1361 lines
43 KiB
Diff
1361 lines
43 KiB
Diff
diff --git a/Makefile b/Makefile
|
|
index bee0218e3fb5..194c35eff19c 100644
|
|
--- a/Makefile
|
|
+++ b/Makefile
|
|
@@ -1,6 +1,6 @@
|
|
VERSION = 4
|
|
PATCHLEVEL = 9
|
|
-SUBLEVEL = 195
|
|
+SUBLEVEL = 196
|
|
EXTRAVERSION =
|
|
NAME = Roaring Lionus
|
|
|
|
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
|
|
index 5ca207ada852..2539c8f9fb3f 100644
|
|
--- a/arch/arm/mm/fault.c
|
|
+++ b/arch/arm/mm/fault.c
|
|
@@ -214,7 +214,7 @@ static inline bool access_error(unsigned int fsr, struct vm_area_struct *vma)
|
|
{
|
|
unsigned int mask = VM_READ | VM_WRITE | VM_EXEC;
|
|
|
|
- if (fsr & FSR_WRITE)
|
|
+ if ((fsr & FSR_WRITE) && !(fsr & FSR_CM))
|
|
mask = VM_WRITE;
|
|
if (fsr & FSR_LNX_PF)
|
|
mask = VM_EXEC;
|
|
@@ -284,7 +284,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
|
|
|
|
if (user_mode(regs))
|
|
flags |= FAULT_FLAG_USER;
|
|
- if (fsr & FSR_WRITE)
|
|
+ if ((fsr & FSR_WRITE) && !(fsr & FSR_CM))
|
|
flags |= FAULT_FLAG_WRITE;
|
|
|
|
/*
|
|
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
|
|
index afc1f84e763b..9bc272642d55 100644
|
|
--- a/arch/arm/mm/fault.h
|
|
+++ b/arch/arm/mm/fault.h
|
|
@@ -5,6 +5,7 @@
|
|
* Fault status register encodings. We steal bit 31 for our own purposes.
|
|
*/
|
|
#define FSR_LNX_PF (1 << 31)
|
|
+#define FSR_CM (1 << 13)
|
|
#define FSR_WRITE (1 << 11)
|
|
#define FSR_FS4 (1 << 10)
|
|
#define FSR_FS3_0 (15)
|
|
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
|
|
index f7c741358f37..241bf898adf5 100644
|
|
--- a/arch/arm/mm/mmu.c
|
|
+++ b/arch/arm/mm/mmu.c
|
|
@@ -1168,6 +1168,22 @@ void __init adjust_lowmem_bounds(void)
|
|
*/
|
|
vmalloc_limit = (u64)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET;
|
|
|
|
+ /*
|
|
+ * The first usable region must be PMD aligned. Mark its start
|
|
+ * as MEMBLOCK_NOMAP if it isn't
|
|
+ */
|
|
+ for_each_memblock(memory, reg) {
|
|
+ if (!memblock_is_nomap(reg)) {
|
|
+ if (!IS_ALIGNED(reg->base, PMD_SIZE)) {
|
|
+ phys_addr_t len;
|
|
+
|
|
+ len = round_up(reg->base, PMD_SIZE) - reg->base;
|
|
+ memblock_mark_nomap(reg->base, len);
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
for_each_memblock(memory, reg) {
|
|
phys_addr_t block_start = reg->base;
|
|
phys_addr_t block_end = reg->base + reg->size;
|
|
diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
|
|
index 0f2e1ab5e166..9b2e2e2e728a 100644
|
|
--- a/arch/arm64/include/asm/cmpxchg.h
|
|
+++ b/arch/arm64/include/asm/cmpxchg.h
|
|
@@ -73,7 +73,7 @@ __XCHG_CASE( , , mb_8, dmb ish, nop, , a, l, "memory")
|
|
#undef __XCHG_CASE
|
|
|
|
#define __XCHG_GEN(sfx) \
|
|
-static inline unsigned long __xchg##sfx(unsigned long x, \
|
|
+static __always_inline unsigned long __xchg##sfx(unsigned long x, \
|
|
volatile void *ptr, \
|
|
int size) \
|
|
{ \
|
|
@@ -115,7 +115,7 @@ __XCHG_GEN(_mb)
|
|
#define xchg(...) __xchg_wrapper( _mb, __VA_ARGS__)
|
|
|
|
#define __CMPXCHG_GEN(sfx) \
|
|
-static inline unsigned long __cmpxchg##sfx(volatile void *ptr, \
|
|
+static __always_inline unsigned long __cmpxchg##sfx(volatile void *ptr, \
|
|
unsigned long old, \
|
|
unsigned long new, \
|
|
int size) \
|
|
@@ -248,7 +248,7 @@ __CMPWAIT_CASE( , , 8);
|
|
#undef __CMPWAIT_CASE
|
|
|
|
#define __CMPWAIT_GEN(sfx) \
|
|
-static inline void __cmpwait##sfx(volatile void *ptr, \
|
|
+static __always_inline void __cmpwait##sfx(volatile void *ptr, \
|
|
unsigned long val, \
|
|
int size) \
|
|
{ \
|
|
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
|
|
index 3cc5b2e4263c..47d50197789b 100644
|
|
--- a/arch/mips/mm/tlbex.c
|
|
+++ b/arch/mips/mm/tlbex.c
|
|
@@ -637,7 +637,7 @@ static __maybe_unused void build_convert_pte_to_entrylo(u32 **p,
|
|
return;
|
|
}
|
|
|
|
- if (cpu_has_rixi && _PAGE_NO_EXEC) {
|
|
+ if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
|
|
if (fill_includes_sw_bits) {
|
|
UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL));
|
|
} else {
|
|
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
|
|
index f4c7467f7465..b73ab8a7ebc3 100644
|
|
--- a/arch/powerpc/include/asm/futex.h
|
|
+++ b/arch/powerpc/include/asm/futex.h
|
|
@@ -60,8 +60,7 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
|
|
|
|
pagefault_enable();
|
|
|
|
- if (!ret)
|
|
- *oval = oldval;
|
|
+ *oval = oldval;
|
|
|
|
return ret;
|
|
}
|
|
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
|
|
index 92474227262b..0c8b966e8070 100644
|
|
--- a/arch/powerpc/kernel/exceptions-64s.S
|
|
+++ b/arch/powerpc/kernel/exceptions-64s.S
|
|
@@ -467,6 +467,10 @@ EXC_COMMON_BEGIN(machine_check_handle_early)
|
|
RFI_TO_USER_OR_KERNEL
|
|
9:
|
|
/* Deliver the machine check to host kernel in V mode. */
|
|
+BEGIN_FTR_SECTION
|
|
+ ld r10,ORIG_GPR3(r1)
|
|
+ mtspr SPRN_CFAR,r10
|
|
+END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
