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Open Source and information security mailing list archives
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Date: Sat, 22 Feb 2014 14:03:46 -0800
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 3.12.13
diff --git a/Makefile b/Makefile
index 563297e159b7..0a89e7d84a2d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 12
-SUBLEVEL = 12
+SUBLEVEL = 13
EXTRAVERSION =
NAME = One Giant Leap for Frogkind
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index b9e25ae2579c..d7c00507568a 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -59,7 +59,7 @@ ENTRY(startup_continue)
.quad 0 # cr12: tracing off
.quad 0 # cr13: home space segment table
.quad 0xc0000000 # cr14: machine check handling off
- .quad 0 # cr15: linkage stack operations
+ .quad .Llinkage_stack # cr15: linkage stack operations
.Lpcmsk:.quad 0x0000000180000000
.L4malign:.quad 0xffffffffffc00000
.Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8
@@ -67,12 +67,15 @@ ENTRY(startup_continue)
.Lparmaddr:
.quad PARMAREA
.align 64
-.Lduct: .long 0,0,0,0,.Lduald,0,0,0
+.Lduct: .long 0,.Laste,.Laste,0,.Lduald,0,0,0
.long 0,0,0,0,0,0,0,0
+.Laste: .quad 0,0xffffffffffffffff,0,0,0,0,0,0
.align 128
.Lduald:.rept 8
.long 0x80000000,0,0,0 # invalid access-list entries
.endr
+.Llinkage_stack:
+ .long 0,0,0x89000000,0,0,0,0x8a000000,0
ENTRY(_ehead)
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c
index a90d45e9dfb0..27c50f4d90cb 100644
--- a/arch/s390/mm/page-states.c
+++ b/arch/s390/mm/page-states.c
@@ -12,6 +12,8 @@
#include <linux/mm.h>
#include <linux/gfp.h>
#include <linux/init.h>
+#include <asm/setup.h>
+#include <asm/ipl.h>
#define ESSA_SET_STABLE 1
#define ESSA_SET_UNUSED 2
@@ -41,6 +43,14 @@ void __init cmma_init(void)
if (!cmma_flag)
return;
+ /*
+ * Disable CMM for dump, otherwise the tprot based memory
+ * detection can fail because of unstable pages.
+ */
+ if (OLDMEM_BASE || ipl_info.type == IPL_TYPE_FCP_DUMP) {
+ cmma_flag = 0;
+ return;
+ }
asm volatile(
" .insn rrf,0xb9ab0000,%1,%1,0,0\n"
"0: la %0,0\n"
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index bbc8b12fa443..5ad38ad07890 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -445,10 +445,20 @@ static inline int pte_same(pte_t a, pte_t b)
return a.pte == b.pte;
}
+static inline int pteval_present(pteval_t pteval)
+{
+ /*
+ * Yes Linus, _PAGE_PROTNONE == _PAGE_NUMA. Expressing it this
+ * way clearly states that the intent is that protnone and numa
+ * hinting ptes are considered present for the purposes of
+ * pagetable operations like zapping, protection changes, gup etc.
+ */
+ return pteval & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_NUMA);
+}
+
static inline int pte_present(pte_t a)
{
- return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE |
- _PAGE_NUMA);
+ return pteval_present(pte_flags(a));
}
#define pte_accessible pte_accessible
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 2793d1f095a2..3533e2c082a3 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -284,8 +284,13 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c)
raw_local_save_flags(eflags);
BUG_ON(eflags & X86_EFLAGS_AC);
- if (cpu_has(c, X86_FEATURE_SMAP))
+ if (cpu_has(c, X86_FEATURE_SMAP)) {
+#ifdef CONFIG_X86_SMAP
set_in_cr4(X86_CR4_SMAP);
+#else
+ clear_in_cr4(X86_CR4_SMAP);
+#endif
+ }
}
/*
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index d4bdd253fea7..e6253195a301 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -77,8 +77,7 @@ within(unsigned long addr, unsigned long start, unsigned long end)
return addr >= start && addr < end;
}
-static int
-do_ftrace_mod_code(unsigned long ip, const void *new_code)
+static unsigned long text_ip_addr(unsigned long ip)
{
/*
* On x86_64, kernel text mappings are mapped read-only with
@@ -91,7 +90,7 @@ do_ftrace_mod_code(unsigned long ip, const void *new_code)
if (within(ip, (unsigned long)_text, (unsigned long)_etext))
ip = (unsigned long)__va(__pa_symbol(ip));
- return probe_kernel_write((void *)ip, new_code, MCOUNT_INSN_SIZE);
+ return ip;
}
static const unsigned char *ftrace_nop_replace(void)
@@ -123,8 +122,10 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code,
if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0)
return -EINVAL;
+ ip = text_ip_addr(ip);
+
/* replace the text with the new text */
- if (do_ftrace_mod_code(ip, new_code))
+ if (probe_kernel_write((void *)ip, new_code, MCOUNT_INSN_SIZE))
return -EPERM;
sync_core();
@@ -221,37 +222,51 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
return -EINVAL;
}
-int ftrace_update_ftrace_func(ftrace_func_t func)
+static unsigned long ftrace_update_func;
+
+static int update_ftrace_func(unsigned long ip, void *new)
{
- unsigned long ip = (unsigned long)(&ftrace_call);
- unsigned char old[MCOUNT_INSN_SIZE], *new;
+ unsigned char old[MCOUNT_INSN_SIZE];
int ret;
- memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE);
- new = ftrace_call_replace(ip, (unsigned long)func);
+ memcpy(old, (void *)ip, MCOUNT_INSN_SIZE);
+
+ ftrace_update_func = ip;
+ /* Make sure the breakpoints see the ftrace_update_func update */
+ smp_wmb();
/* See comment above by declaration of modifying_ftrace_code */
atomic_inc(&modifying_ftrace_code);
ret = ftrace_modify_code(ip, old, new);
+ atomic_dec(&modifying_ftrace_code);
+
+ return ret;
+}
+
+int ftrace_update_ftrace_func(ftrace_func_t func)
+{
+ unsigned long ip = (unsigned long)(&ftrace_call);
+ unsigned char *new;
+ int ret;
+
+ new = ftrace_call_replace(ip, (unsigned long)func);
+ ret = update_ftrace_func(ip, new);
+
/* Also update the regs callback function */
if (!ret) {
ip = (unsigned long)(&ftrace_regs_call);
- memcpy(old, &ftrace_regs_call, MCOUNT_INSN_SIZE);
new = ftrace_call_replace(ip, (unsigned long)func);
- ret = ftrace_modify_code(ip, old, new);
+ ret = update_ftrace_func(ip, new);
}
- atomic_dec(&modifying_ftrace_code);
-
return ret;
}
static int is_ftrace_caller(unsigned long ip)
{
- if (ip == (unsigned long)(&ftrace_call) ||
- ip == (unsigned long)(&ftrace_regs_call))
+ if (ip == ftrace_update_func)
return 1;
return 0;
@@ -677,45 +692,41 @@ int __init ftrace_dyn_arch_init(void *data)
#ifdef CONFIG_DYNAMIC_FTRACE
extern void ftrace_graph_call(void);
-static int ftrace_mod_jmp(unsigned long ip,
- int old_offset, int new_offset)
+static unsigned char *ftrace_jmp_replace(unsigned long ip, unsigned long addr)
{
- unsigned char code[MCOUNT_INSN_SIZE];
+ static union ftrace_code_union calc;
- if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE))
- return -EFAULT;
+ /* Jmp not a call (ignore the .e8) */
+ calc.e8 = 0xe9;
+ calc.offset = ftrace_calc_offset(ip + MCOUNT_INSN_SIZE, addr);
- if (code[0] != 0xe9 || old_offset != *(int *)(&code[1]))
- return -EINVAL;
+ /*
+ * ftrace external locks synchronize the access to the static variable.
+ */
+ return calc.code;
+}
- *(int *)(&code[1]) = new_offset;
+static int ftrace_mod_jmp(unsigned long ip, void *func)
+{
+ unsigned char *new;
- if (do_ftrace_mod_code(ip, &code))
- return -EPERM;
+ new = ftrace_jmp_replace(ip, (unsigned long)func);
- return 0;
+ return update_ftrace_func(ip, new);
}
int ftrace_enable_ftrace_graph_caller(void)
{
unsigned long ip = (unsigned long)(&ftrace_graph_call);
- int old_offset, new_offset;
- old_offset = (unsigned long)(&ftrace_stub) - (ip + MCOUNT_INSN_SIZE);
- new_offset = (unsigned long)(&ftrace_graph_caller) - (ip + MCOUNT_INSN_SIZE);
-
- return ftrace_mod_jmp(ip, old_offset, new_offset);
+ return ftrace_mod_jmp(ip, &ftrace_graph_caller);
}
int ftrace_disable_ftrace_graph_caller(void)
{
unsigned long ip = (unsigned long)(&ftrace_graph_call);
- int old_offset, new_offset;
-
- old_offset = (unsigned long)(&ftrace_graph_caller) - (ip + MCOUNT_INSN_SIZE);
- new_offset = (unsigned long)(&ftrace_stub) - (ip + MCOUNT_INSN_SIZE);
- return ftrace_mod_jmp(ip, old_offset, new_offset);
+ return ftrace_mod_jmp(ip, &ftrace_stub);
}
#endif /* !CONFIG_DYNAMIC_FTRACE */
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 3aaeffcfd67a..d8b1ff68dbb9 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -980,6 +980,12 @@ static int fault_in_kernel_space(unsigned long address)
static inline bool smap_violation(int error_code, struct pt_regs *regs)
{
+ if (!IS_ENABLED(CONFIG_X86_SMAP))
+ return false;
+
+ if (!static_cpu_has(X86_FEATURE_SMAP))
+ return false;
+
if (error_code & PF_USER)
return false;
@@ -1081,11 +1087,9 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- if (static_cpu_has(X86_FEATURE_SMAP)) {
- if (unlikely(smap_violation(error_code, regs))) {
- bad_area_nosemaphore(regs, error_code, address);
- return;
- }
+ if (unlikely(smap_violation(error_code, regs))) {
+ bad_area_nosemaphore(regs, error_code, address);
+ return;
}
perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index fdc3ba28ca38..d5af43af64dc 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -365,7 +365,7 @@ void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
/* Assume pteval_t is equivalent to all the other *val_t types. */
static pteval_t pte_mfn_to_pfn(pteval_t val)
{
- if (val & _PAGE_PRESENT) {
+ if (pteval_present(val)) {
unsigned long mfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT;
unsigned long pfn = mfn_to_pfn(mfn);
@@ -381,7 +381,7 @@ static pteval_t pte_mfn_to_pfn(pteval_t val)
static pteval_t pte_pfn_to_mfn(pteval_t val)
{
- if (val & _PAGE_PRESENT) {
+ if (pteval_present(val)) {
unsigned long pfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT;
pteval_t flags = val & PTE_FLAGS_MASK;
unsigned long mfn;
diff --git a/block/blk-lib.c b/block/blk-lib.c
index d6f50d572565..9a32f5868fb9 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -121,6 +121,14 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
atomic_inc(&bb.done);
submit_bio(type, bio);
+
+ /*
+ * We can loop for a long time in here, if someone does
+ * full device discards (like mkfs). Be nice and allow
+ * us to schedule out to avoid softlocking if preempt
+ * is disabled.
