed list, but its
- * add op has not completed yet elems will be 0, treat this as
- * not being subscribed.
- */
- if (!sev->elems)
- return;
-
/* Increase event sequence number on fh. */
fh->sequence++;
@@ -212,6 +204,7 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
struct v4l2_subscribed_event *sev, *found_ev;
unsigned long flags;
unsigned i;
+ int ret = 0;
if (sub->type == V4L2_EVENT_ALL)
return -EINVAL;
@@ -229,31 +222,36 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
sev->flags = sub->flags;
sev->fh = fh;
sev->ops = ops;
+ sev->elems = elems;
+
+ mutex_lock(&fh->subscribe_lock);
spin_lock_irqsave(&fh->vdev->fh_lock, flags);
found_ev = v4l2_event_subscribed(fh, sub->type, sub->id);
- if (!found_ev)
- list_add(&sev->list, &fh->subscribed);
spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
if (found_ev) {
+ /* Already listening */
kfree(sev);
- return 0; /* Already listening */
+ goto out_unlock;
}
if (sev->ops && sev->ops->add) {
- int ret = sev->ops->add(sev, elems);
+ ret = sev->ops->add(sev, elems);
if (ret) {
- sev->ops = NULL;
- v4l2_event_unsubscribe(fh, sub);
- return ret;
+ kfree(sev);
+ goto out_unlock;
}
}
- /* Mark as ready for use */
- sev->elems = elems;
+ spin_lock_irqsave(&fh->vdev->fh_lock, flags);
+ list_add(&sev->list, &fh->subscribed);
+ spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
- return 0;
+out_unlock:
+ mutex_unlock(&fh->subscribe_lock);
+
+ return ret;
}
EXPORT_SYMBOL_GPL(v4l2_event_subscribe);
@@ -292,6 +290,8 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
return 0;
}
+ mutex_lock(&fh->subscribe_lock);
+
spin_lock_irqsave(&fh->vdev->fh_lock, flags);
sev = v4l2_event_subscribed(fh, sub->type, sub->id);
@@ -309,6 +309,8 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
if (sev && sev->ops && sev->ops->del)
sev->ops->del(sev);
+ mutex_unlock(&fh->subscribe_lock);
+
kfree(sev);
return 0;
diff --git a/drivers/media/v4l2-core/v4l2-fh.c b/drivers/media/v4l2-core/v4l2-fh.c
index c183f0996fa1..0c5e69070586 100644
--- a/drivers/media/v4l2-core/v4l2-fh.c
+++ b/drivers/media/v4l2-core/v4l2-fh.c
@@ -50,6 +50,7 @@ void v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev)
INIT_LIST_HEAD(&fh->available);
INIT_LIST_HEAD(&fh->subscribed);
fh->sequence = -1;
+ mutex_init(&fh->subscribe_lock);
}
EXPORT_SYMBOL_GPL(v4l2_fh_init);
@@ -95,6 +96,7 @@ void v4l2_fh_exit(struct v4l2_fh *fh)
return;
v4l_disable_media_source(fh->vdev);
v4l2_event_unsubscribe_all(fh);
+ mutex_destroy(&fh->subscribe_lock);
fh->vdev = NULL;
}
EXPORT_SYMBOL_GPL(v4l2_fh_exit);
diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c
index 87a13374fdc0..eb5761067310 100644
--- a/drivers/misc/tsl2550.c
+++ b/drivers/misc/tsl2550.c
@@ -177,7 +177,7 @@ static int tsl2550_calculate_lux(u8 ch0, u8 ch1)
} else
lux = 0;
else
- return -EAGAIN;
+ return 0;
/* LUX range check */
return lux > TSL2550_MAX_LUX ? TSL2550_MAX_LUX : lux;
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c
index f735ab4ba84e..5927db046a87 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.c
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c
@@ -755,7 +755,7 @@ static int qp_host_get_user_memory(u64 produce_uva,
retval = get_user_pages_fast((uintptr_t) produce_uva,
produce_q->kernel_if->num_pages, 1,
produce_q->kernel_if->u.h.header_page);
- if (retval < produce_q->kernel_if->num_pages) {
+ if (retval < (int)produce_q->kernel_if->num_pages) {
pr_debug("get_user_pages_fast(produce) failed (retval=%d)",
retval);
qp_release_pages(produce_q->kernel_if->u.h.header_page,
@@ -767,7 +767,7 @@ static int qp_host_get_user_memory(u64 produce_uva,
retval = get_user_pages_fast((uintptr_t) consume_uva,
consume_q->kernel_if->num_pages, 1,
consume_q->kernel_if->u.h.header_page);
- if (retval < consume_q->kernel_if->num_pages) {
+ if (retval < (int)consume_q->kernel_if->num_pages) {
pr_debug("get_user_pages_fast(consume) failed (retval=%d)",
retval);
qp_release_pages(consume_q->kernel_if->u.h.header_page,
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h
index e093cbf26c8c..f9d68453c81d 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -213,10 +213,10 @@ struct hnae_desc_cb {
/* priv data for the desc, e.g. skb when use with ip stack*/
void *priv;
- u16 page_offset;
- u16 reuse_flag;
+ u32 page_offset;
+ u32 length; /* length of the buffer */
- u16 length; /* length of the buffer */
+ u16 reuse_flag;
/* desc type, used by the ring user to mark the type of the priv data */
u16 type;
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 111e1aab7d83..8a2a07e21324 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -529,7 +529,7 @@ static void hns_nic_reuse_page(struct sk_buff *skb, int i,
}
skb_add_rx_frag(skb, i, desc_cb->priv, desc_cb->page_offset + pull_len,
- size - pull_len, truesize - pull_len);
+ size - pull_len, truesize);
/* avoid re-using remote pages,flag default unreuse */
if (unlikely(page_to_nid(desc_cb->priv) != numa_node_id()))
diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
index 975eeb885ca2..e84574b1eae7 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
@@ -645,14 +645,14 @@ static int e1000_set_ringparam(struct net_device *netdev,
adapter->tx_ring = tx_old;
e1000_free_all_rx_resources(adapter);
e1000_free_all_tx_resources(adapter);
- kfree(tx_old);
- kfree(rx_old);
adapter->rx_ring = rxdr;
adapter->tx_ring = txdr;
err = e1000_up(adapter);
if (err)
goto err_setup;
}
+ kfree(tx_old);
+ kfree(rx_old);
clear_bit(__E1000_RESETTING, &adapter->flags);
return 0;
@@ -665,7 +665,8 @@ static int e1000_set_ringparam(struct net_device *netdev,
err_alloc_rx:
kfree(txdr);
err_alloc_tx:
- e1000_up(adapter);
+ if (netif_running(adapter->netdev))
+ e1000_up(adapter);
err_setup:
clear_bit(__E1000_RESETTING, &adapter->flags);
return err;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index eaa242df4131..e175fcd73739 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -97,18 +97,57 @@ int qed_mcp_free(struct qed_hwfn *p_hwfn)
return 0;
}
+/* Maximum of 1 sec to wait for the SHMEM ready indication */
+#define QED_MCP_SHMEM_RDY_MAX_RETRIES 20
+#define QED_MCP_SHMEM_RDY_ITER_MS 50
+
static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
struct qed_mcp_info *p_info = p_hwfn->mcp_info;
+ u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
+ u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
u32 drv_mb_offsize, mfw_mb_offsize;
u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
- if (!p_info->public_base)
- return 0;
+ if (!p_info->public_base) {
+ DP_NOTICE(p_hwfn,
+ "The address of the MCP scratch-pad is not configured\n");
+ return -EINVAL;
+ }
p_info->public_base |= GRCBASE_MCP;
+ /* Get the MFW MB address and number of supported messages */
+ mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
+ SECTION_OFFSIZE_ADDR(p_info->public_base,
+ PUBLIC_MFW_MB));
+ p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
+ p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
+ p_info->mfw_mb_addr +
+ offsetof(struct public_mfw_mb,
+ sup_msgs));
+
+ /* The driver can notify that there was an MCP reset, and might read the
+ * SHMEM values before the MFW has completed initializing them.
+ * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
+ * data ready indication.
+ */
+ while (!p_info->mfw_mb_length && --cnt) {
+ msleep(msec);
+ p_info->mfw_mb_length =
+ (u16)qed_rd(p_hwfn, p_ptt,
+ p_info->mfw_mb_addr +
+ offsetof(struct public_mfw_mb, sup_msgs));
+ }
+
+ if (!cnt) {
+ DP_NOTICE(p_hwfn,
+ "Failed to get the SHMEM ready notification after %d msec\n",
+ QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
+ return -EBUSY;
+ }
+
/* Calculate the driver and MFW mailbox address */
drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
SECTION_OFFSIZE_ADDR(p_info->public_base,
@@ -118,13 +157,6 @@ static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
"drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
- /* Set the MFW MB address */
- mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
- SECTION_OFFSIZE_ADDR(p_info->public_base,
- PUBLIC_MFW_MB));
- p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
- p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr);
-
/* Get the current driver mailbox sequence before sending
* the first command
*/
@@ -1198,31 +1230,61 @@ qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
return rc;
}
+/* A maximal 100 msec waiting time for the MCP to halt */
+#define QED_MCP_HALT_SLEEP_MS 10
+#define QED_MCP_HALT_MAX_RETRIES 10
+
int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
- u32 resp = 0, param = 0;
+ u32 resp = 0, param = 0, cpu_state, cnt = 0;
int rc;
rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
¶m);
- if (rc)
+ if (rc) {
DP_ERR(p_hwfn, "MCP response failure, aborting\n");
+ return rc;
+ }
- return rc;
+ do {
+ msleep(QED_MCP_HALT_SLEEP_MS);
+ cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
+ if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
+ break;
+ } while (++cnt < QED_MCP_HALT_MAX_RETRIES);
+
+ if (cnt == QED_MCP_HALT_MAX_RETRIES) {
+ DP_NOTICE(p_hwfn,
+ "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
+ qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
+ return -EBUSY;
+ }
+
+ return 0;
}
+#define QED_MCP_RESUME_SLEEP_MS 10
+
int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
- u32 value, cpu_mode;
+ u32 cpu_mode, cpu_state;
qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
- value = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
- value &= ~MCP_REG_CPU_MODE_SOFT_HALT;
- qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, value);
cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
+ cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
+ qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
+ msleep(QED_MCP_RESUME_SLEEP_MS);
+ cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
- return (cpu_mode & MCP_REG_CPU_MODE_SOFT_HALT) ? -EAGAIN : 0;
+ if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
+ DP_NOTICE(p_hwfn,
+ "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
+ cpu_mode, cpu_state);
+ return -EBUSY;
+ }
+
+ return 0;
}
int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
index b414a0542177..56be1d6adfcc 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
@@ -510,6 +510,7 @@
0
#define MCP_REG_CPU_STATE \
0xe05004UL
+#define MCP_REG_CPU_STATE_SOFT_HALTED (0x1UL << 10)
#define MCP_REG_CPU_EVENT_MASK \
0xe05008UL
#define PGLUE_B_REG_PF_BAR0_SIZE \
diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 2e5150b0b8d5..7a14e8170e82 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -40,8 +40,11 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev)
{
struct gmii2rgmii *priv = phydev->priv;
u16 val = 0;
+ int err;
- priv->phy_drv->read_status(phydev);
+ err = priv->phy_drv->read_status(phydev);
+ if (err < 0)
+ return err;
val = mdiobus_read(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG);
val &= ~XILINX_GMII2RGMII_SPEED_MASK;
@@ -81,6 +84,11 @@ static int xgmiitorgmii_probe(struct mdio_device *mdiodev)
return -EPROBE_DEFER;
}
+ if (!priv->phy_dev->drv) {
+ dev_info(dev, "Attached phy not ready\n");
+ return -EPROBE_DEFER;
+ }
+
priv->addr = mdiodev->addr;
priv->phy_drv = priv->phy_dev->drv;
memcpy(&priv->conv_phy_drv, priv->phy_dev->drv,
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index ba1fe61e6ea6..a3c218047597 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -214,11 +214,12 @@ int ath10k_htt_rx_ring_refill(struct ath10k *ar)
spin_lock_bh(&htt->rx_ring.lock);
ret = ath10k_htt_rx_ring_fill_n(htt, (htt->rx_ring.fill_level -
htt->rx_ring.fill_cnt));
- spin_unlock_bh(&htt->rx_ring.lock);
if (ret)
ath10k_htt_rx_ring_free(htt);
+ spin_unlock_bh(&htt->rx_ring.lock);
+
return ret;
}
@@ -230,7 +231,9 @@ void ath10k_htt_rx_free(struct ath10k_htt *htt)
skb_queue_purge(&htt->rx_in_ord_compl_q);
skb_queue_purge(&htt->tx_fetch_ind_q);
+ spin_lock_bh(&htt->rx_ring.lock);
ath10k_htt_rx_ring_free(htt);
+ spin_unlock_bh(&htt->rx_ring.lock);
dma_free_coherent(htt->ar->dev,
(htt->rx_ring.size *
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 15b2350d9f45..c9f8847dc123 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2921,6 +2921,8 @@ static void rndis_wlan_auth_indication(struct usbnet *usbdev,
while (buflen >= sizeof(*auth_req)) {
auth_req = (void *)buf;
+ if (buflen < le32_to_cpu(auth_req->length))
+ return;
type = "unknown";
flags = le32_to_cpu(auth_req->flags);
pairwise_error = false;
diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
index 7f4da727bb7b..96f83f09b8c5 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -35,6 +35,7 @@
#include "wl12xx_80211.h"
#include "cmd.h"
#include "event.h"
+#include "ps.h"
#include "tx.h"
#include "hw_ops.h"
@@ -191,6 +192,10 @@ int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl,
timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ return ret;
+
do {
if (time_after(jiffies, timeout_time)) {
wl1271_debug(DEBUG_CMD, "timeout waiting for event %d",
@@ -222,6 +227,7 @@ int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl,
} while (!event);
out:
+ wl1271_ps_elp_sleep(wl);
kfree(events_vector);
return ret;
}
diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c
index 102f95a09460..e9e749f87517 100644
--- a/drivers/power/reset/vexpress-poweroff.c
+++ b/drivers/power/reset/vexpress-poweroff.c
@@ -35,6 +35,7 @@ static void vexpress_reset_do(struct device *dev, const char *what)
}
static struct device *vexpress_power_off_device;
+static atomic_t vexpress_restart_nb_refcnt = ATOMIC_INIT(0);
static void vexpress_power_off(void)
{
@@ -99,10 +100,13 @@ static int _vexpress_register_restart_handler(struct device *dev)
int err;
vexpress_restart_device = dev;
- err = register_restart_handler(&vexpress_restart_nb);
- if (err) {
- dev_err(dev, "cannot register restart handler (err=%d)\n", err);
- return err;
+ if (atomic_inc_return(&vexpress_restart_nb_refcnt) == 1) {
+ err = register_restart_handler(&vexpress_restart_nb);
+ if (err) {
+ dev_err(dev, "cannot register restart handler (err=%d)\n", err);
+ atomic_dec(&vexpress_restart_nb_refcnt);
+ return err;
+ }
}
device_create_file(dev, &dev_attr_active);
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index a74d8ca383a1..9e05ae0430a9 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -14,6 +14,7 @@
#include <linux/types.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/err.h>
@@ -138,8 +139,13 @@ static void power_supply_deferred_register_work(struct work_struct *work)
struct power_supply *psy = container_of(work, struct power_supply,
deferred_register_work.work);
- if (psy->dev.parent)
- mutex_lock(&psy->dev.parent->mutex);
+ if (psy->dev.parent) {
+ while (!mutex_trylock(&psy->dev.parent->mutex)) {
+ if (psy->removing)
+ return;
+ msleep(10);
+ }
+ }
power_supply_changed(psy);
@@ -944,6 +950,7 @@ EXPORT_SYMBOL_GPL(devm_power_supply_register_no_ws);
void power_supply_unregister(struct power_supply *psy)
{
WARN_ON(atomic_dec_return(&psy->use_cnt));
+ psy->removing = true;
cancel_work_sync(&psy->changed_work);
cancel_delayed_work_sync(&psy->deferred_register_work);
sysfs_remove_link(&psy->dev.kobj, "powers");
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 178fcda12cec..18d57c0efe9f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -4054,13 +4054,13 @@ regulator_register(const struct regulator_desc *regulator_desc,
!rdev->desc->fixed_uV)
rdev->is_switch = true;
+ dev_set_drvdata(&rdev->dev, rdev);
ret = device_register(&rdev->dev);
if (ret != 0) {
put_device(&rdev->dev);
goto unset_supplies;
}
- dev_set_drvdata(&rdev->dev, rdev);
rdev_init_debugfs(rdev);
/* try to resolve regulators supply since a new one was registered */
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index 42921dbba927..4ca10501647b 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -2742,6 +2742,8 @@ int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep)
BNX2X_DOORBELL_PCI_BAR);
reg_off = (1 << BNX2X_DB_SHIFT) * (cid_num & 0x1FFFF);
ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, 4);
+ if (!ep->qp.ctx_base)
+ return -ENOMEM;
goto arm_cq;
}
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index d9534ee6ef52..e1730227b448 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -93,7 +93,7 @@ static int max_requests = IBMVSCSI_MAX_REQUESTS_DEFAULT;
static int max_events = IBMVSCSI_MAX_REQUESTS_DEFAULT + 2;
static int fast_fail = 1;
static int client_reserve = 1;
-static char partition_name[97] = "UNKNOWN";
+static char partition_name[96] = "UNKNOWN";
static unsigned int partition_number = -1;
static struct scsi_transport_template *ibmvscsi_transport_template;
@@ -259,7 +259,7 @@ static void gather_partition_info(void)
ppartition_name = of_get_property(of_root, "ibm,partition-name", NULL);
if (ppartition_name)
- strncpy(partition_name, ppartition_name,
+ strlcpy(partition_name, ppartition_name,
sizeof(partition_name));
p_number_ptr = of_get_property(of_root, "ibm,partition-no", NULL);
if (p_number_ptr)
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 35cbd36f8d3b..090fdcdd15c9 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -6193,6 +6193,9 @@ megasas_resume(struct pci_dev *pdev)
goto fail_init_mfi;
}
+ if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS)
+ goto fail_init_mfi;
+
tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet,
(unsigned long)instance);
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index a816f07e168e..093c9cf92bfd 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -597,11 +597,13 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
ret = wait_event_interruptible_timeout(rspi->wait,
rspi->dma_callbacked, HZ);
- if (ret > 0 && rspi->dma_callbacked)
+ if (ret > 0 && rspi->dma_callbacked) {
ret = 0;
- else if (!ret) {
- dev_err(&rspi->master->dev, "DMA timeout\n");
- ret = -ETIMEDOUT;
+ } else {
+ if (!ret) {
+ dev_err(&rspi->master->dev, "DMA timeout\n");
+ ret = -ETIMEDOUT;
+ }
if (tx)
dmaengine_terminate_all(rspi->master->dma_tx);
if (rx)
@@ -1313,12 +1315,36 @@ static const struct platform_device_id spi_driver_ids[] = {
MODULE_DEVICE_TABLE(platform, spi_driver_ids);
+#ifdef CONFIG_PM_SLEEP
+static int rspi_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct rspi_data *rspi = platform_get_drvdata(pdev);
+
+ return spi_master_suspend(rspi->master);
+}
+
+static int rspi_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct rspi_data *rspi = platform_get_drvdata(pdev);