|
|
MACHINE_CHECK_HANDLER_WINDUP
|
|
b machine_check_pSeries
|
|
|
|
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
|
|
index 6a3e5de544ce..a309a7a29cc6 100644
|
|
--- a/arch/powerpc/kernel/rtas.c
|
|
+++ b/arch/powerpc/kernel/rtas.c
|
|
@@ -874,15 +874,17 @@ static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
|
|
return 0;
|
|
|
|
for_each_cpu(cpu, cpus) {
|
|
+ struct device *dev = get_cpu_device(cpu);
|
|
+
|
|
switch (state) {
|
|
case DOWN:
|
|
- cpuret = cpu_down(cpu);
|
|
+ cpuret = device_offline(dev);
|
|
break;
|
|
case UP:
|
|
- cpuret = cpu_up(cpu);
|
|
+ cpuret = device_online(dev);
|
|
break;
|
|
}
|
|
- if (cpuret) {
|
|
+ if (cpuret < 0) {
|
|
pr_debug("%s: cpu_%s for cpu#%d returned %d.\n",
|
|
__func__,
|
|
((state == UP) ? "up" : "down"),
|
|
@@ -971,6 +973,8 @@ int rtas_ibm_suspend_me(u64 handle)
|
|
data.token = rtas_token("ibm,suspend-me");
|
|
data.complete = &done;
|
|
|
|
+ lock_device_hotplug();
|
|
+
|
|
/* All present CPUs must be online */
|
|
cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask);
|
|
cpuret = rtas_online_cpus_mask(offline_mask);
|
|
@@ -1002,6 +1006,7 @@ int rtas_ibm_suspend_me(u64 handle)
|
|
__func__);
|
|
|
|
out:
|
|
+ unlock_device_hotplug();
|
|
free_cpumask_var(offline_mask);
|
|
return atomic_read(&data.error);
|
|
}
|
|
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
|
|
index 3784a7abfcc8..74791e8382d2 100644
|
|
--- a/arch/powerpc/platforms/pseries/mobility.c
|
|
+++ b/arch/powerpc/platforms/pseries/mobility.c
|
|
@@ -11,6 +11,7 @@
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/kobject.h>
|
|
+#include <linux/sched.h>
|
|
#include <linux/smp.h>
|
|
#include <linux/stat.h>
|
|
#include <linux/completion.h>
|
|
@@ -206,7 +207,11 @@ static int update_dt_node(__be32 phandle, s32 scope)
|
|
|
|
prop_data += vd;
|
|
}
|
|
+
|
|
+ cond_resched();
|
|
}
|
|
+
|
|
+ cond_resched();
|
|
} while (rtas_rc == 1);
|
|
|
|
of_node_put(dn);
|
|
@@ -282,8 +287,12 @@ int pseries_devicetree_update(s32 scope)
|
|
add_dt_node(phandle, drc_index);
|
|
break;
|
|
}
|
|
+
|
|
+ cond_resched();
|
|
}
|
|
}
|
|
+
|
|
+ cond_resched();
|
|
} while (rc == 1);
|
|
|
|
kfree(rtas_buf);
|
|
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
|
|
index adb09ab87f7c..30782859d898 100644
|
|
--- a/arch/powerpc/platforms/pseries/setup.c
|
|
+++ b/arch/powerpc/platforms/pseries/setup.c
|
|
@@ -298,6 +298,9 @@ static void pseries_lpar_idle(void)
|
|
* low power mode by ceding processor to hypervisor
|
|
*/
|
|
|
|
+ if (!prep_irq_for_idle())
|
|
+ return;
|
|
+
|
|
/* Indicate to hypervisor that we are idle. */
|
|
get_lppaca()->idle = 1;
|
|
|
|
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
|
|
index 2a17123130d3..224aeda1e8cc 100644
|
|
--- a/arch/s390/hypfs/inode.c
|
|
+++ b/arch/s390/hypfs/inode.c
|
|
@@ -267,7 +267,7 @@ static int hypfs_show_options(struct seq_file *s, struct dentry *root)
|
|
static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
|
|
{
|
|
struct inode *root_inode;
|
|
- struct dentry *root_dentry;
|
|
+ struct dentry *root_dentry, *update_file;
|
|
int rc = 0;
|
|
struct hypfs_sb_info *sbi;
|
|
|
|
@@ -298,9 +298,10 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
|
|
rc = hypfs_diag_create_files(root_dentry);
|
|
if (rc)
|
|
return rc;
|
|
- sbi->update_file = hypfs_create_update_file(root_dentry);
|
|
- if (IS_ERR(sbi->update_file))
|
|
- return PTR_ERR(sbi->update_file);
|
|
+ update_file = hypfs_create_update_file(root_dentry);
|
|
+ if (IS_ERR(update_file))
|
|
+ return PTR_ERR(update_file);
|
|
+ sbi->update_file = update_file;
|
|
hypfs_update_update(sb);
|
|
pr_info("Hypervisor filesystem mounted\n");
|
|
return 0;
|
|
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
|
|
index e0a53156b782..82af65818444 100644
|
|
--- a/drivers/char/ipmi/ipmi_si_intf.c
|
|
+++ b/drivers/char/ipmi/ipmi_si_intf.c
|
|
@@ -283,6 +283,9 @@ struct smi_info {
|
|
*/
|
|
bool irq_enable_broken;
|
|
|
|
+ /* Is the driver in maintenance mode? */
|
|
+ bool in_maintenance_mode;
|
|
+
|
|
/*
|
|
* Did we get an attention that we did not handle?
|
|
*/
|
|
@@ -1093,11 +1096,20 @@ static int ipmi_thread(void *data)
|
|
spin_unlock_irqrestore(&(smi_info->si_lock), flags);
|
|
busy_wait = ipmi_thread_busy_wait(smi_result, smi_info,
|
|
&busy_until);
|
|
- if (smi_result == SI_SM_CALL_WITHOUT_DELAY)
|
|
+ if (smi_result == SI_SM_CALL_WITHOUT_DELAY) {
|
|
; /* do nothing */
|
|
- else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait)
|
|
- schedule();
|
|
- else if (smi_result == SI_SM_IDLE) {
|
|
+ } else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait) {
|
|
+ /*
|
|
+ * In maintenance mode we run as fast as
|
|
+ * possible to allow firmware updates to
|
|
+ * complete as fast as possible, but normally
|
|
+ * don't bang on the scheduler.