+ */
+ cond_resched();
}
blk_finish_plug(&plug);
diff --git a/block/blk.h b/block/blk.h
index e837b8f619b7..b3bdeb36f361 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -96,7 +96,7 @@ static inline struct request *__elv_next_request(struct request_queue *q)
q->flush_queue_delayed = 1;
return NULL;
}
- if (unlikely(blk_queue_dying(q)) ||
+ if (unlikely(blk_queue_bypass(q)) ||
!q->elevator->type->ops.elevator_dispatch_fn(q, 0))
return NULL;
}
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index ed88b3c2e8ea..e85bc358e052 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1852,13 +1852,16 @@ static void blkback_changed(struct xenbus_device *dev,
case XenbusStateReconfiguring:
case XenbusStateReconfigured:
case XenbusStateUnknown:
- case XenbusStateClosed:
break;
case XenbusStateConnected:
blkfront_connect(info);
break;
+ case XenbusStateClosed:
+ if (dev->state == XenbusStateClosed)
+ break;
+ /* Missed the backend's Closing state -- fallthrough */
case XenbusStateClosing:
blkfront_closing(info);
break;
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index f3223aac4df1..6e8d65e9b1d3 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -190,7 +190,7 @@ static int bind_get(int number, dev_t *dev)
struct raw_device_data *rawdev;
struct block_device *bdev;
- if (number <= 0 || number >= MAX_RAW_MINORS)
+ if (number <= 0 || number >= max_raw_minors)
return -EINVAL;
rawdev = &raw_devices[number];
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 89e109022d78..a9d98cdd11f4 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -559,7 +559,8 @@ static void edac_mc_workq_function(struct work_struct *work_req)
*
* called with the mem_ctls_mutex held
*/
-static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec)
+static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec,
+ bool init)
{
edac_dbg(0, "\n");
@@ -567,7 +568,9 @@ static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec)
if (mci->op_state != OP_RUNNING_POLL)
return;
- INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function);
+ if (init)
+ INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function);
+
mod_delayed_work(edac_workqueue, &mci->work, msecs_to_jiffies(msec));
}
@@ -601,7 +604,7 @@ static void edac_mc_workq_teardown(struct mem_ctl_info *mci)
* user space has updated our poll period value, need to
* reset our workq delays
*/
-void edac_mc_reset_delay_period(int value)
+void edac_mc_reset_delay_period(unsigned long value)
{
struct mem_ctl_info *mci;
struct list_head *item;
@@ -611,7 +614,7 @@ void edac_mc_reset_delay_period(int value)
list_for_each(item, &mc_devices) {
mci = list_entry(item, struct mem_ctl_info, link);
- edac_mc_workq_setup(mci, (unsigned long) value);
+ edac_mc_workq_setup(mci, value, false);
}
mutex_unlock(&mem_ctls_mutex);
@@ -782,7 +785,7 @@ int edac_mc_add_mc(struct mem_ctl_info *mci)
/* This instance is NOW RUNNING */
mci->op_state = OP_RUNNING_POLL;
- edac_mc_workq_setup(mci, edac_mc_get_poll_msec());
+ edac_mc_workq_setup(mci, edac_mc_get_poll_msec(), true);
} else {
mci->op_state = OP_RUNNING_INTERRUPT;
}
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 9f7e0e609516..e5bdf216effe 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -52,18 +52,20 @@ int edac_mc_get_poll_msec(void)
static int edac_set_poll_msec(const char *val, struct kernel_param *kp)
{
- long l;
+ unsigned long l;
int ret;
if (!val)
return -EINVAL;
- ret = kstrtol(val, 0, &l);
+ ret = kstrtoul(val, 0, &l);
if (ret)
return ret;
- if ((int)l != l)
+
+ if (l < 1000)
return -EINVAL;
- *((int *)kp->arg) = l;
+
+ *((unsigned long *)kp->arg) = l;
/* notify edac_mc engine to reset the poll period */
edac_mc_reset_delay_period(l);
diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h
index 3d139c6e7fe3..f2118bfcf8df 100644
--- a/drivers/edac/edac_module.h
+++ b/drivers/edac/edac_module.h
@@ -52,7 +52,7 @@ extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev);
extern void edac_device_reset_delay_period(struct edac_device_ctl_info
*edac_dev, unsigned long value);
-extern void edac_mc_reset_delay_period(int value);
+extern void edac_mc_reset_delay_period(unsigned long value);
extern void *edac_align_ptr(void **p, unsigned size, int n_elems);
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 354e3e32b30e..eb7af5b430aa 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -146,7 +146,10 @@ static void i915_error_vprintf(struct drm_i915_error_state_buf *e,
va_list tmp;
va_copy(tmp, args);
- if (!__i915_error_seek(e, vsnprintf(NULL, 0, f, tmp)))
+ len = vsnprintf(NULL, 0, f, tmp);
+ va_end(tmp);
+
+ if (!__i915_error_seek(e, len))
return;
}
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 2acbf89cdfd3..67da7e285cde 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -3854,6 +3854,10 @@ restart_ih:
break;
}
break;
+ case 124: /* UVD */
+ DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
+ radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
+ break;
case 176: /* CP_INT in ring buffer */
case 177: /* CP_INT in IB1 */
case 178: /* CP_INT in IB2 */
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 3f39f15d48a6..8277ee01a7b4 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6281,6 +6281,10 @@ restart_ih:
break;
}
break;
+ case 124: /* UVD */
+ DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
+ radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
+ break;
case 146:
case 147:
addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 936093e0271e..13c23a4789de 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -67,7 +67,6 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
int ret = 0;
struct vmbus_channel_initiate_contact *msg;
unsigned long flags;
- int t;
init_completion(&msginfo->waitevent);
@@ -102,15 +101,7 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
}
/* Wait for the connection response */
- t = wait_for_completion_timeout(&msginfo->waitevent, 5*HZ);
- if (t == 0) {
- spin_lock_irqsave(&vmbus_connection.channelmsg_lock,
- flags);
- list_del(&msginfo->msglistentry);
- spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock,
- flags);
- return -ETIMEDOUT;
- }
+ wait_for_completion(&msginfo->waitevent);
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
list_del(&msginfo->msglistentry);
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 8c23203915af..8a17f01e8672 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -145,7 +145,7 @@ struct ntc_data {
static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
{
struct iio_channel *channel = pdata->chan;
- unsigned int result;
+ s64 result;
int val, ret;
ret = iio_read_channel_raw(channel, &val);
@@ -155,10 +155,10 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
}
/* unit: mV */
- result = pdata->pullup_uv * val;
+ result = pdata->pullup_uv * (s64) val;
result >>= 12;
- return result;
+ return (int)result;
}
static const struct of_device_id ntc_match[] = {
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 6f02eb883e5e..564c1c076ea2 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -97,7 +97,6 @@ enum {
enum {
MV64XXX_I2C_ACTION_INVALID,
MV64XXX_I2C_ACTION_CONTINUE,
- MV64XXX_I2C_ACTION_OFFLOAD_SEND_START,
MV64XXX_I2C_ACTION_SEND_START,
MV64XXX_I2C_ACTION_SEND_RESTART,
MV64XXX_I2C_ACTION_OFFLOAD_RESTART,
@@ -204,6 +203,9 @@ static int mv64xxx_i2c_offload_msg(struct mv64xxx_i2c_data *drv_data)
unsigned long ctrl_reg;
struct i2c_msg *msg = drv_data->msgs;
+ if (!drv_data->offload_enabled)
+ return -EOPNOTSUPP;
+
drv_data->msg = msg;
drv_data->byte_posn = 0;
drv_data->bytes_left = msg->len;
@@ -433,8 +435,7 @@ mv64xxx_i2c_do_action(struct mv64xxx_i2c_data *drv_data)
drv_data->msgs++;
drv_data->num_msgs--;
- if (!(drv_data->offload_enabled &&
- mv64xxx_i2c_offload_msg(drv_data))) {
+ if (mv64xxx_i2c_offload_msg(drv_data) < 0) {
drv_data->cntl_bits |= MV64XXX_I2C_REG_CONTROL_START;
writel(drv_data->cntl_bits,
drv_data->reg_base + drv_data->reg_offsets.control);
@@ -458,15 +459,14 @@ mv64xxx_i2c_do_action(struct mv64xxx_i2c_data *drv_data)
drv_data->reg_base + drv_data->reg_offsets.control);
break;
- case MV64XXX_I2C_ACTION_OFFLOAD_SEND_START:
- if (!mv64xxx_i2c_offload_msg(drv_data))
- break;
- else
- drv_data->action = MV64XXX_I2C_ACTION_SEND_START;
- /* FALLTHRU */
case MV64XXX_I2C_ACTION_SEND_START:
- writel(drv_data->cntl_bits | MV64XXX_I2C_REG_CONTROL_START,
- drv_data->reg_base + drv_data->reg_offsets.control);
+ /* Can we offload this msg ? */
+ if (mv64xxx_i2c_offload_msg(drv_data) < 0) {
+ /* No, switch to standard path */
+ mv64xxx_i2c_prepare_for_io(drv_data, drv_data->msgs);
+ writel(drv_data->cntl_bits | MV64XXX_I2C_REG_CONTROL_START,
+ drv_data->reg_base + drv_data->reg_offsets.control);
+ }
break;
case MV64XXX_I2C_ACTION_SEND_ADDR_1:
@@ -625,15 +625,10 @@ mv64xxx_i2c_execute_msg(struct mv64xxx_i2c_data *drv_data, struct i2c_msg *msg,
unsigned long flags;
spin_lock_irqsave(&drv_data->lock, flags);