+
+ return spi_master_resume(rspi->master);
+}
+
+static SIMPLE_DEV_PM_OPS(rspi_pm_ops, rspi_suspend, rspi_resume);
+#define DEV_PM_OPS &rspi_pm_ops
+#else
+#define DEV_PM_OPS NULL
+#endif /* CONFIG_PM_SLEEP */
+
static struct platform_driver rspi_driver = {
.probe = rspi_probe,
.remove = rspi_remove,
.id_table = spi_driver_ids,
.driver = {
.name = "renesas_spi",
+ .pm = DEV_PM_OPS,
.of_match_table = of_match_ptr(rspi_of_match),
},
};
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index cbf02ebb30a2..711ea523b325 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -373,7 +373,8 @@ static void sh_msiof_spi_set_mode_regs(struct sh_msiof_spi_priv *p,
static void sh_msiof_reset_str(struct sh_msiof_spi_priv *p)
{
- sh_msiof_write(p, STR, sh_msiof_read(p, STR));
+ sh_msiof_write(p, STR,
+ sh_msiof_read(p, STR) & ~(STR_TDREQ | STR_RDREQ));
}
static void sh_msiof_spi_write_fifo_8(struct sh_msiof_spi_priv *p,
@@ -1275,12 +1276,37 @@ static const struct platform_device_id spi_driver_ids[] = {
};
MODULE_DEVICE_TABLE(platform, spi_driver_ids);
+#ifdef CONFIG_PM_SLEEP
+static int sh_msiof_spi_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct sh_msiof_spi_priv *p = platform_get_drvdata(pdev);
+
+ return spi_master_suspend(p->master);
+}
+
+static int sh_msiof_spi_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct sh_msiof_spi_priv *p = platform_get_drvdata(pdev);
+
+ return spi_master_resume(p->master);
+}
+
+static SIMPLE_DEV_PM_OPS(sh_msiof_spi_pm_ops, sh_msiof_spi_suspend,
+ sh_msiof_spi_resume);
+#define DEV_PM_OPS &sh_msiof_spi_pm_ops
+#else
+#define DEV_PM_OPS NULL
+#endif /* CONFIG_PM_SLEEP */
+
static struct platform_driver sh_msiof_spi_drv = {
.probe = sh_msiof_spi_probe,
.remove = sh_msiof_spi_remove,
.id_table = spi_driver_ids,
.driver = {
.name = "spi_sh_msiof",
+ .pm = DEV_PM_OPS,
.of_match_table = of_match_ptr(sh_msiof_match),
},
};
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 85c91f58b42f..af2880d0c112 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1063,6 +1063,24 @@ static int tegra_slink_probe(struct platform_device *pdev)
goto exit_free_master;
}
+ /* disabled clock may cause interrupt storm upon request */
+ tspi->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(tspi->clk)) {
+ ret = PTR_ERR(tspi->clk);
+ dev_err(&pdev->dev, "Can not get clock %d\n", ret);
+ goto exit_free_master;
+ }
+ ret = clk_prepare(tspi->clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Clock prepare failed %d\n", ret);
+ goto exit_free_master;
+ }
+ ret = clk_enable(tspi->clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Clock enable failed %d\n", ret);
+ goto exit_free_master;
+ }
+
spi_irq = platform_get_irq(pdev, 0);
tspi->irq = spi_irq;
ret = request_threaded_irq(tspi->irq, tegra_slink_isr,
@@ -1071,14 +1089,7 @@ static int tegra_slink_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n",
tspi->irq);
- goto exit_free_master;
- }
-
- tspi->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(tspi->clk)) {
- dev_err(&pdev->dev, "can not get clock\n");
- ret = PTR_ERR(tspi->clk);
- goto exit_free_irq;
+ goto exit_clk_disable;
}
tspi->rst = devm_reset_control_get(&pdev->dev, "spi");
@@ -1138,6 +1149,8 @@ static int tegra_slink_probe(struct platform_device *pdev)
tegra_slink_deinit_dma_param(tspi, true);
exit_free_irq:
free_irq(spi_irq, tspi);
+exit_clk_disable:
+ clk_disable(tspi->clk);
exit_free_master:
spi_master_put(master);
return ret;
@@ -1150,6 +1163,8 @@ static int tegra_slink_remove(struct platform_device *pdev)
free_irq(tspi->irq, tspi);
+ clk_disable(tspi->clk);
+
if (tspi->tx_dma_chan)
tegra_slink_deinit_dma_param(tspi, false);
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 6d690e5fa9bb..c6314d1552ea 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -383,6 +383,12 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma)
goto out;
}
+ /* requested mapping size larger than object size */
+ if (vma->vm_end - vma->vm_start > PAGE_ALIGN(asma->size)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
/* requested protection bits must match our allowed protection mask */
if (unlikely((vma->vm_flags & ~calc_vm_prot_bits(asma->prot_mask, 0)) &
calc_vm_prot_bits(PROT_MASK, 0))) {
diff --git a/drivers/staging/rts5208/sd.c b/drivers/staging/rts5208/sd.c
index b0bbb36f8988..9e63bdf2afe7 100644
--- a/drivers/staging/rts5208/sd.c
+++ b/drivers/staging/rts5208/sd.c
@@ -4976,7 +4976,7 @@ int sd_execute_write_data(struct scsi_cmnd *srb, struct rtsx_chip *chip)
goto SD_Execute_Write_Cmd_Failed;
}
- rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
+ retval = rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
if (retval != STATUS_SUCCESS) {
rtsx_trace(chip);
goto SD_Execute_Write_Cmd_Failed;
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index f06e74ea10d3..f0d97305575d 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -26,15 +26,6 @@
#include "iscsi_target_nego.h"
#include "iscsi_target_auth.h"
-static void chap_binaryhex_to_asciihex(char *dst, char *src, int src_len)
-{
- int i;
-
- for (i = 0; i < src_len; i++) {
- sprintf(&dst[i*2], "%02x", (int) src[i] & 0xff);
- }
-}
-
static void chap_gen_challenge(
struct iscsi_conn *conn,
int caller,
@@ -47,7 +38,7 @@ static void chap_gen_challenge(
memset(challenge_asciihex, 0, CHAP_CHALLENGE_LENGTH * 2 + 1);
get_random_bytes(chap->challenge, CHAP_CHALLENGE_LENGTH);
- chap_binaryhex_to_asciihex(challenge_asciihex, chap->challenge,
+ bin2hex(challenge_asciihex, chap->challenge,
CHAP_CHALLENGE_LENGTH);
/*
* Set CHAP_C, and copy the generated challenge into c_str.