|
|
+ */
|
|
+ if (smi_info->in_maintenance_mode)
|
|
+ schedule();
|
|
+ else
|
|
+ usleep_range(100, 200);
|
|
+ } else if (smi_result == SI_SM_IDLE) {
|
|
if (atomic_read(&smi_info->need_watch)) {
|
|
schedule_timeout_interruptible(100);
|
|
} else {
|
|
@@ -1105,8 +1117,9 @@ static int ipmi_thread(void *data)
|
|
__set_current_state(TASK_INTERRUPTIBLE);
|
|
schedule();
|
|
}
|
|
- } else
|
|
+ } else {
|
|
schedule_timeout_interruptible(1);
|
|
+ }
|
|
}
|
|
return 0;
|
|
}
|
|
@@ -1285,6 +1298,7 @@ static void set_maintenance_mode(void *send_info, bool enable)
|
|
|
|
if (!enable)
|
|
atomic_set(&smi_info->req_events, 0);
|
|
+ smi_info->in_maintenance_mode = enable;
|
|
}
|
|
|
|
static const struct ipmi_smi_handlers handlers = {
|
|
diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
|
|
index c813c27f2e58..2f97a843d6d6 100644
|
|
--- a/drivers/clk/at91/clk-main.c
|
|
+++ b/drivers/clk/at91/clk-main.c
|
|
@@ -27,6 +27,10 @@
|
|
|
|
#define MOR_KEY_MASK (0xff << 16)
|
|
|
|
+#define clk_main_parent_select(s) (((s) & \
|
|
+ (AT91_PMC_MOSCEN | \
|
|
+ AT91_PMC_OSCBYPASS)) ? 1 : 0)
|
|
+
|
|
struct clk_main_osc {
|
|
struct clk_hw hw;
|
|
struct regmap *regmap;
|
|
@@ -119,7 +123,7 @@ static int clk_main_osc_is_prepared(struct clk_hw *hw)
|
|
|
|
regmap_read(regmap, AT91_PMC_SR, &status);
|
|
|
|
- return (status & AT91_PMC_MOSCS) && (tmp & AT91_PMC_MOSCEN);
|
|
+ return (status & AT91_PMC_MOSCS) && clk_main_parent_select(tmp);
|
|
}
|
|
|
|
static const struct clk_ops main_osc_ops = {
|
|
@@ -530,7 +534,7 @@ static u8 clk_sam9x5_main_get_parent(struct clk_hw *hw)
|
|
|
|
regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
|
|
|
|
- return status & AT91_PMC_MOSCEN ? 1 : 0;
|
|
+ return clk_main_parent_select(status);
|
|
}
|
|
|
|
static const struct clk_ops sam9x5_main_ops = {
|
|
@@ -572,7 +576,7 @@ at91_clk_register_sam9x5_main(struct regmap *regmap,
|
|
clkmain->hw.init = &init;
|
|
clkmain->regmap = regmap;
|
|
regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
|
|
- clkmain->parent = status & AT91_PMC_MOSCEN ? 1 : 0;
|
|
+ clkmain->parent = clk_main_parent_select(status);
|
|
|
|
hw = &clkmain->hw;
|
|
ret = clk_hw_register(NULL, &clkmain->hw);
|
|
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
|
|
index 80ae2a51452d..cdce49f6476a 100644
|
|
--- a/drivers/clk/clk-qoriq.c
|
|
+++ b/drivers/clk/clk-qoriq.c
|
|
@@ -540,7 +540,7 @@ static const struct clockgen_chipinfo chipinfo[] = {
|
|
.guts_compat = "fsl,qoriq-device-config-1.0",
|
|
.init_periph = p5020_init_periph,
|
|
.cmux_groups = {
|
|
- &p2041_cmux_grp1, &p2041_cmux_grp2
|
|
+ &p5020_cmux_grp1, &p5020_cmux_grp2
|
|
},
|
|
.cmux_to_group = {
|
|
0, 1, -1
|
|
diff --git a/drivers/clk/sirf/clk-common.c b/drivers/clk/sirf/clk-common.c
|
|
index 77e1e2491689..edb7197cc4b4 100644
|
|
--- a/drivers/clk/sirf/clk-common.c
|
|
+++ b/drivers/clk/sirf/clk-common.c
|
|
@@ -298,9 +298,10 @@ static u8 dmn_clk_get_parent(struct clk_hw *hw)
|
|
{
|
|
struct clk_dmn *clk = to_dmnclk(hw);
|
|
u32 cfg = clkc_readl(clk->regofs);
|
|
+ const char *name = clk_hw_get_name(hw);
|
|
|
|
/* parent of io domain can only be pll3 */
|
|
- if (strcmp(hw->init->name, "io") == 0)
|
|
+ if (strcmp(name, "io") == 0)
|
|
return 4;
|
|
|
|
WARN_ON((cfg & (BIT(3) - 1)) > 4);
|
|
@@ -312,9 +313,10 @@ static int dmn_clk_set_parent(struct clk_hw *hw, u8 parent)
|
|
{
|
|
struct clk_dmn *clk = to_dmnclk(hw);
|
|
u32 cfg = clkc_readl(clk->regofs);
|
|
+ const char *name = clk_hw_get_name(hw);
|
|
|
|
/* parent of io domain can only be pll3 */
|
|
- if (strcmp(hw->init->name, "io") == 0)
|
|
+ if (strcmp(name, "io") == 0)
|
|
return -EINVAL;
|
|
|
|
cfg &= ~(BIT(3) - 1);
|
|
@@ -354,7 +356,8 @@ static long dmn_clk_round_rate(struct clk_hw *hw, unsigned long rate,
|
|
{
|
|
unsigned long fin;
|
|
unsigned ratio, wait, hold;
|
|
- unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
|
|
+ const char *name = clk_hw_get_name(hw);
|
|
+ unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;
|
|
|
|
fin = *parent_rate;
|
|
ratio = fin / rate;
|
|
@@ -376,7 +379,8 @@ static int dmn_clk_set_rate(struct clk_hw *hw, unsigned long rate,
|
|
struct clk_dmn *clk = to_dmnclk(hw);
|
|
unsigned long fin;
|
|
unsigned ratio, wait, hold, reg;
|
|
- unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
|
|
+ const char *name = clk_hw_get_name(hw);
|
|
+ unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;
|
|
|
|
fin = parent_rate;
|
|
ratio = fin / rate;
|
|
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
|
|
index 327bdf13e8bc..b0beb5e537bc 100644
|
|
--- a/drivers/gpu/drm/amd/amdgpu/si.c
|
|
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
|
|
@@ -1606,7 +1606,7 @@ static void si_program_aspm(struct amdgpu_device *adev)
|
|
if (orig != data)
|
|
si_pif_phy1_wreg(adev,PB1_PIF_PWRDOWN_1, data);
|
|
|
|
- if ((adev->family != CHIP_OLAND) && (adev->family != CHIP_HAINAN)) {
|
|
+ if ((adev->asic_type != CHIP_OLAND) && (adev->asic_type != CHIP_HAINAN)) {
|
|
orig = data = si_pif_phy0_rreg(adev,PB0_PIF_PWRDOWN_0);
|
|
data &= ~PLL_RAMP_UP_TIME_0_MASK;
|
|
if (orig != data)
|
|
@@ -1655,14 +1655,14 @@ static void si_program_aspm(struct amdgpu_device *adev)
|
|
|
|
orig = data = si_pif_phy0_rreg(adev,PB0_PIF_CNTL);
|
|
data &= ~LS2_EXIT_TIME_MASK;
|
|
- if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN))
|
|
+ if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN))
|
|
data |= LS2_EXIT_TIME(5);
|
|
if (orig != data)
|
|
si_pif_phy0_wreg(adev,PB0_PIF_CNTL, data);
|
|
|
|
orig = data = si_pif_phy1_rreg(adev,PB1_PIF_CNTL);
|
|
data &= ~LS2_EXIT_TIME_MASK;
|
|
- if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN))
|
|
+ if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN))
|
|
data |= LS2_EXIT_TIME(5);
|
|
if (orig != data)
|
|
si_pif_phy1_wreg(adev,PB1_PIF_CNTL, data);
|
|
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
|
|
index 80993a8734e0..8b6f8fac92e8 100644
|
|
--- a/drivers/gpu/drm/bridge/tc358767.c
|
|
+++ b/drivers/gpu/drm/bridge/tc358767.c
|
|
@@ -300,7 +300,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
|
|
struct drm_dp_aux_msg *msg)
|
|
{
|
|
struct tc_data *tc = aux_to_tc(aux);
|
|
- size_t size = min_t(size_t, 8, msg->size);
|
|
+ size_t size = min_t(size_t, DP_AUX_MAX_PAYLOAD_BYTES - 1, msg->size);
|
|
u8 request = msg->request & ~DP_AUX_I2C_MOT;
|
|
u8 *buf = msg->buffer;
|
|
u32 tmp = 0;
|
|
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
|
|
index c5e1aa5f1d8e..efa875120071 100644
|
|
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
|
|
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
|
|
@@ -764,7 +764,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct
|
|
|
|
radeon_encoder->output_csc = val;
|
|
|
|
- if (connector->encoder->crtc) {
|
|
+ if (connector->encoder && connector->encoder->crtc) {
|
|
struct drm_crtc *crtc = connector->encoder->crtc;
|
|
const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
|
|
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
|
|
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
|
|
index 30bd4a6a9d46..3ccf5b28b326 100644
|
|
--- a/drivers/gpu/drm/radeon/radeon_drv.c
|
|
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
|
|
@@ -366,11 +366,19 @@ radeon_pci_remove(struct pci_dev *pdev)
|
|
static void
|
|
radeon_pci_shutdown(struct pci_dev *pdev)
|
|
{
|
|
+ struct drm_device *ddev = pci_get_drvdata(pdev);
|
|
+
|
|
/* if we are running in a VM, make sure the device
|
|
* torn down properly on reboot/shutdown
|
|
*/
|
|
if (radeon_device_is_virtual())
|
|
radeon_pci_remove(pdev);
|
|
+
|
|
+ /* Some adapters need to be suspended before a
|
|
+ * shutdown occurs in order to prevent an error
|
|
+ * during kexec.