- if (drv_data->offload_enabled) {
- drv_data->action = MV64XXX_I2C_ACTION_OFFLOAD_SEND_START;
- drv_data->state = MV64XXX_I2C_STATE_WAITING_FOR_START_COND;
- } else {
- mv64xxx_i2c_prepare_for_io(drv_data, msg);
- drv_data->action = MV64XXX_I2C_ACTION_SEND_START;
- drv_data->state = MV64XXX_I2C_STATE_WAITING_FOR_START_COND;
- }
+ drv_data->action = MV64XXX_I2C_ACTION_SEND_START;
+ drv_data->state = MV64XXX_I2C_STATE_WAITING_FOR_START_COND;
+
drv_data->send_stop = is_last;
drv_data->block = 1;
mv64xxx_i2c_do_action(drv_data);
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index 4fb35d1d7494..cfb3d39b6664 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -1527,7 +1527,7 @@ static int max1363_probe(struct i2c_client *client,
st->client = client;
st->vref_uv = st->chip_info->int_vref_mv * 1000;
- vref = devm_regulator_get(&client->dev, "vref");
+ vref = devm_regulator_get_optional(&client->dev, "vref");
if (!IS_ERR(vref)) {
int vref_uv;
diff --git a/drivers/iio/imu/adis16400.h b/drivers/iio/imu/adis16400.h
index 2f8f9d632386..0916bf6b6c31 100644
--- a/drivers/iio/imu/adis16400.h
+++ b/drivers/iio/imu/adis16400.h
@@ -189,6 +189,7 @@ enum {
ADIS16300_SCAN_INCLI_X,
ADIS16300_SCAN_INCLI_Y,
ADIS16400_SCAN_ADC,
+ ADIS16400_SCAN_TIMESTAMP,
};
#ifdef CONFIG_IIO_BUFFER
diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index 368660dfe135..7c582f7ae34e 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -632,7 +632,7 @@ static const struct iio_chan_spec adis16400_channels[] = {
ADIS16400_MAGN_CHAN(Z, ADIS16400_ZMAGN_OUT, 14),
ADIS16400_TEMP_CHAN(ADIS16400_TEMP_OUT, 12),
ADIS16400_AUX_ADC_CHAN(ADIS16400_AUX_ADC, 12),
- IIO_CHAN_SOFT_TIMESTAMP(12)
+ IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP),
};
static const struct iio_chan_spec adis16448_channels[] = {
@@ -659,7 +659,7 @@ static const struct iio_chan_spec adis16448_channels[] = {
},
},
ADIS16400_TEMP_CHAN(ADIS16448_TEMP_OUT, 12),
- IIO_CHAN_SOFT_TIMESTAMP(11)
+ IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP),
};
static const struct iio_chan_spec adis16350_channels[] = {
@@ -677,7 +677,7 @@ static const struct iio_chan_spec adis16350_channels[] = {
ADIS16400_MOD_TEMP_CHAN(X, ADIS16350_XTEMP_OUT, 12),
ADIS16400_MOD_TEMP_CHAN(Y, ADIS16350_YTEMP_OUT, 12),
ADIS16400_MOD_TEMP_CHAN(Z, ADIS16350_ZTEMP_OUT, 12),
- IIO_CHAN_SOFT_TIMESTAMP(11)
+ IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP),
};
static const struct iio_chan_spec adis16300_channels[] = {
@@ -690,7 +690,7 @@ static const struct iio_chan_spec adis16300_channels[] = {
ADIS16400_AUX_ADC_CHAN(ADIS16300_AUX_ADC, 12),
ADIS16400_INCLI_CHAN(X, ADIS16300_PITCH_OUT, 13),
ADIS16400_INCLI_CHAN(Y, ADIS16300_ROLL_OUT, 13),
- IIO_CHAN_SOFT_TIMESTAMP(14)
+ IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP),
};
static const struct iio_chan_spec adis16334_channels[] = {
@@ -701,7 +701,7 @@ static const struct iio_chan_spec adis16334_channels[] = {
ADIS16400_ACCEL_CHAN(Y, ADIS16400_YACCL_OUT, 14),
ADIS16400_ACCEL_CHAN(Z, ADIS16400_ZACCL_OUT, 14),
ADIS16400_TEMP_CHAN(ADIS16350_XTEMP_OUT, 12),
- IIO_CHAN_SOFT_TIMESTAMP(8)
+ IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP),
};
static struct attribute *adis16400_attributes[] = {
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 7105f22d6cd7..9edf4c935fd7 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -85,6 +85,7 @@
#define AK8975_MAX_CONVERSION_TIMEOUT 500
#define AK8975_CONVERSION_DONE_POLL_TIME 10
#define AK8975_DATA_READY_TIMEOUT ((100*HZ)/1000)
+#define RAW_TO_GAUSS(asa) ((((asa) + 128) * 3000) / 256)
/*
* Per-instance context data for the device.
@@ -265,15 +266,15 @@ static int ak8975_setup(struct i2c_client *client)
*
* Since 1uT = 100 gauss, our final scale factor becomes:
*
- * Hadj = H * ((ASA + 128) / 256) * 3/10 * 100
- * Hadj = H * ((ASA + 128) * 30 / 256
+ * Hadj = H * ((ASA + 128) / 256) * 3/10 * 1/100
+ * Hadj = H * ((ASA + 128) * 0.003) / 256
*
* Since ASA doesn't change, we cache the resultant scale factor into the
* device context in ak8975_setup().
*/
- data->raw_to_gauss[0] = ((data->asa[0] + 128) * 30) >> 8;
- data->raw_to_gauss[1] = ((data->asa[1] + 128) * 30) >> 8;
- data->raw_to_gauss[2] = ((data->asa[2] + 128) * 30) >> 8;
+ data->raw_to_gauss[0] = RAW_TO_GAUSS(data->asa[0]);
+ data->raw_to_gauss[1] = RAW_TO_GAUSS(data->asa[1]);
+ data->raw_to_gauss[2] = RAW_TO_GAUSS(data->asa[2]);
return 0;
}
@@ -428,8 +429,9 @@ static int ak8975_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_RAW:
return ak8975_read_axis(indio_dev, chan->address, val);
case IIO_CHAN_INFO_SCALE:
- *val = data->raw_to_gauss[chan->address];
- return IIO_VAL_INT;
+ *val = 0;
+ *val2 = data->raw_to_gauss[chan->address];
+ return IIO_VAL_INT_PLUS_MICRO;
}
return -EINVAL;
}
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 5bfc02f450e6..d1bd21319d7d 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -2395,6 +2395,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a);
qib_write_kreg(dd, kr_scratch, 0ULL);
+ /* ensure previous Tx parameters are not still forced */
+ qib_write_kreg_port(ppd, krp_tx_deemph_override,
+ SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+ reset_tx_deemphasis_override));
+
if (qib_compat_ddr_negotiate) {
ppd->cpspec->ibdeltainprog = 1;
ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd,
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index aacf6bf352d8..6edc2db428e9 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1855,11 +1855,15 @@ static int process_checks(struct r1bio *r1_bio)
for (i = 0; i < conf->raid_disks * 2; i++) {
int j;
int size;
+ int uptodate;
struct bio *b = r1_bio->bios[i];
if (b->bi_end_io != end_sync_read)
continue;
- /* fixup the bio for reuse */
+ /* fixup the bio for reuse, but preserve BIO_UPTODATE */
+ uptodate = test_bit(BIO_UPTODATE, &b->bi_flags);
bio_reset(b);
+ if (!uptodate)
+ clear_bit(BIO_UPTODATE, &b->bi_flags);
b->bi_vcnt = vcnt;
b->bi_size = r1_bio->sectors << 9;
b->bi_sector = r1_bio->sector +
@@ -1892,11 +1896,14 @@ static int process_checks(struct r1bio *r1_bio)
int j;
struct bio *pbio = r1_bio->bios[primary];
struct bio *sbio = r1_bio->bios[i];
+ int uptodate = test_bit(BIO_UPTODATE, &sbio->bi_flags);
if (sbio->bi_end_io != end_sync_read)
continue;
+ /* Now we can 'fixup' the BIO_UPTODATE flag */
+ set_bit(BIO_UPTODATE, &sbio->bi_flags);
- if (test_bit(BIO_UPTODATE, &sbio->bi_flags)) {
+ if (uptodate) {
for (j = vcnt; j-- ; ) {
struct page *p, *s;
p = pbio->bi_io_vec[j].bv_page;
@@ -1911,7 +1918,7 @@ static int process_checks(struct r1bio *r1_bio)
if (j >= 0)
atomic64_add(r1_bio->sectors, &mddev->resync_mismatches);
if (j < 0 || (test_bit(MD_RECOVERY_CHECK, &mddev->recovery)
- && test_bit(BIO_UPTODATE, &sbio->bi_flags))) {
+ && uptodate)) {
/* No need to write to this device. */
sbio->bi_end_io = NULL;
rdev_dec_pending(conf->mirrors[i].rdev, mddev);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 10e9e46108fd..3ecfb063ec0b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5351,23 +5351,43 @@ raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks)
return sectors * (raid_disks - conf->max_degraded);
}
+static void free_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu)
+{
+ safe_put_page(percpu->spare_page);
+ kfree(percpu->scribble);
+ percpu->spare_page = NULL;
+ percpu->scribble = NULL;
+}
+
+static int alloc_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu)
+{
+ if (conf->level == 6 && !percpu->spare_page)
+ percpu->spare_page = alloc_page(GFP_KERNEL);
+ if (!percpu->scribble)
+ percpu->scribble = kmalloc(conf->scribble_len, GFP_KERNEL);
+
+ if (!percpu->scribble || (conf->level == 6 && !percpu->spare_page)) {
+ free_scratch_buffer(conf, percpu);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
static void raid5_free_percpu(struct r5conf *conf)
{
- struct raid5_percpu *percpu;
unsigned long cpu;
if (!conf->percpu)
return;
- get_online_cpus();
- for_each_possible_cpu(cpu) {
- percpu = per_cpu_ptr(conf->percpu, cpu);
- safe_put_page(percpu->spare_page);
- kfree(percpu->scribble);
- }
#ifdef CONFIG_HOTPLUG_CPU
unregister_cpu_notifier(&conf->cpu_notify);
#endif
+
+ get_online_cpus();
+ for_each_possible_cpu(cpu)
+ free_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu));
put_online_cpus();
free_percpu(conf->percpu);
@@ -5394,15 +5414,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action,
switch (action) {
case CPU_UP_PREPARE:
case CPU_UP_PREPARE_FROZEN:
- if (conf->level == 6 && !percpu->spare_page)
- percpu->spare_page = alloc_page(GFP_KERNEL);
- if (!percpu->scribble)
- percpu->scribble = kmalloc(conf->scribble_len, GFP_KERNEL);
-
- if (!percpu->scribble ||
- (conf->level == 6 && !percpu->spare_page)) {
- safe_put_page(percpu->spare_page);
- kfree(percpu->scribble);
+ if (alloc_scratch_buffer(conf, percpu)) {
pr_err("%s: failed memory allocation for cpu%ld\n",