@@ -281,7 +272,7 @@ static int chap_server_compute_md5(
goto out;
}
- chap_binaryhex_to_asciihex(response, server_digest, MD5_SIGNATURE_SIZE);
+ bin2hex(response, server_digest, MD5_SIGNATURE_SIZE);
pr_debug("[server] MD5 Server Digest: %s\n", response);
if (memcmp(server_digest, client_digest, MD5_SIGNATURE_SIZE) != 0) {
@@ -403,7 +394,7 @@ static int chap_server_compute_md5(
/*
* Convert response from binary hex to ascii hext.
*/
- chap_binaryhex_to_asciihex(response, digest, MD5_SIGNATURE_SIZE);
+ bin2hex(response, digest, MD5_SIGNATURE_SIZE);
*nr_out_len += sprintf(nr_out_ptr + *nr_out_len, "CHAP_R=0x%s",
response);
*nr_out_len += 1;
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index 63e1dcc5914d..761b065a40bb 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -637,8 +637,7 @@ int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)
none = strstr(buf1, NONE);
if (none)
goto out;
- strncat(buf1, ",", strlen(","));
- strncat(buf1, NONE, strlen(NONE));
+ strlcat(buf1, "," NONE, sizeof(buf1));
if (iscsi_update_param_value(param, buf1) < 0)
return -EINVAL;
}
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index d04ec3b9e5ff..8a70b57d129c 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -278,10 +278,13 @@ static int of_thermal_set_mode(struct thermal_zone_device *tz,
mutex_lock(&tz->lock);
- if (mode == THERMAL_DEVICE_ENABLED)
+ if (mode == THERMAL_DEVICE_ENABLED) {
tz->polling_delay = data->polling_delay;
- else
+ tz->passive_delay = data->passive_delay;
+ } else {
tz->polling_delay = 0;
+ tz->passive_delay = 0;
+ }
mutex_unlock(&tz->lock);
diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c
index 933c2688dd7e..8106353ce7aa 100644
--- a/drivers/tty/serial/8250/serial_cs.c
+++ b/drivers/tty/serial/8250/serial_cs.c
@@ -637,8 +637,10 @@ static int serial_config(struct pcmcia_device *link)
(link->has_func_id) &&
(link->socket->pcmcia_pfc == 0) &&
((link->func_id == CISTPL_FUNCID_MULTI) ||
- (link->func_id == CISTPL_FUNCID_SERIAL)))
- pcmcia_loop_config(link, serial_check_for_multi, info);
+ (link->func_id == CISTPL_FUNCID_SERIAL))) {
+ if (pcmcia_loop_config(link, serial_check_for_multi, info))
+ goto failed;
+ }
/*
* Apply any multi-port quirk.
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index d3e3d42c0c12..0040c29f651a 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
@@ -1068,8 +1068,8 @@ static int poll_wait_key(char *obuf, struct uart_cpm_port *pinfo)
/* Get the address of the host memory buffer.
*/
bdp = pinfo->rx_cur;
- while (bdp->cbd_sc & BD_SC_EMPTY)
- ;
+ if (bdp->cbd_sc & BD_SC_EMPTY)
+ return NO_POLL_CHAR;
/* If the buffer address is in the CPM DPRAM, don't
* convert it.
@@ -1104,7 +1104,11 @@ static int cpm_get_poll_char(struct uart_port *port)
poll_chars = 0;
}
if (poll_chars <= 0) {
- poll_chars = poll_wait_key(poll_buf, pinfo);
+ int ret = poll_wait_key(poll_buf, pinfo);
+
+ if (ret == NO_POLL_CHAR)
+ return ret;
+ poll_chars = ret;
pollp = poll_buf;
}
poll_chars--;
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 937f5e10f165..e2ec04904f54 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -833,7 +833,8 @@ static inline int lpuart_start_rx_dma(struct lpuart_port *sport)
struct circ_buf *ring = &sport->rx_ring;
int ret, nent;
int bits, baud;
- struct tty_struct *tty = tty_port_tty_get(&sport->port.state->port);
+ struct tty_port *port = &sport->port.state->port;
+ struct tty_struct *tty = port->tty;
struct ktermios *termios = &tty->termios;
baud = tty_get_baud_rate(tty);
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index b24edf634985..0d82be145c68 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2197,6 +2197,14 @@ static int serial_imx_probe(struct platform_device *pdev)
ret);
return ret;
}
+
+ ret = devm_request_irq(&pdev->dev, rtsirq, imx_rtsint, 0,
+ dev_name(&pdev->dev), sport);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to request rts irq: %d\n",
+ ret);
+ return ret;
+ }
} else {
ret = devm_request_irq(&pdev->dev, rxirq, imx_int, 0,
dev_name(&pdev->dev), sport);
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index adc0f78dc54d..9f001659807a 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -470,7 +470,7 @@ 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_ATOMIC);
+ rv = usb_submit_urb(desc->response, GFP_KERNEL);
spin_lock_irq(&desc->iuspin);
if (rv) {
dev_err(&desc->intf->dev,
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 893ebae51029..988240e3cb58 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1450,10 +1450,13 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
struct async *as = NULL;
struct usb_ctrlrequest *dr = NULL;
unsigned int u, totlen, isofrmlen;
- int i, ret, is_in, num_sgs = 0, ifnum = -1;
+ int i, ret, num_sgs = 0, ifnum = -1;
int number_of_packets = 0;
unsigned int stream_id = 0;
void *buf;
+ bool is_in;
+ bool allow_short = false;
+ bool allow_zero = false;
unsigned long mask = USBDEVFS_URB_SHORT_NOT_OK |
USBDEVFS_URB_BULK_CONTINUATION |
USBDEVFS_URB_NO_FSBR |
@@ -1487,6 +1490,8 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
u = 0;
switch (uurb->type) {
case USBDEVFS_URB_TYPE_CONTROL:
+ if (is_in)
+ allow_short = true;
if (!usb_endpoint_xfer_control(&ep->desc))
return -EINVAL;
/* min 8 byte setup packet */
@@ -1527,6 +1532,10 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