|
|
+ */
|
|
+ radeon_suspend_kms(ddev, true, true, false);
|
|
}
|
|
|
|
static int radeon_pmops_suspend(struct device *dev)
|
|
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
|
|
index 65a0c79f212e..31c087e1746d 100644
|
|
--- a/drivers/hid/hid-apple.c
|
|
+++ b/drivers/hid/hid-apple.c
|
|
@@ -55,7 +55,6 @@ MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\")
|
|
struct apple_sc {
|
|
unsigned long quirks;
|
|
unsigned int fn_on;
|
|
- DECLARE_BITMAP(pressed_fn, KEY_CNT);
|
|
DECLARE_BITMAP(pressed_numlock, KEY_CNT);
|
|
};
|
|
|
|
@@ -182,6 +181,8 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
|
|
{
|
|
struct apple_sc *asc = hid_get_drvdata(hid);
|
|
const struct apple_key_translation *trans, *table;
|
|
+ bool do_translate;
|
|
+ u16 code = 0;
|
|
|
|
if (usage->code == KEY_FN) {
|
|
asc->fn_on = !!value;
|
|
@@ -190,8 +191,6 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
|
|
}
|
|
|
|
if (fnmode) {
|
|
- int do_translate;
|
|
-
|
|
if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
|
|
hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS)
|
|
table = macbookair_fn_keys;
|
|
@@ -203,25 +202,33 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
|
|
trans = apple_find_translation (table, usage->code);
|
|
|
|
if (trans) {
|
|
- if (test_bit(usage->code, asc->pressed_fn))
|
|
- do_translate = 1;
|
|
- else if (trans->flags & APPLE_FLAG_FKEY)
|
|
- do_translate = (fnmode == 2 && asc->fn_on) ||
|
|
- (fnmode == 1 && !asc->fn_on);
|
|
- else
|
|
- do_translate = asc->fn_on;
|
|
-
|
|
- if (do_translate) {
|
|
- if (value)
|
|
- set_bit(usage->code, asc->pressed_fn);
|
|
- else
|
|
- clear_bit(usage->code, asc->pressed_fn);
|
|
-
|
|
- input_event(input, usage->type, trans->to,
|
|
- value);
|
|
-
|
|
- return 1;
|
|
+ if (test_bit(trans->from, input->key))
|
|
+ code = trans->from;
|
|
+ else if (test_bit(trans->to, input->key))
|
|
+ code = trans->to;
|
|
+
|
|
+ if (!code) {
|
|
+ if (trans->flags & APPLE_FLAG_FKEY) {
|
|
+ switch (fnmode) {
|
|
+ case 1:
|
|
+ do_translate = !asc->fn_on;
|
|
+ break;
|
|
+ case 2:
|
|
+ do_translate = asc->fn_on;
|
|
+ break;
|
|
+ default:
|
|
+ /* should never happen */
|
|
+ do_translate = false;
|
|
+ }
|
|
+ } else {
|
|
+ do_translate = asc->fn_on;
|
|
+ }
|
|
+
|
|
+ code = do_translate ? trans->to : trans->from;
|
|
}
|
|
+
|
|
+ input_event(input, usage->type, code, value);
|
|
+ return 1;
|
|
}
|
|
|
|
if (asc->quirks & APPLE_NUMLOCK_EMULATION &&
|
|
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
|
|
index 9ff243970e93..5b41111e62fd 100644
|
|
--- a/drivers/mfd/intel-lpss-pci.c
|
|
+++ b/drivers/mfd/intel-lpss-pci.c
|
|
@@ -39,6 +39,8 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev,
|
|
info->mem = &pdev->resource[0];
|
|
info->irq = pdev->irq;
|
|
|
|
+ pdev->d3cold_delay = 0;
|
|
+
|
|
/* Probably it is enough to set this for iDMA capable devices only */
|
|
pci_set_master(pdev);
|
|
|
|
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
|
|
index 23d6c44dc459..9ce1ad3d950c 100644
|
|
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
|
|
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
|
|
@@ -137,13 +137,12 @@ static int uldrx_handler(struct sge_rspq *q, const __be64 *rsp,
|
|
static int alloc_uld_rxqs(struct adapter *adap,
|
|
struct sge_uld_rxq_info *rxq_info, bool lro)
|
|
{
|
|
- struct sge *s = &adap->sge;
|
|
unsigned int nq = rxq_info->nrxq + rxq_info->nciq;
|
|
+ int i, err, msi_idx, que_idx = 0, bmap_idx = 0;
|
|
struct sge_ofld_rxq *q = rxq_info->uldrxq;
|
|
unsigned short *ids = rxq_info->rspq_id;
|
|
- unsigned int bmap_idx = 0;
|
|
+ struct sge *s = &adap->sge;
|
|
unsigned int per_chan;
|
|
- int i, err, msi_idx, que_idx = 0;
|
|
|
|
per_chan = rxq_info->nrxq / adap->params.nports;
|
|
|
|
@@ -161,6 +160,10 @@ static int alloc_uld_rxqs(struct adapter *adap,
|
|
|
|
if (msi_idx >= 0) {
|
|
bmap_idx = get_msix_idx_from_bmap(adap);
|
|
+ if (bmap_idx < 0) {
|
|
+ err = -ENOSPC;
|
|
+ goto freeout;
|
|
+ }
|
|
msi_idx = adap->msix_info_ulds[bmap_idx].idx;
|
|
}
|
|
err = t4_sge_alloc_rxq(adap, &q->rspq, false,
|
|
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
|
|
index 355c5fb802cd..c653b97d84d5 100644
|
|
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
|
|
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
|
|
@@ -2783,6 +2783,7 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
|
|
netdev_err(qdev->ndev,
|
|
"PCI mapping failed with error: %d\n",
|
|
err);
|
|
+ dev_kfree_skb_irq(skb);
|
|
ql_free_large_buffers(qdev);
|
|
return -ENOMEM;
|
|
}
|
|
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
|
|
index 66ae647b712e..27fc699d8be5 100644
|
|
--- a/drivers/net/usb/hso.c
|
|
+++ b/drivers/net/usb/hso.c
|
|
@@ -2635,14 +2635,18 @@ static struct hso_device *hso_create_bulk_serial_device(
|
|
*/
|
|
if (serial->tiocmget) {
|
|
tiocmget = serial->tiocmget;
|
|
+ tiocmget->endp = hso_get_ep(interface,
|
|
+ USB_ENDPOINT_XFER_INT,
|
|
+ USB_DIR_IN);
|
|
+ if (!tiocmget->endp) {
|
|
+ dev_err(&interface->dev, "Failed to find INT IN ep\n");
|
|
+ goto exit;
|
|
+ }
|
|
+
|
|
tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (tiocmget->urb) {
|
|
mutex_init(&tiocmget->mutex);
|
|
init_waitqueue_head(&tiocmget->waitq);
|
|
- tiocmget->endp = hso_get_ep(
|
|
- interface,
|
|
- USB_ENDPOINT_XFER_INT,
|
|
- USB_DIR_IN);
|
|
} else
|
|
hso_free_tiomget(serial);
|
|
}
|
|
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
|
|
index 05953e14a064..0d48714c3f28 100644
|
|
--- a/drivers/net/usb/qmi_wwan.c
|
|
+++ b/drivers/net/usb/qmi_wwan.c
|
|
@@ -940,6 +940,7 @@ static const struct usb_device_id products[] = {
|
|
{QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */
|
|
{QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */
|
|
{QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/
|
|
+ {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */
|
|
{QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
|
|
{QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
|
|
{QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
|
|
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
|
|
index c31c564b8eab..6d391a268469 100644
|
|
--- a/drivers/net/xen-netfront.c
|
|
+++ b/drivers/net/xen-netfront.c