__func__, cpu);
return notifier_from_errno(-ENOMEM);
@@ -5410,10 +5422,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action,
break;
case CPU_DEAD:
case CPU_DEAD_FROZEN:
- safe_put_page(percpu->spare_page);
- kfree(percpu->scribble);
- percpu->spare_page = NULL;
- percpu->scribble = NULL;
+ free_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu));
break;
default:
break;
@@ -5425,40 +5434,29 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action,
static int raid5_alloc_percpu(struct r5conf *conf)
{
unsigned long cpu;
- struct page *spare_page;
- struct raid5_percpu __percpu *allcpus;
- void *scribble;
- int err;
+ int err = 0;
- allcpus = alloc_percpu(struct raid5_percpu);
- if (!allcpus)
+ conf->percpu = alloc_percpu(struct raid5_percpu);
+ if (!conf->percpu)
return -ENOMEM;
- conf->percpu = allcpus;
+
+#ifdef CONFIG_HOTPLUG_CPU
+ conf->cpu_notify.notifier_call = raid456_cpu_notify;
+ conf->cpu_notify.priority = 0;
+ err = register_cpu_notifier(&conf->cpu_notify);
+ if (err)
+ return err;
+#endif
get_online_cpus();
- err = 0;
for_each_present_cpu(cpu) {
- if (conf->level == 6) {
- spare_page = alloc_page(GFP_KERNEL);
- if (!spare_page) {
- err = -ENOMEM;
- break;
- }
- per_cpu_ptr(conf->percpu, cpu)->spare_page = spare_page;
- }
- scribble = kmalloc(conf->scribble_len, GFP_KERNEL);
- if (!scribble) {
- err = -ENOMEM;
+ err = alloc_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu));
+ if (err) {
+ pr_err("%s: failed memory allocation for cpu%ld\n",
+ __func__, cpu);
break;
}
- per_cpu_ptr(conf->percpu, cpu)->scribble = scribble;
}
-#ifdef CONFIG_HOTPLUG_CPU
- conf->cpu_notify.notifier_call = raid456_cpu_notify;
- conf->cpu_notify.priority = 0;
- if (err == 0)
- err = register_cpu_notifier(&conf->cpu_notify);
-#endif
put_online_cpus();
return err;
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index e0684b4d9a08..8c33f943abbf 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -882,7 +882,6 @@ void mei_cl_all_disconnect(struct mei_device *dev)
list_for_each_entry_safe(cl, next, &dev->file_list, link) {
cl->state = MEI_FILE_DISCONNECTED;
cl->mei_flow_ctrl_creds = 0;
- cl->read_cb = NULL;
cl->timer_count = 0;
}
}
@@ -916,8 +915,16 @@ void mei_cl_all_wakeup(struct mei_device *dev)
void mei_cl_all_write_clear(struct mei_device *dev)
{
struct mei_cl_cb *cb, *next;
+ struct list_head *list;
- list_for_each_entry_safe(cb, next, &dev->write_list.list, list) {
+ list = &dev->write_list.list;
+ list_for_each_entry_safe(cb, next, list, list) {
+ list_del(&cb->list);
+ mei_io_cb_free(cb);
+ }
+
+ list = &dev->write_waiting_list.list;
+ list_for_each_entry_safe(cb, next, list, list) {
list_del(&cb->list);
mei_io_cb_free(cb);
}
diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
index 17d7fece35d2..57fc06e0f434 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.c
+++ b/drivers/net/wireless/ath/ar5523/ar5523.c
@@ -1764,7 +1764,7 @@ static struct usb_device_id ar5523_id_table[] = {
AR5523_DEVICE_UX(0x2001, 0x3a04), /* Dlink / DWLAG122 */
AR5523_DEVICE_UG(0x1690, 0x0712), /* Gigaset / AR5523 */
AR5523_DEVICE_UG(0x1690, 0x0710), /* Gigaset / SMCWUSBTG */
- AR5523_DEVICE_UG(0x129b, 0x160c), /* Gigaset / USB stick 108
+ AR5523_DEVICE_UG(0x129b, 0x160b), /* Gigaset / USB stick 108
(CyberTAN Technology) */
AR5523_DEVICE_UG(0x16ab, 0x7801), /* Globalsun / AR5523_1 */
AR5523_DEVICE_UX(0x16ab, 0x7811), /* Globalsun / AR5523_2 */
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index c3676bf1d6c4..50f991c89cfe 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -34,6 +34,10 @@ static int ath9k_htc_btcoex_enable;
module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);
MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
#define CHAN2G(_freq, _idx) { \
.center_freq = (_freq), \
.hw_value = (_idx), \
@@ -725,12 +729,14 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_RX_INCLUDES_FCS |
- IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
+ if (ath9k_ps_enable)
+ hw->flags |= IEEE80211_HW_SUPPORTS_PS;
+
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC) |
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 79d67c35299b..968345e30436 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1337,21 +1337,22 @@ static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw,
struct ath_common *common = ath9k_hw_common(priv->ah);
struct ath9k_htc_target_rate trate;
+ if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED))
+ return;
+
mutex_lock(&priv->mutex);
ath9k_htc_ps_wakeup(priv);
- if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
- memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
- ath9k_htc_setup_rate(priv, sta, &trate);
- if (!ath9k_htc_send_rate_cmd(priv, &trate))
- ath_dbg(common, CONFIG,
- "Supported rates for sta: %pM updated, rate caps: 0x%X\n",
- sta->addr, be32_to_cpu(trate.capflags));
- else
- ath_dbg(common, CONFIG,
- "Unable to update supported rates for sta: %pM\n",
- sta->addr);
- }
+ memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
+ ath9k_htc_setup_rate(priv, sta, &trate);
+ if (!ath9k_htc_send_rate_cmd(priv, &trate))
+ ath_dbg(common, CONFIG,
+ "Supported rates for sta: %pM updated, rate caps: 0x%X\n",
+ sta->addr, be32_to_cpu(trate.capflags));
+ else
+ ath_dbg(common, CONFIG,
+ "Unable to update supported rates for sta: %pM\n",
+ sta->addr);
ath9k_htc_ps_restore(priv);
mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 9a1f349f9260..c9887cb60650 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -57,6 +57,10 @@ static int ath9k_bt_ant_diversity;
module_param_named(bt_ant_diversity, ath9k_bt_ant_diversity, int, 0444);
MODULE_PARM_DESC(bt_ant_diversity, "Enable WLAN/BT RX antenna diversity");
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
bool is_ath9k_unloaded;
/* We use the hw_value as an index into our private channel structure */
@@ -830,13 +834,15 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK |
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_SUPPORTS_RC_TABLE |
IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
+ if (ath9k_ps_enable)
+ hw->flags |= IEEE80211_HW_SUPPORTS_PS;
+
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index b76a9a8fc0b3..4a1cf1344fdb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -182,6 +182,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) {
ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
+
+ if (ch_idx >= NUM_2GHZ_CHANNELS &&
+ !data->sku_cap_band_52GHz_enable)
+ ch_flags &= ~NVM_CHANNEL_VALID;
+
if (!(ch_flags & NVM_CHANNEL_VALID)) {
IWL_DEBUG_EEPROM(dev,
"Ch. %d Flags %x [%sGHz] - No traffic\n",
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 621fb71f282a..62258ebe3348 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -311,7 +311,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm,
iwl_mvm_scan_fill_ssids(cmd, req);
- cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL);
+ cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL |
+ TX_CMD_FLG_BT_DIS);
cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id;
cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
cmd->tx_cmd.rate_n_flags =
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index a9c357491434..45746674a1a1 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -411,6 +411,8 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
mvm->status, table.valid);
}
+ IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);
+
trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.data3,
table.blink1, table.blink2, table.ilink1,
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 3c4b2af51611..503b4e4cb551 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -99,11 +99,12 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr)
static int of_bus_pci_match(struct device_node *np)
{
/*
+ * "pciex" is PCI Express
* "vci" is for the /chaos bridge on 1st-gen PCI powermacs
* "ht" is hypertransport
*/
- return !strcmp(np->type, "pci") || !strcmp(np->type, "vci") ||
- !strcmp(np->type, "ht");
+ return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex") ||
+ !strcmp(np->type, "vci") || !strcmp(np->type, "ht");
}
static void of_bus_pci_count_cells(struct device_node *np,
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index be5cba52a09c..5707135db526 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -706,6 +706,17 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot)
return (unsigned int)sta;
}
+static inline bool device_status_valid(unsigned int sta)
+{
+ /*
+ * ACPI spec says that _STA may return bit 0 clear with bit 3 set
+ * if the device is valid but does not require a device driver to be
+ * loaded (Section 6.3.7 of ACPI 5.0A).
+ */
+ unsigned int mask = ACPI_STA_DEVICE_ENABLED | ACPI_STA_DEVICE_FUNCTIONING;
+ return (sta & mask) == mask;
+}
+
/**
* trim_stale_devices - remove PCI devices that are not responding.
* @dev: PCI device to start walking the hierarchy from.