break;
case USBDEVFS_URB_TYPE_BULK:
+ if (!is_in)
+ allow_zero = true;
+ else
+ allow_short = true;
switch (usb_endpoint_type(&ep->desc)) {
case USB_ENDPOINT_XFER_CONTROL:
case USB_ENDPOINT_XFER_ISOC:
@@ -1547,6 +1556,10 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
if (!usb_endpoint_xfer_int(&ep->desc))
return -EINVAL;
interrupt_urb:
+ if (!is_in)
+ allow_zero = true;
+ else
+ allow_short = true;
break;
case USBDEVFS_URB_TYPE_ISO:
@@ -1691,16 +1704,21 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
u = (is_in ? URB_DIR_IN : URB_DIR_OUT);
if (uurb->flags & USBDEVFS_URB_ISO_ASAP)
u |= URB_ISO_ASAP;
- if (uurb->flags & USBDEVFS_URB_SHORT_NOT_OK && is_in)
+ if (allow_short && uurb->flags & USBDEVFS_URB_SHORT_NOT_OK)
u |= URB_SHORT_NOT_OK;
if (uurb->flags & USBDEVFS_URB_NO_FSBR)
u |= URB_NO_FSBR;
- if (uurb->flags & USBDEVFS_URB_ZERO_PACKET)
+ if (allow_zero && uurb->flags & USBDEVFS_URB_ZERO_PACKET)
u |= URB_ZERO_PACKET;
if (uurb->flags & USBDEVFS_URB_NO_INTERRUPT)
u |= URB_NO_INTERRUPT;
as->urb->transfer_flags = u;
+ if (!allow_short && uurb->flags & USBDEVFS_URB_SHORT_NOT_OK)
+ dev_warn(&ps->dev->dev, "Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK.\n");
+ if (!allow_zero && uurb->flags & USBDEVFS_URB_ZERO_PACKET)
+ dev_warn(&ps->dev->dev, "Requested nonsensical USBDEVFS_URB_ZERO_PACKET.\n");
+
as->urb->transfer_buffer_length = uurb->buffer_length;
as->urb->setup_packet = (unsigned char *)dr;
dr = NULL;
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 0bb380a9fcf7..e9d6cf146fcc 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -509,7 +509,6 @@ int usb_driver_claim_interface(struct usb_driver *driver,
struct device *dev;
struct usb_device *udev;
int retval = 0;
- int lpm_disable_error = -ENODEV;
if (!iface)
return -ENODEV;
@@ -530,16 +529,6 @@ int usb_driver_claim_interface(struct usb_driver *driver,
iface->condition = USB_INTERFACE_BOUND;
- /* See the comment about disabling LPM in usb_probe_interface(). */
- if (driver->disable_hub_initiated_lpm) {
- lpm_disable_error = usb_unlocked_disable_lpm(udev);
- if (lpm_disable_error) {
- dev_err(&iface->dev, "%s Failed to disable LPM for driver %s\n.",
- __func__, driver->name);
- return -ENOMEM;
- }
- }
-
/* Claimed interfaces are initially inactive (suspended) and
* runtime-PM-enabled, but only if the driver has autosuspend
* support. Otherwise they are marked active, to prevent the
@@ -558,9 +547,20 @@ int usb_driver_claim_interface(struct usb_driver *driver,
if (device_is_registered(dev))
retval = device_bind_driver(dev);
- /* Attempt to re-enable USB3 LPM, if the disable was successful. */
- if (!lpm_disable_error)
- usb_unlocked_enable_lpm(udev);
+ if (retval) {
+ dev->driver = NULL;
+ usb_set_intfdata(iface, NULL);
+ iface->needs_remote_wakeup = 0;
+ iface->condition = USB_INTERFACE_UNBOUND;
+
+ /*
+ * Unbound interfaces are always runtime-PM-disabled
+ * and runtime-PM-suspended
+ */
+ if (driver->supports_autosuspend)
+ pm_runtime_disable(dev);
+ pm_runtime_set_suspended(dev);
+ }
return retval;
}
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index eaf1c3b06f02..891261b43c67 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -91,6 +91,8 @@ struct usb_host_interface *usb_find_alt_setting(
struct usb_interface_cache *intf_cache = NULL;
int i;
+ if (!config)
+ return NULL;
for (i = 0; i < config->desc.bNumInterfaces; i++) {
if (config->intf_cache[i]->altsetting[0].desc.bInterfaceNumber
== iface_num) {
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 813035f51fe7..7d252678c55a 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -408,12 +408,20 @@ static int kobil_tiocmget(struct tty_struct *tty)
transfer_buffer_length,
KOBIL_TIMEOUT);
- dev_dbg(&port->dev, "%s - Send get_status_line_state URB returns: %i. Statusline: %02x\n",
- __func__, result, transfer_buffer[0]);
+ dev_dbg(&port->dev, "Send get_status_line_state URB returns: %i\n",
+ result);
+ if (result < 1) {
+ if (result >= 0)
+ result = -EIO;
+ goto out_free;
+ }
+
+ dev_dbg(&port->dev, "Statusline: %02x\n", transfer_buffer[0]);
result = 0;
if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0)
result = TIOCM_DSR;
+out_free:
kfree(transfer_buffer);
return result;
}
diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c
index 8c9421b69da0..6bf86ca950b3 100644
--- a/drivers/usb/wusbcore/security.c
+++ b/drivers/usb/wusbcore/security.c
@@ -230,7 +230,7 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
0, secd, sizeof(*secd));
- if (result < sizeof(*secd)) {
+ if (result < (int)sizeof(*secd)) {
dev_err(dev, "Can't read security descriptor or "
"not enough data: %d\n", result);
goto out;
diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 9a53912bdfe9..5d3ba747ae17 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -873,6 +873,7 @@ static int hwarc_probe(struct usb_interface *iface,
error_rc_add:
usb_put_intf(iface);
usb_put_dev(hwarc->usb_dev);
+ kfree(hwarc);
error_alloc:
uwb_rc_put(uwb_rc);
error_rc_alloc:
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index fdcbe0f2814f..c19c96840480 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1426,6 +1426,11 @@ static int ext4_xattr_make_inode_space(handle_t *handle, struct inode *inode,
last = IFIRST(header);
/* Find the entry best suited to be pushed into EA block */