|
|
@@ -888,9 +888,9 @@ static int xennet_set_skb_gso(struct sk_buff *skb,
|
|
return 0;
|
|
}
|
|
|
|
-static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
|
|
- struct sk_buff *skb,
|
|
- struct sk_buff_head *list)
|
|
+static int xennet_fill_frags(struct netfront_queue *queue,
|
|
+ struct sk_buff *skb,
|
|
+ struct sk_buff_head *list)
|
|
{
|
|
RING_IDX cons = queue->rx.rsp_cons;
|
|
struct sk_buff *nskb;
|
|
@@ -909,7 +909,7 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
|
|
if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) {
|
|
queue->rx.rsp_cons = ++cons + skb_queue_len(list);
|
|
kfree_skb(nskb);
|
|
- return ~0U;
|
|
+ return -ENOENT;
|
|
}
|
|
|
|
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
|
|
@@ -920,7 +920,9 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
|
|
kfree_skb(nskb);
|
|
}
|
|
|
|
- return cons;
|
|
+ queue->rx.rsp_cons = cons;
|
|
+
|
|
+ return 0;
|
|
}
|
|
|
|
static int checksum_setup(struct net_device *dev, struct sk_buff *skb)
|
|
@@ -1046,8 +1048,7 @@ err:
|
|
skb->data_len = rx->status;
|
|
skb->len += rx->status;
|
|
|
|
- i = xennet_fill_frags(queue, skb, &tmpq);
|
|
- if (unlikely(i == ~0U))
|
|
+ if (unlikely(xennet_fill_frags(queue, skb, &tmpq)))
|
|
goto err;
|
|
|
|
if (rx->flags & XEN_NETRXF_csum_blank)
|
|
@@ -1057,7 +1058,7 @@ err:
|
|
|
|
__skb_queue_tail(&rxq, skb);
|
|
|
|
- queue->rx.rsp_cons = ++i;
|
|
+ i = ++queue->rx.rsp_cons;
|
|
work_done++;
|
|
}
|
|
|
|
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
|
|
index 8dfccf733241..8e101b19c4d6 100644
|
|
--- a/drivers/pci/host/pci-tegra.c
|
|
+++ b/drivers/pci/host/pci-tegra.c
|
|
@@ -1898,14 +1898,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
|
|
err = of_pci_get_devfn(port);
|
|
if (err < 0) {
|
|
dev_err(dev, "failed to parse address: %d\n", err);
|
|
- return err;
|
|
+ goto err_node_put;
|
|
}
|
|
|
|
index = PCI_SLOT(err);
|
|
|
|
if (index < 1 || index > soc->num_ports) {
|
|
dev_err(dev, "invalid port number: %d\n", index);
|
|
- return -EINVAL;
|
|
+ err = -EINVAL;
|
|
+ goto err_node_put;
|
|
}
|
|
|
|
index--;
|
|
@@ -1914,12 +1915,13 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
|
|
if (err < 0) {
|
|
dev_err(dev, "failed to parse # of lanes: %d\n",
|
|
err);
|
|
- return err;
|
|
+ goto err_node_put;
|
|
}
|
|
|
|
if (value > 16) {
|
|
dev_err(dev, "invalid # of lanes: %u\n", value);
|
|
- return -EINVAL;
|
|
+ err = -EINVAL;
|
|
+ goto err_node_put;
|
|
}
|
|
|
|
lanes |= value << (index << 3);
|
|
@@ -1933,13 +1935,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
|
|
lane += value;
|
|
|
|
rp = devm_kzalloc(dev, sizeof(*rp), GFP_KERNEL);
|
|
- if (!rp)
|
|
- return -ENOMEM;
|
|
+ if (!rp) {
|
|
+ err = -ENOMEM;
|
|
+ goto err_node_put;
|
|
+ }
|
|
|
|
err = of_address_to_resource(port, 0, &rp->regs);
|
|
if (err < 0) {
|
|
dev_err(dev, "failed to parse address: %d\n", err);
|
|
- return err;
|
|
+ goto err_node_put;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&rp->list);
|
|
@@ -1966,6 +1970,10 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
|
|
return err;
|
|
|
|
return 0;
|
|
+
|
|
+err_node_put:
|
|
+ of_node_put(port);
|
|
+ return err;
|
|
}
|
|
|
|
/*
|
|
diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c
|
|
index 277622b4b6fb..1d9f63e954c7 100644
|
|
--- a/drivers/pinctrl/tegra/pinctrl-tegra.c
|
|
+++ b/drivers/pinctrl/tegra/pinctrl-tegra.c
|
|
@@ -52,7 +52,9 @@ static inline u32 pmx_readl(struct tegra_pmx *pmx, u32 bank, u32 reg)
|
|
|
|
static inline void pmx_writel(struct tegra_pmx *pmx, u32 val, u32 bank, u32 reg)
|
|
{
|
|
- writel(val, pmx->regs[bank] + reg);
|
|
+ writel_relaxed(val, pmx->regs[bank] + reg);
|
|
+ /* make sure pinmux register write completed */
|
|
+ pmx_readl(pmx, bank, reg);
|
|
}
|
|
|
|
static int tegra_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
|
|
diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c
|
|
index bd70339c1242..03d9855a6afd 100644
|
|
--- a/drivers/scsi/scsi_logging.c
|
|
+++ b/drivers/scsi/scsi_logging.c
|
|
@@ -16,57 +16,15 @@
|
|
#include <scsi/scsi_eh.h>
|
|
#include <scsi/scsi_dbg.h>
|
|
|
|
-#define SCSI_LOG_SPOOLSIZE 4096
|
|
-
|
|
-#if (SCSI_LOG_SPOOLSIZE / SCSI_LOG_BUFSIZE) > BITS_PER_LONG
|
|
-#warning SCSI logging bitmask too large
|
|
-#endif
|
|
-
|
|
-struct scsi_log_buf {
|
|
- char buffer[SCSI_LOG_SPOOLSIZE];
|
|
- unsigned long map;
|
|
-};
|
|
-
|
|
-static DEFINE_PER_CPU(struct scsi_log_buf, scsi_format_log);
|
|
-
|
|
static char *scsi_log_reserve_buffer(size_t *len)
|
|
{
|
|
- struct scsi_log_buf *buf;
|
|
- unsigned long map_bits = sizeof(buf->buffer) / SCSI_LOG_BUFSIZE;
|
|
- unsigned long idx = 0;
|
|
-
|
|
- preempt_disable();
|
|
- buf = this_cpu_ptr(&scsi_format_log);
|
|
- idx = find_first_zero_bit(&buf->map, map_bits);
|
|
- if (likely(idx < map_bits)) {
|
|
- while (test_and_set_bit(idx, &buf->map)) {
|
|
- idx = find_next_zero_bit(&buf->map, map_bits, idx);
|
|
- if (idx >= map_bits)
|
|
- break;
|
|
- }
|
|
- }
|
|
- if (WARN_ON(idx >= map_bits)) {
|
|
- preempt_enable();
|
|
- return NULL;
|
|
- }
|
|
- *len = SCSI_LOG_BUFSIZE;
|
|
- return buf->buffer + idx * SCSI_LOG_BUFSIZE;
|
|
+ *len = 128;
|
|
+ return kmalloc(*len, GFP_ATOMIC);
|
|
}
|
|
|
|
static void scsi_log_release_buffer(char *bufptr)
|
|
{
|
|
- struct scsi_log_buf *buf;
|
|
- unsigned long idx;
|
|
- int ret;
|
|
-
|
|
- buf = this_cpu_ptr(&scsi_format_log);
|
|
- if (bufptr >= buf->buffer &&
|
|
- bufptr < buf->buffer + SCSI_LOG_SPOOLSIZE) {
|
|
- idx = (bufptr - buf->buffer) / SCSI_LOG_BUFSIZE;
|
|
- ret = test_and_clear_bit(idx, &buf->map);
|
|
- WARN_ON(!ret);
|
|
- }
|
|
- preempt_enable();
|
|
+ kfree(bufptr);
|
|
}
|
|
|
|
static inline const char *scmd_name(const struct scsi_cmnd *scmd)
|
|
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
|
|
index f9a75df2d22d..a1a712d18e02 100644
|
|
--- a/drivers/vfio/pci/vfio_pci.c
|
|
+++ b/drivers/vfio/pci/vfio_pci.c
|
|
@@ -356,11 +356,20 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev)
|
|
pci_write_config_word(pdev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE);
|
|
|
|
/*
|
|
- * Try to reset the device. The success of this is dependent on
|
|
- * being able to lock the device, which is not always possible.