@@ -721,7 +732,7 @@ static void trim_stale_devices(struct pci_dev *dev)
unsigned long long sta;
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
- alive = (ACPI_SUCCESS(status) && sta == ACPI_STA_ALL)
+ alive = (ACPI_SUCCESS(status) && device_status_valid(sta))
|| acpiphp_no_hotplug(handle);
}
if (!alive) {
@@ -764,7 +775,7 @@ static void acpiphp_check_bridge(struct acpiphp_bridge *bridge)
mutex_lock(&slot->crit_sect);
if (slot_no_hotplug(slot)) {
; /* do nothing */
- } else if (get_slot_status(slot) == ACPI_STA_ALL) {
+ } else if (device_status_valid(get_slot_status(slot))) {
/* remove stale devices if any */
list_for_each_entry_safe(dev, tmp, &bus->devices,
bus_list)
diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c
index c7ff6d67f158..0fbac861080d 100644
--- a/drivers/power/max17040_battery.c
+++ b/drivers/power/max17040_battery.c
@@ -148,7 +148,7 @@ static void max17040_get_online(struct i2c_client *client)
{
struct max17040_chip *chip = i2c_get_clientdata(client);
- if (chip->pdata->battery_online)
+ if (chip->pdata && chip->pdata->battery_online)
chip->online = chip->pdata->battery_online();
else
chip->online = 1;
@@ -158,7 +158,8 @@ static void max17040_get_status(struct i2c_client *client)
{
struct max17040_chip *chip = i2c_get_clientdata(client);
- if (!chip->pdata->charger_online || !chip->pdata->charger_enable) {
+ if (!chip->pdata || !chip->pdata->charger_online
+ || !chip->pdata->charger_enable) {
chip->status = POWER_SUPPLY_STATUS_UNKNOWN;
return;
}
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index 47a68b43bcd5..ba4e99a37327 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -363,6 +363,8 @@ static int nuc900_spi_probe(struct platform_device *pdev)
init_completion(&hw->done);
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+ if (hw->pdata->lsb)
+ master->mode_bits |= SPI_LSB_FIRST;
master->num_chipselect = hw->pdata->num_cs;
master->bus_num = hw->pdata->bus_num;
hw->bitbang.master = hw->master;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 30b1229f6406..9e039c60c068 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -600,9 +600,7 @@ static void spi_pump_messages(struct kthread_work *work)
ret = master->transfer_one_message(master, master->cur_msg);
if (ret) {
dev_err(&master->dev,
- "failed to transfer one message from queue: %d\n", ret);
- master->cur_msg->status = ret;
- spi_finalize_current_message(master);
+ "failed to transfer one message from queue\n");
return;
}
}
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index f84df46d326a..a917eda80ef0 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -490,6 +490,7 @@ static int pci171x_insn_write_ao(struct comedi_device *dev,
struct comedi_insn *insn, unsigned int *data)
{
struct pci1710_private *devpriv = dev->private;
+ unsigned int val;
int n, chan, range, ofs;
chan = CR_CHAN(insn->chanspec);
@@ -505,11 +506,14 @@ static int pci171x_insn_write_ao(struct comedi_device *dev,
outw(devpriv->da_ranges, dev->iobase + PCI171x_DAREF);
ofs = PCI171x_DA1;
}
+ val = devpriv->ao_data[chan];
- for (n = 0; n < insn->n; n++)
- outw(data[n], dev->iobase + ofs);
+ for (n = 0; n < insn->n; n++) {
+ val = data[n];
+ outw(val, dev->iobase + ofs);
+ }
- devpriv->ao_data[chan] = data[n];
+ devpriv->ao_data[chan] = val;
return n;
@@ -679,6 +683,7 @@ static int pci1720_insn_write_ao(struct comedi_device *dev,
struct comedi_insn *insn, unsigned int *data)
{
struct pci1710_private *devpriv = dev->private;
+ unsigned int val;
int n, rangereg, chan;
chan = CR_CHAN(insn->chanspec);
@@ -688,13 +693,15 @@ static int pci1720_insn_write_ao(struct comedi_device *dev,
outb(rangereg, dev->iobase + PCI1720_RANGE);
devpriv->da_ranges = rangereg;
}
+ val = devpriv->ao_data[chan];
for (n = 0; n < insn->n; n++) {
- outw(data[n], dev->iobase + PCI1720_DA0 + (chan << 1));
+ val = data[n];
+ outw(val, dev->iobase + PCI1720_DA0 + (chan << 1));
outb(0, dev->iobase + PCI1720_SYNCOUT); /* update outputs */
}
- devpriv->ao_data[chan] = data[n];
+ devpriv->ao_data[chan] = val;
return n;
}
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index 2b2049c8bc6b..2c3af3f8c352 100644
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -644,7 +644,8 @@ static int ad799x_probe(struct i2c_client *client,
return 0;
error_free_irq:
- free_irq(client->irq, indio_dev);
+ if (client->irq > 0)
+ free_irq(client->irq, indio_dev);
error_cleanup_ring:
ad799x_ring_cleanup(indio_dev);
error_disable_reg:
diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c
index 09844be5eec4..b369dff44756 100644
--- a/drivers/staging/lustre/lustre/llite/dir.c
+++ b/drivers/staging/lustre/lustre/llite/dir.c
@@ -1086,7 +1086,7 @@ static int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl)
break;
case Q_GETQUOTA:
if (((type == USRQUOTA &&
- uid_eq(current_euid(), make_kuid(&init_user_ns, id))) ||
+ !uid_eq(current_euid(), make_kuid(&init_user_ns, id))) ||
(type == GRPQUOTA &&
!in_egroup_p(make_kgid(&init_user_ns, id)))) &&
(!cfs_capable(CFS_CAP_SYS_ADMIN) ||
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 9ca3180ebaa0..606d6f059972 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -53,7 +53,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
{USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
/*=== Customer ID ===*/
/****** 8188EUS ********/
- {USB_DEVICE(0x8179, 0x07B8)}, /* Abocom - Abocom */
+ {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
{} /* Terminating entry */
};
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index d1ae4c5c3ffd..dfe3db7942ea 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -2009,7 +2009,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL;
sense_reason_t ret = TCM_NO_SENSE;
- int pr_holder = 0;
+ int pr_holder = 0, type;
if (!se_sess || !se_lun) {
pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
@@ -2131,6 +2131,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
ret = TCM_RESERVATION_CONFLICT;
goto out;
}
+ type = pr_reg->pr_res_type;
spin_lock(&pr_tmpl->registration_lock);
/*
@@ -2161,6 +2162,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
* Release the calling I_T Nexus registration now..
*/
__core_scsi3_free_registration(cmd->se_dev, pr_reg, NULL, 1);
+ pr_reg = NULL;
/*
* From spc4r17, section 5.7.11.3 Unregistering
@@ -2174,8 +2176,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
* RESERVATIONS RELEASED.
*/
if (pr_holder &&
- (pr_reg->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY ||
- pr_reg->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY)) {
+ (type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY ||
+ type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY)) {
list_for_each_entry(pr_reg_p,
&pr_tmpl->registration_list,
pr_reg_list) {
@@ -2194,7 +2196,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
ret = core_scsi3_update_and_write_aptpl(dev, aptpl);
out:
- core_scsi3_put_pr_reg(pr_reg);
+ if (pr_reg)
+ core_scsi3_put_pr_reg(pr_reg);
return ret;
}
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index c0f76da55304..5056090f1b3d 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1089,6 +1089,7 @@ static void gsm_control_modem(struct gsm_mux *gsm, u8 *data, int clen)
{
unsigned int addr = 0;
unsigned int modem = 0;
+ unsigned int brk = 0;
struct gsm_dlci *dlci;
int len = clen;
u8 *dp = data;
@@ -1115,6 +1116,16 @@ static void gsm_control_modem(struct gsm_mux *gsm, u8 *data, int clen)
if (len == 0)
return;
}
+ len--;
+ if (len > 0) {
+ while (gsm_read_ea(&brk, *dp++) == 0) {
+ len--;
+ if (len == 0)
+ return;
+ }
+ modem <<= 7;
+ modem |= (brk & 0x7f);
+ }
tty = tty_port_tty_get(&dlci->port);
gsm_process_modem(tty, dlci, modem, clen);
if (tty) {
diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
index 61c1ad03db5b..a72c33f8e263 100644
--- a/drivers/tty/serial/sirfsoc_uart.c
+++ b/drivers/tty/serial/sirfsoc_uart.c
@@ -540,8 +540,10 @@ static void sirfsoc_rx_tmo_process_tl(unsigned long param)
wr_regl(port, ureg->sirfsoc_rx_dma_io_ctrl,
rd_regl(port, ureg->sirfsoc_rx_dma_io_ctrl) |
SIRFUART_IO_MODE);
- sirfsoc_uart_pio_rx_chars(port, 4 - sirfport->rx_io_count);
spin_unlock_irqrestore(&sirfport->rx_lock, flags);
+ spin_lock(&port->lock);
+ sirfsoc_uart_pio_rx_chars(port, 4 - sirfport->rx_io_count);
+ spin_unlock(&port->lock);
if (sirfport->rx_io_count == 4) {
spin_lock_irqsave(&sirfport->rx_lock, flags);
sirfport->rx_io_count = 0;
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 9a8e8c5a0c73..239eae55600a 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1164,6 +1164,8 @@ static void csi_J(struct vc_data *vc, int vpar)
scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char,
vc->vc_screenbuf_size >> 1);
set_origin(vc);
+ if (CON_IS_VISIBLE(vc))
+ update_screen(vc);
/* fall through */
case 2: /* erase whole display */
count = vc->vc_cols * vc->vc_rows;
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index f20a04494e16..d6a8d23f047b 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1033,7 +1033,6 @@ static int register_root_hub(struct usb_hcd *hcd)
dev_name(&usb_dev->dev), retval);
return retval;
}
- usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev);
}
retval = usb_new_device (usb_dev);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index e3f7e41818f8..3670086fb7c8 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -135,7 +135,7 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev)
return usb_get_intfdata(hdev->actconfig->interface[0]);
}
-int usb_device_supports_lpm(struct usb_device *udev)
+static int usb_device_supports_lpm(struct usb_device *udev)
{
/* USB 2.1 (and greater) devices indicate LPM support through
* their USB 2.0 Extended Capabilities BOS descriptor.