for (; !IS_LAST_ENTRY(last); last = EXT4_XATTR_NEXT(last)) {
+ /* never move system.data out of the inode */
+ if ((last->e_name_len == 4) &&
+ (last->e_name_index == EXT4_XATTR_INDEX_SYSTEM) &&
+ !memcmp(last->e_name, "data", 4))
+ continue;
total_size =
EXT4_XATTR_SIZE(le32_to_cpu(last->e_value_size)) +
EXT4_XATTR_LEN(last->e_name_len);
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index eef0caf6e67d..e9495516527d 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1725,6 +1725,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
if (status) {
op = &args->ops[0];
op->status = status;
+ resp->opcnt = 1;
goto encode_op;
}
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index ca1d2cc2cdfa..18863d56273c 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -199,47 +199,57 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
#define __declare_arg_0(a0, res) \
struct arm_smccc_res *___res = res; \
- register u32 r0 asm("r0") = a0; \
+ register unsigned long r0 asm("r0") = (u32)a0; \
register unsigned long r1 asm("r1"); \
register unsigned long r2 asm("r2"); \
register unsigned long r3 asm("r3")
#define __declare_arg_1(a0, a1, res) \
+ typeof(a1) __a1 = a1; \
struct arm_smccc_res *___res = res; \
- register u32 r0 asm("r0") = a0; \
- register typeof(a1) r1 asm("r1") = a1; \
+ register unsigned long r0 asm("r0") = (u32)a0; \
+ register unsigned long r1 asm("r1") = __a1; \
register unsigned long r2 asm("r2"); \
register unsigned long r3 asm("r3")
#define __declare_arg_2(a0, a1, a2, res) \
+ typeof(a1) __a1 = a1; \
+ typeof(a2) __a2 = a2; \
struct arm_smccc_res *___res = res; \
- register u32 r0 asm("r0") = a0; \
- register typeof(a1) r1 asm("r1") = a1; \
- register typeof(a2) r2 asm("r2") = a2; \
+ register unsigned long r0 asm("r0") = (u32)a0; \
+ register unsigned long r1 asm("r1") = __a1; \
+ register unsigned long r2 asm("r2") = __a2; \
register unsigned long r3 asm("r3")
#define __declare_arg_3(a0, a1, a2, a3, res) \
+ typeof(a1) __a1 = a1; \
+ typeof(a2) __a2 = a2; \
+ typeof(a3) __a3 = a3; \
struct arm_smccc_res *___res = res; \
- register u32 r0 asm("r0") = a0; \
- register typeof(a1) r1 asm("r1") = a1; \
- register typeof(a2) r2 asm("r2") = a2; \
- register typeof(a3) r3 asm("r3") = a3
+ register unsigned long r0 asm("r0") = (u32)a0; \
+ register unsigned long r1 asm("r1") = __a1; \
+ register unsigned long r2 asm("r2") = __a2; \
+ register unsigned long r3 asm("r3") = __a3
#define __declare_arg_4(a0, a1, a2, a3, a4, res) \
+ typeof(a4) __a4 = a4; \
__declare_arg_3(a0, a1, a2, a3, res); \
- register typeof(a4) r4 asm("r4") = a4
+ register unsigned long r4 asm("r4") = __a4
#define __declare_arg_5(a0, a1, a2, a3, a4, a5, res) \
+ typeof(a5) __a5 = a5; \
__declare_arg_4(a0, a1, a2, a3, a4, res); \
- register typeof(a5) r5 asm("r5") = a5
+ register unsigned long r5 asm("r5") = __a5
#define __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res) \
+ typeof(a6) __a6 = a6; \
__declare_arg_5(a0, a1, a2, a3, a4, a5, res); \
- register typeof(a6) r6 asm("r6") = a6
+ register unsigned long r6 asm("r6") = __a6
#define __declare_arg_7(a0, a1, a2, a3, a4, a5, a6, a7, res) \
+ typeof(a7) __a7 = a7; \
__declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res); \
- register typeof(a7) r7 asm("r7") = a7
+ register unsigned long r7 asm("r7") = __a7
#define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
#define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
diff --git a/include/linux/platform_data/ina2xx.h b/include/linux/platform_data/ina2xx.h
index 9abc0ca7259b..9f0aa1b48c78 100644
--- a/include/linux/platform_data/ina2xx.h
+++ b/include/linux/platform_data/ina2xx.h
@@ -1,7 +1,7 @@
/*
* Driver for Texas Instruments INA219, INA226 power monitor chips
*
- * Copyright (C) 2012 Lothar Felten <l-felten@...com>
+ * Copyright (C) 2012 Lothar Felten <lothar.felten@...il.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 3965503315ef..ad97baf7b8de 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -249,6 +249,7 @@ struct power_supply {
spinlock_t changed_lock;
bool changed;
bool initialized;
+ bool removing;
atomic_t use_cnt;
#ifdef CONFIG_THERMAL
struct thermal_zone_device *tzd;
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 75f56c2ef2d4..b6a59e8cd855 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -67,7 +67,8 @@ struct kmem_cache {
int size; /* The size of an object including meta data */
int object_size; /* The size of an object without meta data */
int offset; /* Free pointer offset. */
- int cpu_partial; /* Number of per cpu partial objects to keep around */
+ /* Number of per cpu partial objects to keep around */
+ unsigned int cpu_partial;
struct kmem_cache_order_objects oo;
/* Allocation and freeing of slabs */
diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h
index e19e6246e21c..d2671606cb5d 100644
--- a/include/media/v4l2-fh.h
+++ b/include/media/v4l2-fh.h
@@ -42,10 +42,13 @@ struct v4l2_ctrl_handler;
* @prio: priority of the file handler, as defined by &enum v4l2_priority
*
* @wait: event' s wait queue
+ * @subscribe_lock: serialise changes to the subscribed list; guarantee that
+ * the add and del event callbacks are orderly called
* @subscribed: list of subscribed events
* @available: list of events waiting to be dequeued