|
|
+ * Try to get the locks ourselves to prevent a deadlock. The
|
|
+ * success of this is dependent on being able to lock the device,
|
|
+ * which is not always possible.
|
|
+ * We can not use the "try" reset interface here, which will
|
|
+ * overwrite the previously restored configuration information.
|
|
*/
|
|
- if (vdev->reset_works && !pci_try_reset_function(pdev))
|
|
- vdev->needs_reset = false;
|
|
+ if (vdev->reset_works && pci_cfg_access_trylock(pdev)) {
|
|
+ if (device_trylock(&pdev->dev)) {
|
|
+ if (!__pci_reset_function_locked(pdev))
|
|
+ vdev->needs_reset = false;
|
|
+ device_unlock(&pdev->dev);
|
|
+ }
|
|
+ pci_cfg_access_unlock(pdev);
|
|
+ }
|
|
|
|
pci_restore_state(pdev);
|
|
out:
|
|
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
|
|
index 2925d5ce8d3e..1267b93c03bd 100644
|
|
--- a/drivers/video/fbdev/ssd1307fb.c
|
|
+++ b/drivers/video/fbdev/ssd1307fb.c
|
|
@@ -430,7 +430,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
- ret = ssd1307fb_write_cmd(par->client, 0x0);
|
|
+ ret = ssd1307fb_write_cmd(par->client, par->page_offset);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
|
|
index 81cecbe6d7cf..971e369517a7 100644
|
|
--- a/fs/fat/dir.c
|
|
+++ b/fs/fat/dir.c
|
|
@@ -1097,8 +1097,11 @@ static int fat_zeroed_cluster(struct inode *dir, sector_t blknr, int nr_used,
|
|
err = -ENOMEM;
|
|
goto error;
|
|
}
|
|
+ /* Avoid race with userspace read via bdev */
|
|
+ lock_buffer(bhs[n]);
|
|
memset(bhs[n]->b_data, 0, sb->s_blocksize);
|
|
set_buffer_uptodate(bhs[n]);
|
|
+ unlock_buffer(bhs[n]);
|
|
mark_buffer_dirty_inode(bhs[n], dir);
|
|
|
|
n++;
|
|
@@ -1155,6 +1158,8 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec *ts)
|
|
fat_time_unix2fat(sbi, ts, &time, &date, &time_cs);
|
|
|
|
de = (struct msdos_dir_entry *)bhs[0]->b_data;
|
|
+ /* Avoid race with userspace read via bdev */
|
|
+ lock_buffer(bhs[0]);
|
|
/* filling the new directory slots ("." and ".." entries) */
|
|
memcpy(de[0].name, MSDOS_DOT, MSDOS_NAME);
|
|
memcpy(de[1].name, MSDOS_DOTDOT, MSDOS_NAME);
|
|
@@ -1177,6 +1182,7 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec *ts)
|
|
de[0].size = de[1].size = 0;
|
|
memset(de + 2, 0, sb->s_blocksize - 2 * sizeof(*de));
|
|
set_buffer_uptodate(bhs[0]);
|
|
+ unlock_buffer(bhs[0]);
|
|
mark_buffer_dirty_inode(bhs[0], dir);
|
|
|
|
err = fat_zeroed_cluster(dir, blknr, 1, bhs, MAX_BUF_PER_PAGE);
|
|
@@ -1234,11 +1240,14 @@ static int fat_add_new_entries(struct inode *dir, void *slots, int nr_slots,
|
|
|
|
/* fill the directory entry */
|
|
copy = min(size, sb->s_blocksize);
|
|
+ /* Avoid race with userspace read via bdev */
|
|
+ lock_buffer(bhs[n]);
|
|
memcpy(bhs[n]->b_data, slots, copy);
|
|
- slots += copy;
|
|
- size -= copy;
|
|
set_buffer_uptodate(bhs[n]);
|
|
+ unlock_buffer(bhs[n]);
|
|
mark_buffer_dirty_inode(bhs[n], dir);
|
|
+ slots += copy;
|
|
+ size -= copy;
|
|
if (!size)
|
|
break;
|
|
n++;
|
|
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
|
|
index a9cad9b60790..0129d4d07a54 100644
|
|
--- a/fs/fat/fatent.c
|
|
+++ b/fs/fat/fatent.c
|
|
@@ -389,8 +389,11 @@ static int fat_mirror_bhs(struct super_block *sb, struct buffer_head **bhs,
|
|
err = -ENOMEM;
|
|
goto error;
|
|
}
|
|
+ /* Avoid race with userspace read via bdev */
|
|
+ lock_buffer(c_bh);
|
|
memcpy(c_bh->b_data, bhs[n]->b_data, sb->s_blocksize);
|
|
set_buffer_uptodate(c_bh);
|
|
+ unlock_buffer(c_bh);
|
|
mark_buffer_dirty_inode(c_bh, sbi->fat_inode);
|
|
if (sb->s_flags & MS_SYNCHRONOUS)
|
|
err = sync_dirty_buffer(c_bh);
|
|
diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c
|
|
index 1082b2c3014b..5f2a120240e5 100644
|
|
--- a/fs/ocfs2/dlm/dlmunlock.c
|
|
+++ b/fs/ocfs2/dlm/dlmunlock.c
|
|
@@ -105,7 +105,8 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm,
|
|
enum dlm_status status;
|
|
int actions = 0;
|
|
int in_use;
|
|
- u8 owner;
|
|
+ u8 owner;
|
|
+ int recovery_wait = 0;
|
|
|
|
mlog(0, "master_node = %d, valblk = %d\n", master_node,
|
|
flags & LKM_VALBLK);
|
|
@@ -208,9 +209,12 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm,
|
|
}
|
|
if (flags & LKM_CANCEL)
|
|
lock->cancel_pending = 0;
|
|
- else
|
|
- lock->unlock_pending = 0;
|
|
-
|
|
+ else {
|
|
+ if (!lock->unlock_pending)
|
|
+ recovery_wait = 1;
|
|
+ else
|
|
+ lock->unlock_pending = 0;
|
|
+ }
|
|
}
|
|
|
|
/* get an extra ref on lock. if we are just switching
|
|
@@ -244,6 +248,17 @@ leave:
|
|
spin_unlock(&res->spinlock);
|
|
wake_up(&res->wq);
|
|
|
|
+ if (recovery_wait) {
|
|
+ spin_lock(&res->spinlock);
|
|
+ /* Unlock request will directly succeed after owner dies,
|
|
+ * and the lock is already removed from grant list. We have to
|
|
+ * wait for RECOVERING done or we miss the chance to purge it
|
|
+ * since the removement is much faster than RECOVERING proc.