@@ -156,11 +156,6 @@ int usb_device_supports_lpm(struct usb_device *udev)
"Power management will be impacted.\n");
return 0;
}
-
- /* udev is root hub */
- if (!udev->parent)
- return 1;
-
if (udev->parent->lpm_capable)
return 1;
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index c49383669cd8..823857767a16 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -35,7 +35,6 @@ extern int usb_get_device_descriptor(struct usb_device *dev,
unsigned int size);
extern int usb_get_bos_descriptor(struct usb_device *dev);
extern void usb_release_bos_descriptor(struct usb_device *dev);
-extern int usb_device_supports_lpm(struct usb_device *udev);
extern char *usb_cache_string(struct usb_device *udev, int index);
extern int usb_set_configuration(struct usb_device *dev, int configuration);
extern int usb_choose_configuration(struct usb_device *udev);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index fec3c8654ccd..6bfbd80ec2b9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2929,58 +2929,8 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
}
while (1) {
- if (room_on_ring(xhci, ep_ring, num_trbs)) {
- union xhci_trb *trb = ep_ring->enqueue;
- unsigned int usable = ep_ring->enq_seg->trbs +
- TRBS_PER_SEGMENT - 1 - trb;
- u32 nop_cmd;
-
- /*
- * Section 4.11.7.1 TD Fragments states that a link
- * TRB must only occur at the boundary between
- * data bursts (eg 512 bytes for 480M).
- * While it is possible to split a large fragment
- * we don't know the size yet.
- * Simplest solution is to fill the trb before the
- * LINK with nop commands.
- */
- if (num_trbs == 1 || num_trbs <= usable || usable == 0)
- break;
-
- if (ep_ring->type != TYPE_BULK)
- /*
- * While isoc transfers might have a buffer that
- * crosses a 64k boundary it is unlikely.
- * Since we can't add NOPs without generating
- * gaps in the traffic just hope it never
- * happens at the end of the ring.
- * This could be fixed by writing a LINK TRB
- * instead of the first NOP - however the
- * TRB_TYPE_LINK_LE32() calls would all need
- * changing to check the ring length.
- */
- break;
-
- if (num_trbs >= TRBS_PER_SEGMENT) {
- xhci_err(xhci, "Too many fragments %d, max %d\n",
- num_trbs, TRBS_PER_SEGMENT - 1);
- return -EINVAL;
- }
-
- nop_cmd = cpu_to_le32(TRB_TYPE(TRB_TR_NOOP) |
- ep_ring->cycle_state);
- ep_ring->num_trbs_free -= usable;
- do {
- trb->generic.field[0] = 0;
- trb->generic.field[1] = 0;
- trb->generic.field[2] = 0;
- trb->generic.field[3] = nop_cmd;
- trb++;
- } while (--usable);
- ep_ring->enqueue = trb;
- if (room_on_ring(xhci, ep_ring, num_trbs))
- break;
- }
+ if (room_on_ring(xhci, ep_ring, num_trbs))
+ break;
if (ep_ring == xhci->cmd_ring) {
xhci_err(xhci, "Do not support expand command ring\n");
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1dceec25223e..82fb34183a7f 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4727,11 +4727,8 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
struct device *dev = hcd->self.controller;
int retval;
- /* Limit the block layer scatter-gather lists to half a segment. */
- hcd->self.sg_tablesize = TRBS_PER_SEGMENT / 2;
-
- /* support to build packet from discontinuous buffers */
- hcd->self.no_sg_constraint = 1;
+ /* Accept arbitrarily long scatter-gather lists */
+ hcd->self.sg_tablesize = ~0;
/* XHCI controllers don't stop the ep queue on short packets :| */
hcd->self.no_stop_on_short = 1;
@@ -4757,6 +4754,14 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
/* xHCI private pointer was set in xhci_pci_probe for the second
* registered roothub.
*/
+ xhci = hcd_to_xhci(hcd);
+ /*
+ * Support arbitrarily aligned sg-list entries on hosts without
+ * TD fragment rules (which are currently unsupported).
+ */
+ if (xhci->hci_version < 0x100)
+ hcd->self.no_sg_constraint = 1;
+
return 0;
}
@@ -4783,6 +4788,9 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
if (xhci->hci_version > 0x96)
xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
+ if (xhci->hci_version < 0x100)
+ hcd->self.no_sg_constraint = 1;
+
/* Make sure the HC is halted. */
retval = xhci_halt(xhci);
if (retval)
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 6b3164c75c98..ed3a425de8ce 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1262,7 +1262,7 @@ union xhci_trb {
* since the command ring is 64-byte aligned.
* It must also be greater than 16.
*/
-#define TRBS_PER_SEGMENT 256
+#define TRBS_PER_SEGMENT 64
/* Allow two commands + a link TRB, along with any reserved command TRBs */
#define MAX_RSVD_CMD_TRBS (TRBS_PER_SEGMENT - 3)
#define TRB_SEGMENT_SIZE (TRBS_PER_SEGMENT*16)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 6f1cbbf51ae8..eea9e7b6af4c 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -153,6 +153,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
@@ -192,6 +193,8 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
+ { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index a7019d1e3058..1e2d369df86e 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -50,6 +50,7 @@
#define TI_XDS100V2_PID 0xa6d0
#define FTDI_NXTCAM_PID 0xABB8 /* NXTCam for Mindstorms NXT */
+#define FTDI_EV3CON_PID 0xABB9 /* Mindstorms EV3 Console Adapter */
/* US Interface Navigator (http://www.usinterface.com/) */
#define FTDI_USINT_CAT_PID 0xb810 /* Navigator CAT and 2nd PTT lines */
@@ -363,6 +364,12 @@
/* Sprog II (Andrew Crosland's SprogII DCC interface) */
#define FTDI_SPROG_II 0xF0C8
+/*
+ * Two of the Tagsys RFID Readers
+ */
+#define FTDI_TAGSYS_LP101_PID 0xF0E9 /* Tagsys L-P101 RFID*/
+#define FTDI_TAGSYS_P200X_PID 0xF0EE /* Tagsys Medio P200x RFID*/
+
/* an infrared receiver for user access control with IR tags */
#define FTDI_PIEGROUP_PID 0xF208 /* Product Id */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5c86f57e4afa..216d20affba8 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1362,7 +1362,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1267, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1268, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1269, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1270, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1270, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1271, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1272, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1273, 0xff, 0xff, 0xff) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index c65437cfd4a2..968a40201e5f 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -139,6 +139,9 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index 52eb91f2eb2a..147f01971c39 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -72,7 +72,8 @@ DEVICE(hp4x, HP4X_IDS);
/* Suunto ANT+ USB Driver */
#define SUUNTO_IDS() \
- { USB_DEVICE(0x0fcf, 0x1008) }
+ { USB_DEVICE(0x0fcf, 0x1008) }, \
+ { USB_DEVICE(0x0fcf, 0x1009) } /* Dynastream ANT USB-m Stick */
DEVICE(suunto, SUUNTO_IDS);
/* Siemens USB/MPI adapter */
diff --git a/drivers/usb/storage/Kconfig b/drivers/usb/storage/Kconfig
index 8470e1b114f2..1dd0604d1911 100644
--- a/drivers/usb/storage/Kconfig
+++ b/drivers/usb/storage/Kconfig
@@ -18,7 +18,9 @@ config USB_STORAGE
This option depends on 'SCSI' support being enabled, but you
probably also need 'SCSI device support: SCSI disk support'
- (BLK_DEV_SD) for most USB storage devices.
+ (BLK_DEV_SD) for most USB storage devices. Some devices also
+ will require 'Probe all LUNs on each SCSI device'
+ (SCSI_MULTI_LUN).
To compile this driver as a module, choose M here: the
module will be called usb-storage.