* @navailable: number of available events at @available list
* @sequence: event sequence number
+ *
* @m2m_ctx: pointer to &struct v4l2_m2m_ctx
*/
struct v4l2_fh {
@@ -56,6 +59,7 @@ struct v4l2_fh {
/* Events */
wait_queue_head_t wait;
+ struct mutex subscribe_lock;
struct list_head subscribed;
struct list_head available;
unsigned int navailable;
diff --git a/kernel/module.c b/kernel/module.c
index 0651f2d25fc9..2325c9821f2a 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -4011,7 +4011,7 @@ static unsigned long mod_find_symname(struct module *mod, const char *name)
for (i = 0; i < kallsyms->num_symtab; i++)
if (strcmp(name, symname(kallsyms, i)) == 0 &&
- kallsyms->symtab[i].st_info != 'U')
+ kallsyms->symtab[i].st_shndx != SHN_UNDEF)
return kallsyms->symtab[i].st_value;
return 0;
}
@@ -4057,6 +4057,10 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
if (mod->state == MODULE_STATE_UNFORMED)
continue;
for (i = 0; i < kallsyms->num_symtab; i++) {
+
+ if (kallsyms->symtab[i].st_shndx == SHN_UNDEF)
+ continue;
+
ret = fn(data, symname(kallsyms, i),
mod, kallsyms->symtab[i].st_value);
if (ret != 0)
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index d67ef56ca9bc..a0ee81f49a87 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -786,7 +786,8 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags,
/* Convert (if necessary) to absolute time */
if (flags != TIMER_ABSTIME) {
ktime_t now = alarm_bases[type].gettime();
- exp = ktime_add(now, exp);
+
+ exp = ktime_add_safe(now, exp);
}
if (alarmtimer_do_nsleep(&alarm, exp))
diff --git a/lib/klist.c b/lib/klist.c
index 0507fa5d84c5..f6b547812fe3 100644
--- a/lib/klist.c
+++ b/lib/klist.c
@@ -336,8 +336,9 @@ struct klist_node *klist_prev(struct klist_iter *i)
void (*put)(struct klist_node *) = i->i_klist->put;
struct klist_node *last = i->i_cur;
struct klist_node *prev;
+ unsigned long flags;
- spin_lock(&i->i_klist->k_lock);
+ spin_lock_irqsave(&i->i_klist->k_lock, flags);
if (last) {
prev = to_klist_node(last->n_node.prev);
@@ -356,7 +357,7 @@ struct klist_node *klist_prev(struct klist_iter *i)
prev = to_klist_node(prev->n_node.prev);
}
- spin_unlock(&i->i_klist->k_lock);
+ spin_unlock_irqrestore(&i->i_klist->k_lock, flags);
if (put && last)
put(last);
@@ -377,8 +378,9 @@ struct klist_node *klist_next(struct klist_iter *i)
void (*put)(struct klist_node *) = i->i_klist->put;
struct klist_node *last = i->i_cur;
struct klist_node *next;
+ unsigned long flags;
- spin_lock(&i->i_klist->k_lock);
+ spin_lock_irqsave(&i->i_klist->k_lock, flags);
if (last) {
next = to_klist_node(last->n_node.next);
@@ -397,7 +399,7 @@ struct klist_node *klist_next(struct klist_iter *i)
next = to_klist_node(next->n_node.next);
}
- spin_unlock(&i->i_klist->k_lock);
+ spin_unlock_irqrestore(&i->i_klist->k_lock, flags);
if (put && last)
put(last);
diff --git a/mm/slub.c b/mm/slub.c
index e0ce5dec84ba..131dee87a67c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1793,7 +1793,7 @@ static void *get_partial_node(struct kmem_cache *s, struct kmem_cache_node *n,
{
struct page *page, *page2;
void *object = NULL;
- int available = 0;
+ unsigned int available = 0;
int objects;
/*
@@ -4870,10 +4870,10 @@ static ssize_t cpu_partial_show(struct kmem_cache *s, char *buf)
static ssize_t cpu_partial_store(struct kmem_cache *s, const char *buf,
size_t length)
{
- unsigned long objects;
+ unsigned int objects;
int err;
- err = kstrtoul(buf, 10, &objects);
+ err = kstrtouint(buf, 10, &objects);
if (err)
return err;
if (objects && !kmem_cache_has_cpu_partial(s))
diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c
index 79f1fa22509a..23654f1902f3 100644
--- a/net/6lowpan/iphc.c
+++ b/net/6lowpan/iphc.c
@@ -745,6 +745,7 @@ int lowpan_header_decompress(struct sk_buff *skb, const struct net_device *dev,
hdr.hop_limit, &hdr.daddr);
skb_push(skb, sizeof(hdr));
+ skb_reset_mac_header(skb);
skb_reset_network_header(skb);
skb_copy_to_linear_data(skb, &hdr, sizeof(hdr));
diff --git a/sound/aoa/core/gpio-feature.c b/sound/aoa/core/gpio-feature.c
index 71960089e207..65557421fe0b 100644
--- a/sound/aoa/core/gpio-feature.c
+++ b/sound/aoa/core/gpio-feature.c
@@ -88,8 +88,10 @@ static struct device_node *get_gpio(char *name,
}
reg = of_get_property(np, "reg", NULL);
- if (!reg)
+ if (!reg) {
+ of_node_put(np);
return NULL;
+ }
*gpioptr = *reg;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 4e331dd5ff47..f913809a7de3 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2349,7 +2349,8 @@ static const struct pci_device_id azx_ids[] = {
.driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
/* AMD Raven */
{ PCI_DEVICE(0x1022, 0x15e3),
- .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
+ .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
+ AZX_DCAPS_PM_RUNTIME },
/* ATI HDMI */
{ PCI_DEVICE(0x1002, 0x0002),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 0b5d132bc3dd..8bfc534e3b34 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3913,6 +3913,13 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
continue;
}
+ /* let users know there is no DAI to link */
+ if (!dai_w->priv) {
+ dev_dbg(card->dev, "dai widget %s has no DAI\n",
+ dai_w->name);
+ continue;
+ }
+
dai = dai_w->priv;
/* ...find all widgets with the same stream and link them */
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