|
|
+ */
|
|
+ __dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_RECOVERING);
|
|
+ spin_unlock(&res->spinlock);
|
|
+ }
|
|
+
|
|
/* let the caller's final dlm_lock_put handle the actual kfree */
|
|
if (actions & DLM_UNLOCK_FREE_LOCK) {
|
|
/* this should always be coupled with list removal */
|
|
diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
|
|
index 56710e03101c..1fcf14aee28a 100644
|
|
--- a/include/scsi/scsi_dbg.h
|
|
+++ b/include/scsi/scsi_dbg.h
|
|
@@ -5,8 +5,6 @@ struct scsi_cmnd;
|
|
struct scsi_device;
|
|
struct scsi_sense_hdr;
|
|
|
|
-#define SCSI_LOG_BUFSIZE 128
|
|
-
|
|
extern void scsi_print_command(struct scsi_cmnd *);
|
|
extern size_t __scsi_format_command(char *, size_t,
|
|
const unsigned char *, size_t);
|
|
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
|
|
index 4f561860bf41..bc5ff3a53d4a 100644
|
|
--- a/lib/Kconfig.debug
|
|
+++ b/lib/Kconfig.debug
|
|
@@ -535,7 +535,7 @@ config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
|
|
int "Maximum kmemleak early log entries"
|
|
depends on DEBUG_KMEMLEAK
|
|
range 200 40000
|
|
- default 400
|
|
+ default 16000
|
|
help
|
|
Kmemleak must track all the memory allocations to avoid
|
|
reporting false positives. Since memory may be allocated or
|
|
diff --git a/net/core/sock.c b/net/core/sock.c
|
|
index 3041aa6df602..d22493351407 100644
|
|
--- a/net/core/sock.c
|
|
+++ b/net/core/sock.c
|
|
@@ -1426,8 +1426,6 @@ static void __sk_destruct(struct rcu_head *head)
|
|
sk_filter_uncharge(sk, filter);
|
|
RCU_INIT_POINTER(sk->sk_filter, NULL);
|
|
}
|
|
- if (rcu_access_pointer(sk->sk_reuseport_cb))
|
|
- reuseport_detach_sock(sk);
|
|
|
|
sock_disable_timestamp(sk, SK_FLAGS_TIMESTAMP);
|
|
|
|
@@ -1450,7 +1448,14 @@ static void __sk_destruct(struct rcu_head *head)
|
|
|
|
void sk_destruct(struct sock *sk)
|
|
{
|
|
- if (sock_flag(sk, SOCK_RCU_FREE))
|
|
+ bool use_call_rcu = sock_flag(sk, SOCK_RCU_FREE);
|
|
+
|
|
+ if (rcu_access_pointer(sk->sk_reuseport_cb)) {
|
|
+ reuseport_detach_sock(sk);
|
|
+ use_call_rcu = true;
|
|
+ }
|
|
+
|
|
+ if (use_call_rcu)
|
|
call_rcu(&sk->sk_rcu, __sk_destruct);
|
|
else
|
|
__sk_destruct(&sk->sk_rcu);
|
|
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
|
|
index d558dc076577..d1a302d321fa 100644
|
|
--- a/net/ipv4/route.c
|
|
+++ b/net/ipv4/route.c
|
|
@@ -903,16 +903,15 @@ void ip_rt_send_redirect(struct sk_buff *skb)
|
|
if (peer->rate_tokens == 0 ||
|
|
time_after(jiffies,
|
|
(peer->rate_last +
|
|
- (ip_rt_redirect_load << peer->rate_tokens)))) {
|
|
+ (ip_rt_redirect_load << peer->n_redirects)))) {
|
|
__be32 gw = rt_nexthop(rt, ip_hdr(skb)->daddr);
|
|
|
|
icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, gw);
|
|
peer->rate_last = jiffies;
|
|
- ++peer->rate_tokens;
|
|
++peer->n_redirects;
|
|
#ifdef CONFIG_IP_ROUTE_VERBOSE
|
|
if (log_martians &&
|
|
- peer->rate_tokens == ip_rt_redirect_number)
|
|
+ peer->n_redirects == ip_rt_redirect_number)
|
|
net_warn_ratelimited("host %pI4/if%d ignores redirects for %pI4 to %pI4\n",
|
|
&ip_hdr(skb)->saddr, inet_iif(skb),
|
|
&ip_hdr(skb)->daddr, &gw);
|
|
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
|
|
index 4ce7f9195151..6b1310d5e808 100644
|
|
--- a/net/ipv6/addrconf.c
|
|
+++ b/net/ipv6/addrconf.c
|
|
@@ -5443,13 +5443,20 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
|
|
switch (event) {
|
|
case RTM_NEWADDR:
|
|
/*
|
|
- * If the address was optimistic
|
|
- * we inserted the route at the start of
|
|
- * our DAD process, so we don't need
|
|
- * to do it again
|
|
+ * If the address was optimistic we inserted the route at the
|
|
+ * start of our DAD process, so we don't need to do it again.
|
|
+ * If the device was taken down in the middle of the DAD
|
|
+ * cycle there is a race where we could get here without a
|
|
+ * host route, so nothing to insert. That will be fixed when
|
|
+ * the device is brought up.
|
|
*/
|
|
- if (!rcu_access_pointer(ifp->rt->rt6i_node))
|
|
+ if (ifp->rt && !rcu_access_pointer(ifp->rt->rt6i_node)) {
|
|
ip6_ins_rt(ifp->rt);
|
|
+ } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) {
|
|
+ pr_warn("BUG: Address %pI6c on device %s is missing its host route.\n",
|
|
+ &ifp->addr, ifp->idev->dev->name);
|
|
+ }
|
|
+
|
|
if (ifp->idev->cnf.forwarding)
|
|
addrconf_join_anycast(ifp);
|
|
if (!ipv6_addr_any(&ifp->peer_addr))
|
|
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
|
|
index aacfb4bce153..e726a61ae6dc 100644
|
|
--- a/net/ipv6/ip6_input.c
|
|
+++ b/net/ipv6/ip6_input.c
|
|
@@ -168,6 +168,16 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
|
|
if (ipv6_addr_is_multicast(&hdr->saddr))
|
|
goto err;
|
|
|
|
+ /* While RFC4291 is not explicit about v4mapped addresses
|
|
+ * in IPv6 headers, it seems clear linux dual-stack
|
|
+ * model can not deal properly with these.
|
|
+ * Security models could be fooled by ::ffff:127.0.0.1 for example.