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 18509e6c21ab..9d38ddc8da49 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -78,6 +78,8 @@ static const char* host_info(struct Scsi_Host *host)
static int slave_alloc (struct scsi_device *sdev)
{
+ struct us_data *us = host_to_us(sdev->host);
+
/*
* Set the INQUIRY transfer length to 36. We don't use any of
* the extra data and many devices choke if asked for more or
@@ -102,6 +104,10 @@ static int slave_alloc (struct scsi_device *sdev)
*/
blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1));
+ /* Tell the SCSI layer if we know there is more than one LUN */
+ if (us->protocol == USB_PR_BULK && us->max_lun > 0)
+ sdev->sdev_bflags |= BLIST_FORCELUN;
+
return 0;
}
diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h
index 65a6a75066a8..82e8ed0324e3 100644
--- a/drivers/usb/storage/unusual_cypress.h
+++ b/drivers/usb/storage/unusual_cypress.h
@@ -31,7 +31,7 @@ UNUSUAL_DEV( 0x04b4, 0x6831, 0x0000, 0x9999,
"Cypress ISD-300LP",
USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
-UNUSUAL_DEV( 0x14cd, 0x6116, 0x0000, 0x0219,
+UNUSUAL_DEV( 0x14cd, 0x6116, 0x0160, 0x0160,
"Super Top",
"USB 2.0 SATA BRIDGE",
USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index ad06255c2ade..adbeb255616a 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1455,6 +1455,13 @@ UNUSUAL_DEV( 0x0f88, 0x042e, 0x0100, 0x0100,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY ),
+/* Reported by Moritz Moeller-Herrmann <moritz-kernel@...ller-herrmann.de> */
+UNUSUAL_DEV( 0x0fca, 0x8004, 0x0201, 0x0201,
+ "Research In Motion",
+ "BlackBerry Bold 9000",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_MAX_SECTORS_64 ),
+
/* Reported by Michael Stattmann <michael@...ttmann.com> */
UNUSUAL_DEV( 0x0fce, 0xd008, 0x0000, 0x0000,
"Sony Ericsson",
diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c
index f8448573d030..0b2fefbfcd10 100644
--- a/drivers/vme/bridges/vme_ca91cx42.c
+++ b/drivers/vme/bridges/vme_ca91cx42.c
@@ -884,7 +884,7 @@ static ssize_t ca91cx42_master_read(struct vme_master_resource *image,
if (done == count)
goto out;
}
- if ((uintptr_t)addr & 0x2) {
+ if ((uintptr_t)(addr + done) & 0x2) {
if ((count - done) < 2) {
*(u8 *)(buf + done) = ioread8(addr + done);
done += 1;
@@ -938,7 +938,7 @@ static ssize_t ca91cx42_master_write(struct vme_master_resource *image,
if (done == count)
goto out;
}
- if ((uintptr_t)addr & 0x2) {
+ if ((uintptr_t)(addr + done) & 0x2) {
if ((count - done) < 2) {
iowrite8(*(u8 *)(buf + done), addr + done);
done += 1;
diff --git a/drivers/vme/bridges/vme_tsi148.c b/drivers/vme/bridges/vme_tsi148.c
index 9cf88337e4e9..7db4e6395e23 100644
--- a/drivers/vme/bridges/vme_tsi148.c
+++ b/drivers/vme/bridges/vme_tsi148.c
@@ -1289,7 +1289,7 @@ static ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf,
if (done == count)
goto out;
}
- if ((uintptr_t)addr & 0x2) {
+ if ((uintptr_t)(addr + done) & 0x2) {
if ((count - done) < 2) {
*(u8 *)(buf + done) = ioread8(addr + done);
done += 1;
@@ -1371,7 +1371,7 @@ static ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
if (done == count)
goto out;
}
- if ((uintptr_t)addr & 0x2) {
+ if ((uintptr_t)(addr + done) & 0x2) {
if ((count - done) < 2) {
iowrite8(*(u8 *)(buf + done), addr + done);
done += 1;
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index fc60b31453ee..6dea2b90b4d5 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -114,6 +114,14 @@ void bio_integrity_free(struct bio *bio)
}
EXPORT_SYMBOL(bio_integrity_free);
+static inline unsigned int bip_integrity_vecs(struct bio_integrity_payload *bip)
+{
+ if (bip->bip_slab == BIO_POOL_NONE)
+ return BIP_INLINE_VECS;
+
+ return bvec_nr_vecs(bip->bip_slab);
+}
+
/**
* bio_integrity_add_page - Attach integrity metadata
* @bio: bio to update
@@ -129,7 +137,7 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
struct bio_integrity_payload *bip = bio->bi_integrity;
struct bio_vec *iv;
- if (bip->bip_vcnt >= bvec_nr_vecs(bip->bip_slab)) {
+ if (bip->bip_vcnt >= bip_integrity_vecs(bip)) {
printk(KERN_ERR "%s: bip_vec full\n", __func__);
return 0;
}
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 51f5e0ee7237..494b68349667 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -1027,15 +1027,30 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode,
__u32 secdesclen = 0;
struct cifs_ntsd *pntsd = NULL; /* acl obtained from server */
struct cifs_ntsd *pnntsd = NULL; /* modified acl to be sent to server */
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
+ struct cifs_tcon *tcon;
+
+ if (IS_ERR(tlink))
+ return PTR_ERR(tlink);
+ tcon = tlink_tcon(tlink);
cifs_dbg(NOISY, "set ACL from mode for %s\n", path);
/* Get the security descriptor */
- pntsd = get_cifs_acl(CIFS_SB(inode->i_sb), inode, path, &secdesclen);
+
+ if (tcon->ses->server->ops->get_acl == NULL) {
+ cifs_put_tlink(tlink);
+ return -EOPNOTSUPP;
+ }
+
+ pntsd = tcon->ses->server->ops->get_acl(cifs_sb, inode, path,
+ &secdesclen);
if (IS_ERR(pntsd)) {
rc = PTR_ERR(pntsd);
cifs_dbg(VFS, "%s: error %d getting sec desc\n", __func__, rc);
- goto out;
+ cifs_put_tlink(tlink);
+ return rc;
}
/*
@@ -1048,6 +1063,7 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode,
pnntsd = kmalloc(secdesclen, GFP_KERNEL);
if (!pnntsd) {
kfree(pntsd);
+ cifs_put_tlink(tlink);
return -ENOMEM;
}
@@ -1056,14 +1072,18 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode,
cifs_dbg(NOISY, "build_sec_desc rc: %d\n", rc);
+ if (tcon->ses->server->ops->set_acl == NULL)
+ rc = -EOPNOTSUPP;
+
if (!rc) {
/* Set the security descriptor */
- rc = set_cifs_acl(pnntsd, secdesclen, inode, path, aclflag);
+ rc = tcon->ses->server->ops->set_acl(pnntsd, secdesclen, inode,
+ path, aclflag);
cifs_dbg(NOISY, "set_cifs_acl rc: %d\n", rc);
}
+ cifs_put_tlink(tlink);
kfree(pnntsd);
kfree(pntsd);
-out:
return rc;
}
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c8e03f8d628f..db95dca335ca 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -379,6 +379,16 @@ struct smb_version_operations {
char * (*create_lease_buf)(u8 *, u8);
/* parse lease context buffer and return oplock/epoch info */
__u8 (*parse_lease_buf)(void *, unsigned int *);
+ ssize_t (*query_all_EAs)(const unsigned int, struct cifs_tcon *,
+ const unsigned char *, const unsigned char *, char *,
+ size_t, const struct nls_table *, int);
+ int (*set_EA)(const unsigned int, struct cifs_tcon *, const char *,
+ const char *, const void *, const __u16,
+ const struct nls_table *, int);
+ struct cifs_ntsd * (*get_acl)(struct cifs_sb_info *, struct inode *,
+ const char *, u32 *);
+ int (*set_acl)(struct cifs_ntsd *, __u32, struct inode *, const char *,
+ int);
};
struct smb_version_values {
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 49719b8228e5..5f8bdff3a758 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -518,10 +518,15 @@ static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path,
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
- rc = CIFSSMBQAllEAs(xid, tcon, path, "SETFILEBITS",
- ea_value, 4 /* size of buf */, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (tcon->ses->server->ops->query_all_EAs == NULL) {
+ cifs_put_tlink(tlink);
+ return -EOPNOTSUPP;
+ }
+
+ rc = tcon->ses->server->ops->query_all_EAs(xid, tcon, path,
+ "SETFILEBITS", ea_value, 4 /* size of buf */,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
cifs_put_tlink(tlink);
if (rc < 0)
return (int)rc;
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index e50554b75463..e6ed0dc3071b 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -1003,6 +1003,14 @@ struct smb_version_operations smb1_operations = {
.push_mand_locks = cifs_push_mandatory_locks,
.query_mf_symlink = open_query_close_cifs_symlink,
.is_read_op = cifs_is_read_op,
+#ifdef CONFIG_CIFS_XATTR
+ .query_all_EAs = CIFSSMBQAllEAs,
+ .set_EA = CIFSSMBSetEA,
+#endif /* CIFS_XATTR */
+#ifdef CONFIG_CIFS_ACL
+ .get_acl = get_cifs_acl,
+ .set_acl = set_cifs_acl,
+#endif /* CIFS_ACL */
};
struct smb_version_values smb1_values = {
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index 09afda4cc58e..5ac836a86b18 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -82,9 +82,11 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name)
goto remove_ea_exit;
ea_name += XATTR_USER_PREFIX_LEN; /* skip past user. prefix */
- rc = CIFSSMBSetEA(xid, pTcon, full_path, ea_name, NULL,
- (__u16)0, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (pTcon->ses->server->ops->set_EA)
+ rc = pTcon->ses->server->ops->set_EA(xid, pTcon,
+ full_path, ea_name, NULL, (__u16)0,
+ cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
}
remove_ea_exit:
kfree(full_path);
@@ -149,18 +151,22 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
cifs_dbg(FYI, "attempt to set cifs inode metadata\n");
ea_name += XATTR_USER_PREFIX_LEN; /* skip past user. prefix */
- rc = CIFSSMBSetEA(xid, pTcon, full_path, ea_name, ea_value,
- (__u16)value_size, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (pTcon->ses->server->ops->set_EA)
+ rc = pTcon->ses->server->ops->set_EA(xid, pTcon,
+ full_path, ea_name, ea_value, (__u16)value_size,
+ cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
} else if (strncmp(ea_name, XATTR_OS2_PREFIX, XATTR_OS2_PREFIX_LEN)
== 0) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
goto set_ea_exit;
ea_name += XATTR_OS2_PREFIX_LEN; /* skip past os2. prefix */
- rc = CIFSSMBSetEA(xid, pTcon, full_path, ea_name, ea_value,
- (__u16)value_size, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (pTcon->ses->server->ops->set_EA)
+ rc = pTcon->ses->server->ops->set_EA(xid, pTcon,
+ full_path, ea_name, ea_value, (__u16)value_size,
+ cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
} else if (strncmp(ea_name, CIFS_XATTR_CIFS_ACL,
strlen(CIFS_XATTR_CIFS_ACL)) == 0) {
#ifdef CONFIG_CIFS_ACL
@@ -170,8 +176,12 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
rc = -ENOMEM;
} else {
memcpy(pacl, ea_value, value_size);
- rc = set_cifs_acl(pacl, value_size,
- direntry->d_inode, full_path, CIFS_ACL_DACL);
+ if (pTcon->ses->server->ops->set_acl)
+ rc = pTcon->ses->server->ops->set_acl(pacl,
+ value_size, direntry->d_inode,
+ full_path, CIFS_ACL_DACL);
+ else
+ rc = -EOPNOTSUPP;
if (rc == 0) /* force revalidate of the inode */
CIFS_I(direntry->d_inode)->time = 0;
kfree(pacl);
@@ -272,17 +282,21 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
/* revalidate/getattr then populate from inode */
} /* BB add else when above is implemented */
ea_name += XATTR_USER_PREFIX_LEN; /* skip past user. prefix */
- rc = CIFSSMBQAllEAs(xid, pTcon, full_path, ea_name, ea_value,
- buf_size, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (pTcon->ses->server->ops->query_all_EAs)
+ rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon,
+ full_path, ea_name, ea_value, buf_size,
+ cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
} else if (strncmp(ea_name, XATTR_OS2_PREFIX, XATTR_OS2_PREFIX_LEN) == 0) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
goto get_ea_exit;
ea_name += XATTR_OS2_PREFIX_LEN; /* skip past os2. prefix */
- rc = CIFSSMBQAllEAs(xid, pTcon, full_path, ea_name, ea_value,
- buf_size, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (pTcon->ses->server->ops->query_all_EAs)
+ rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon,
+ full_path, ea_name, ea_value, buf_size,
+ cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
} else if (strncmp(ea_name, POSIX_ACL_XATTR_ACCESS,
strlen(POSIX_ACL_XATTR_ACCESS)) == 0) {
#ifdef CONFIG_CIFS_POSIX
@@ -313,8 +327,11 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
u32 acllen;
struct cifs_ntsd *pacl;
- pacl = get_cifs_acl(cifs_sb, direntry->d_inode,
- full_path, &acllen);
+ if (pTcon->ses->server->ops->get_acl == NULL)
+ goto get_ea_exit; /* rc already EOPNOTSUPP */
+
+ pacl = pTcon->ses->server->ops->get_acl(cifs_sb,
+ direntry->d_inode, full_path, &acllen);
if (IS_ERR(pacl)) {
rc = PTR_ERR(pacl);
cifs_dbg(VFS, "%s: error %zd getting sec desc\n",
@@ -400,11 +417,12 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size)
/* if proc/fs/cifs/streamstoxattr is set then
search server for EAs or streams to
returns as xattrs */
- rc = CIFSSMBQAllEAs(xid, pTcon, full_path, NULL, data,
- buf_size, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (pTcon->ses->server->ops->query_all_EAs)
+ rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon,
+ full_path, NULL, data, buf_size,
+ cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
list_ea_exit:
kfree(full_path);
free_xid(xid);
diff --git a/fs/file.c b/fs/file.c
index 4a78f981557a..9de20265a78c 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -34,7 +34,7 @@ static void *alloc_fdmem(size_t size)
* vmalloc() if the allocation size will be considered "large" by the VM.
*/
if (size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER)) {
- void *data = kmalloc(size, GFP_KERNEL|__GFP_NOWARN);
+ void *data = kmalloc(size, GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY);
if (data != NULL)
return data;
}
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index e066a3902973..ab798a88ec1d 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -779,6 +779,7 @@ nlmsvc_grant_blocked(struct nlm_block *block)
struct nlm_file *file = block->b_file;
struct nlm_lock *lock = &block->b_call->a_args.lock;
int error;
+ loff_t fl_start, fl_end;
dprintk("lockd: grant blocked lock %p\n", block);
@@ -796,9 +797,16 @@ nlmsvc_grant_blocked(struct nlm_block *block)
}
/* Try the lock operation again */
+ /* vfs_lock_file() can mangle fl_start and fl_end, but we need
+ * them unchanged for the GRANT_MSG
+ */
lock->fl.fl_flags |= FL_SLEEP;
+ fl_start = lock->fl.fl_start;
+ fl_end = lock->fl.fl_end;
error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL);
lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.fl_start = fl_start;
+ lock->fl.fl_end = fl_end;
switch (error) {
case 0:
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 02b0df769e2d..e81a1cae81b5 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1852,6 +1852,11 @@ int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
GFP_KERNEL)) {
SetPageUptodate(page);
unlock_page(page);
+ /*
+ * add_to_page_cache_lru() grabs an extra page refcount.
+ * Drop it here to avoid leaking this page later.
+ */
+ page_cache_release(page);
} else
__free_page(page);
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index ded429966c1f..2507fd2a1eb4 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -75,11 +75,7 @@
*
* (asm goto is automatically volatile - the naming reflects this.)
*/
-#if GCC_VERSION <= 40801
-# define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
-#else
-# define asm_volatile_goto(x...) do { asm goto(x); } while (0)
-#endif
+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
#if GCC_VERSION >= 40400
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 6b02370256e4..39cfa0aca91f 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1262,8 +1262,6 @@ typedef void (*usb_complete_t)(struct urb *);
* @sg: scatter gather buffer list, the buffer size of each element in
* the list (except the last) must be divisible by the endpoint's
* max packet size if no_sg_constraint isn't set in 'struct usb_bus'
- * (FIXME: scatter-gather under xHCI is broken for periodic transfers.
- * Do not use urb->sg for interrupt endpoints for now, only bulk.)
* @num_mapped_sgs: (internal) number of mapped sg entries
* @num_sgs: number of entries in the sg list
* @transfer_buffer_length: How big is transfer_buffer. The transfer may
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 192a302d6cfd..8ab8e9390297 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -274,6 +274,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
{
return (irq < NR_IRQS) ? irq_desc + irq : NULL;
}
+EXPORT_SYMBOL(irq_to_desc);
static void free_desc(unsigned int irq)
{
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index 7a925ba456fb..a6a5bf53e86d 100644
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -51,7 +51,13 @@
* HZ shrinks, so values greater than 8 overflow 32bits when
* HZ=100.
*/
+#if HZ < 34
+#define JIFFIES_SHIFT 6
+#elif HZ < 67
+#define JIFFIES_SHIFT 7
+#else
#define JIFFIES_SHIFT 8
+#endif
static cycle_t jiffies_read(struct clocksource *cs)
{
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 218bcb565fed..8a95408b1345 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -755,6 +755,7 @@ out:
static void tick_broadcast_clear_oneshot(int cpu)
{
cpumask_clear_cpu(cpu, tick_broadcast_oneshot_mask);
+ cpumask_clear_cpu(cpu, tick_broadcast_pending_mask);
}
static void tick_broadcast_init_next_event(struct cpumask *mask,
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index cc2f66f68dc5..0e337eedb909 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2397,6 +2397,13 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
write &= RB_WRITE_MASK;
tail = write - length;
+ /*
+ * If this is the first commit on the page, then it has the same
+ * timestamp as the page itself.
+ */
+ if (!tail)
+ delta = 0;
+
/* See if we shot pass the end of this buffer page */
if (unlikely(write > BUF_PAGE_SIZE))
return rb_move_tail(cpu_buffer, length, tail,
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 428adeedd3be..de476c2f8827 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -945,8 +945,10 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn,
* to it. Similarly, page lock is shifted.
*/
if (hpage != p) {
- put_page(hpage);
- get_page(p);
+ if (!(flags & MF_COUNT_INCREASED)) {
+ put_page(hpage);
+ get_page(p);
+ }
lock_page(p);
unlock_page(hpage);
*hpagep = p;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9903ee585561..c6d417a3885f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -995,8 +995,10 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
IEEE80211_P2P_OPPPS_ENABLE_BIT;
err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
- if (err < 0)
+ if (err < 0) {
+ ieee80211_vif_release_channel(sdata);
return err;
+ }
changed |= err;
err = drv_start_ap(sdata->local, sdata);
@@ -1005,6 +1007,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
if (old)
kfree_rcu(old, rcu_head);
RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
+ ieee80211_vif_release_channel(sdata);
return err;
}
@@ -2506,6 +2509,24 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
INIT_LIST_HEAD(&roc->dependents);
+ /*
+ * cookie is either the roc cookie (for normal roc)
+ * or the SKB (for mgmt TX)
+ */
+ if (!txskb) {
+ /* local->mtx protects this */
+ local->roc_cookie_counter++;
+ roc->cookie = local->roc_cookie_counter;
+ /* wow, you wrapped 64 bits ... more likely a bug */
+ if (WARN_ON(roc->cookie == 0)) {
+ roc->cookie = 1;
+ local->roc_cookie_counter++;
+ }
+ *cookie = roc->cookie;
+ } else {
+ *cookie = (unsigned long)txskb;
+ }
+
/* if there's one pending or we're scanning, queue this one */
if (!list_empty(&local->roc_list) ||
local->scanning || local->radar_detect_enabled)
@@ -2640,24 +2661,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
if (!queued)
list_add_tail(&roc->list, &local->roc_list);
- /*
- * cookie is either the roc cookie (for normal roc)
- * or the SKB (for mgmt TX)
- */
- if (!txskb) {
- /* local->mtx protects this */
- local->roc_cookie_counter++;
- roc->cookie = local->roc_cookie_counter;
- /* wow, you wrapped 64 bits ... more likely a bug */
- if (WARN_ON(roc->cookie == 0)) {
- roc->cookie = 1;
- local->roc_cookie_counter++;
- }
- *cookie = roc->cookie;
- } else {
- *cookie = (unsigned long)txskb;
- }
-
return 0;
}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 1eb2b78e927b..81dca92176c7 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -874,7 +874,7 @@ static int ieee80211_fragment(struct ieee80211_tx_data *tx,
}
/* adjust first fragment's length */
- skb->len = hdrlen + per_fragm;
+ skb_trim(skb, hdrlen + per_fragm);
return 0;
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 626dc3b5fd8d..c2853bbf8059 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1655,9 +1655,10 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
* We can then retry with the larger buffer.
*/
if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
- !skb->len &&
+ !skb->len && !state->split &&
cb->min_dump_alloc < 4096) {
cb->min_dump_alloc = 4096;
+ state->split_start = 0;
rtnl_unlock();
return 1;
}
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 23708636b05c..25e5cb0aaef6 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -210,8 +210,8 @@ static void do_usb_entry(void *symval,
range_lo < 0x9 ? "[%X-9" : "[%X",
range_lo);
sprintf(alias + strlen(alias),
- range_hi > 0xA ? "a-%X]" : "%X]",
- range_lo);
+ range_hi > 0xA ? "A-%X]" : "%X]",
+ range_hi);
}
}
if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1))
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 6195a4f8d9b8..003a7ce5791c 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4057,6 +4057,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x8398, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x8516, "ASUS X101CH", ALC269_FIXUP_ASUS_X101),
+ SND_PCI_QUIRK(0x104d, 0x90b5, "Sony VAIO Pro 11", ALC286_FIXUP_SONY_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x104d, 0x90b6, "Sony VAIO Pro 13", ALC286_FIXUP_SONY_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x104d, 0x9073, "Sony VAIO", ALC275_FIXUP_SONY_VAIO_GPIO2),
SND_PCI_QUIRK(0x104d, 0x907b, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 88b2fe3ddf42..00d86427af0f 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -154,17 +154,13 @@ int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
list_add_tail(&dev->list, &kvm->coalesced_zones);
mutex_unlock(&kvm->slots_lock);
- return ret;
+ return 0;
out_free_dev:
mutex_unlock(&kvm->slots_lock);
-
kfree(dev);
- if (dev == NULL)
- return -ENXIO;
-
- return 0;
+ return ret;
}
int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
--
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