|
|
+ *
|
|
+ * https://tools.ietf.org/html/draft-itojun-v6ops-v4mapped-harmful-02
|
|
+ */
|
|
+ if (ipv6_addr_v4mapped(&hdr->saddr))
|
|
+ goto err;
|
|
+
|
|
skb->transport_header = skb->network_header + sizeof(*hdr);
|
|
IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
|
|
|
|
diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
|
|
index 22d5a80a8f34..dd59fde1dac8 100644
|
|
--- a/net/nfc/llcp_sock.c
|
|
+++ b/net/nfc/llcp_sock.c
|
|
@@ -118,9 +118,14 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
|
|
llcp_sock->service_name = kmemdup(llcp_addr.service_name,
|
|
llcp_sock->service_name_len,
|
|
GFP_KERNEL);
|
|
-
|
|
+ if (!llcp_sock->service_name) {
|
|
+ ret = -ENOMEM;
|
|
+ goto put_dev;
|
|
+ }
|
|
llcp_sock->ssap = nfc_llcp_get_sdp_ssap(local, llcp_sock);
|
|
if (llcp_sock->ssap == LLCP_SAP_MAX) {
|
|
+ kfree(llcp_sock->service_name);
|
|
+ llcp_sock->service_name = NULL;
|
|
ret = -EADDRINUSE;
|
|
goto put_dev;
|
|
}
|
|
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
|
|
index dbf74afe82fb..ad878302924f 100644
|
|
--- a/net/nfc/netlink.c
|
|
+++ b/net/nfc/netlink.c
|
|
@@ -973,7 +973,8 @@ static int nfc_genl_dep_link_down(struct sk_buff *skb, struct genl_info *info)
|
|
int rc;
|
|
u32 idx;
|
|
|
|
- if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
|
|
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
|
|
+ !info->attrs[NFC_ATTR_TARGET_INDEX])
|
|
return -EINVAL;
|
|
|
|
idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
|
|
@@ -1022,7 +1023,8 @@ static int nfc_genl_llc_get_params(struct sk_buff *skb, struct genl_info *info)
|
|
struct sk_buff *msg = NULL;
|
|
u32 idx;
|
|
|
|
- if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
|
|
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
|
|
+ !info->attrs[NFC_ATTR_FIRMWARE_NAME])
|
|
return -EINVAL;
|
|
|
|
idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
|
|
diff --git a/net/rds/ib.c b/net/rds/ib.c
|
|
index 0efb3d2b338d..a118686cc1ec 100644
|
|
--- a/net/rds/ib.c
|
|
+++ b/net/rds/ib.c
|
|
@@ -138,6 +138,9 @@ static void rds_ib_add_one(struct ib_device *device)
|
|
atomic_set(&rds_ibdev->refcount, 1);
|
|
INIT_WORK(&rds_ibdev->free_work, rds_ib_dev_free);
|
|
|
|
+ INIT_LIST_HEAD(&rds_ibdev->ipaddr_list);
|
|
+ INIT_LIST_HEAD(&rds_ibdev->conn_list);
|
|
+
|
|
rds_ibdev->max_wrs = device->attrs.max_qp_wr;
|
|
rds_ibdev->max_sge = min(device->attrs.max_sge, RDS_IB_MAX_SGE);
|
|
|
|
@@ -189,9 +192,6 @@ static void rds_ib_add_one(struct ib_device *device)
|
|
device->name,
|
|
rds_ibdev->use_fastreg ? "FRMR" : "FMR");
|
|
|
|
- INIT_LIST_HEAD(&rds_ibdev->ipaddr_list);
|
|
- INIT_LIST_HEAD(&rds_ibdev->conn_list);
|
|
-
|
|
down_write(&rds_ib_devices_lock);
|
|
list_add_tail_rcu(&rds_ibdev->list, &rds_ib_devices);
|
|
up_write(&rds_ib_devices_lock);
|
|
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
|
|
index beb554aa8cfb..7a434a5c43fe 100644
|
|
--- a/net/sched/sch_cbq.c
|
|
+++ b/net/sched/sch_cbq.c
|
|
@@ -1129,6 +1129,26 @@ static const struct nla_policy cbq_policy[TCA_CBQ_MAX + 1] = {
|
|
[TCA_CBQ_POLICE] = { .len = sizeof(struct tc_cbq_police) },
|
|
};
|
|
|
|
+static int cbq_opt_parse(struct nlattr *tb[TCA_CBQ_MAX + 1], struct nlattr *opt)
|
|
+{
|
|
+ int err;
|
|
+
|
|
+ if (!opt)
|
|
+ return -EINVAL;
|
|
+
|
|
+ err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy);
|
|
+ if (err < 0)
|
|
+ return err;
|
|
+
|
|
+ if (tb[TCA_CBQ_WRROPT]) {
|
|
+ const struct tc_cbq_wrropt *wrr = nla_data(tb[TCA_CBQ_WRROPT]);
|
|
+
|
|
+ if (wrr->priority > TC_CBQ_MAXPRIO)
|
|
+ err = -EINVAL;
|
|
+ }
|
|
+ return err;
|
|
+}
|
|
+
|
|
static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
|
|
{
|
|
struct cbq_sched_data *q = qdisc_priv(sch);
|
|
@@ -1136,7 +1156,7 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
|
|
struct tc_ratespec *r;
|
|
int err;
|
|
|
|
- err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy);
|
|
+ err = cbq_opt_parse(tb, opt);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
@@ -1468,10 +1488,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
|
|
struct cbq_class *parent;
|
|
struct qdisc_rate_table *rtab = NULL;
|
|
|
|
- if (opt == NULL)
|
|
- return -EINVAL;
|
|
-
|
|
- err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy);
|
|
+ err = cbq_opt_parse(tb, opt);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
|
|
index b56d57984439..551cf193649e 100644
|
|
--- a/net/sched/sch_dsmark.c
|
|
+++ b/net/sched/sch_dsmark.c
|
|
@@ -346,6 +346,8 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
|
|
goto errout;
|
|
|
|
err = -EINVAL;
|
|
+ if (!tb[TCA_DSMARK_INDICES])
|
|
+ goto errout;
|
|
indices = nla_get_u16(tb[TCA_DSMARK_INDICES]);
|
|
|
|
if (hweight32(indices) != 1)
|
|
diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
|
|
index 23e5808a0970..e5d5c7fb2dac 100644
|
|
--- a/security/smack/smack_access.c
|
|
+++ b/security/smack/smack_access.c
|
|
@@ -474,7 +474,7 @@ char *smk_parse_smack(const char *string, int len)
|
|
if (i == 0 || i >= SMK_LONGLABEL)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
- smack = kzalloc(i + 1, GFP_KERNEL);
|
|
+ smack = kzalloc(i + 1, GFP_NOFS);
|
|
if (smack == NULL)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
@@ -545,7 +545,7 @@ struct smack_known *smk_import_entry(const char *string, int len)
|
|
if (skp != NULL)
|
|
goto freeout;
|
|
|
|
- skp = kzalloc(sizeof(*skp), GFP_KERNEL);
|
|
+ skp = kzalloc(sizeof(*skp), GFP_NOFS);
|
|
if (skp == NULL) {
|
|
skp = ERR_PTR(-ENOMEM);
|
|
goto freeout;
|
|
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
|
|
index aeb3ba70f907..589c1c2ae6db 100644
|
|
--- a/security/smack/smack_lsm.c
|
|
+++ b/security/smack/smack_lsm.c
|
|
@@ -268,7 +268,7 @@ static struct smack_known *smk_fetch(const char *name, struct inode *ip,
|
|
if (!(ip->i_opflags & IOP_XATTR))
|
|
return ERR_PTR(-EOPNOTSUPP);
|
|
|
|
- buffer = kzalloc(SMK_LONGLABEL, GFP_KERNEL);
|
|
+ buffer = kzalloc(SMK_LONGLABEL, GFP_NOFS);
|
|
if (buffer == NULL)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
@@ -949,7 +949,8 @@ static int smack_bprm_set_creds(struct linux_binprm *bprm)
|
|
|
|
if (rc != 0)
|
|
return rc;
|
|
- } else if (bprm->unsafe)
|
|
+ }
|
|
+ if (bprm->unsafe & ~LSM_UNSAFE_PTRACE)
|
|
return -EPERM;
|
|
|
|
bsp->smk_task = isp->smk_task;
|
|
@@ -4037,6 +4038,8 @@ access_check:
|
|
skp = smack_ipv6host_label(&sadd);
|
|
if (skp == NULL)
|
|
skp = smack_net_ambient;
|
|
+ if (skb == NULL)
|
|
+ break;
|
|
#ifdef CONFIG_AUDIT
|
|
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
|
|
ad.a.u.net->family = family;
|