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SubjectRe: Linux 3.7.6

diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt
index 728c38c..56fb62b 100644
--- a/Documentation/device-mapper/dm-raid.txt
+++ b/Documentation/device-mapper/dm-raid.txt
@@ -141,3 +141,4 @@ Version History
1.2.0 Handle creation of arrays that contain failed devices.
1.3.0 Added support for RAID 10
1.3.1 Allow device replacement/rebuild for RAID 10
+1.3.2 Fix/improve redundancy checking for RAID10
diff --git a/Makefile b/Makefile
index ecf87b1..b6de2ea 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 7
-SUBLEVEL = 5
+SUBLEVEL = 6
EXTRAVERSION =
NAME = Terrified Chipmunk

diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 4eee351..486a15a 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -246,6 +246,7 @@ __create_page_tables:

/*
* Then map boot params address in r2 if specified.
+ * We map 2 sections in case the ATAGs/DTB crosses a section boundary.
*/
mov r0, r2, lsr #SECTION_SHIFT
movs r0, r0, lsl #SECTION_SHIFT
@@ -253,6 +254,8 @@ __create_page_tables:
addne r3, r3, #PAGE_OFFSET
addne r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER)
orrne r6, r7, r0
+ strne r6, [r3], #1 << PMD_ORDER
+ addne r6, r6, #1 << SECTION_SHIFT
strne r6, [r3]

#ifdef CONFIG_DEBUG_LL
@@ -331,7 +334,7 @@ ENTRY(secondary_startup)
* as it has already been validated by the primary processor.
*/
#ifdef CONFIG_ARM_VIRT_EXT
- bl __hyp_stub_install
+ bl __hyp_stub_install_secondary
#endif
safe_svcmode_maskall r9

diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index 65b2417..1315c4c 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -99,7 +99,7 @@ ENTRY(__hyp_stub_install_secondary)
* immediately.
*/
compare_cpu_mode_with_primary r4, r5, r6, r7
- bxne lr
+ movne pc, lr

/*
* Once we have given up on one CPU, we do not try to install the
@@ -111,7 +111,7 @@ ENTRY(__hyp_stub_install_secondary)
*/

cmp r4, #HYP_MODE
- bxne lr @ give up if the CPU is not in HYP mode
+ movne pc, lr @ give up if the CPU is not in HYP mode

/*
* Configure HSCTLR to set correct exception endianness/instruction set
@@ -120,7 +120,8 @@ ENTRY(__hyp_stub_install_secondary)
* Eventually, CPU-specific code might be needed -- assume not for now
*
* This code relies on the "eret" instruction to synchronize the
- * various coprocessor accesses.
+ * various coprocessor accesses. This is done when we switch to SVC
+ * (see safe_svcmode_maskall).
*/
@ Now install the hypervisor stub:
adr r7, __hyp_stub_vectors
@@ -155,14 +156,7 @@ THUMB( orr r7, #(1 << 30) ) @ HSCTLR.TE
1:
#endif

- bic r7, r4, #MODE_MASK
- orr r7, r7, #SVC_MODE
-THUMB( orr r7, r7, #PSR_T_BIT )
- msr spsr_cxsf, r7 @ This is SPSR_hyp.
-
- __MSR_ELR_HYP(14) @ msr elr_hyp, lr
- __ERET @ return, switching to SVC mode
- @ The boot CPU mode is left in r4.
+ bx lr @ The boot CPU mode is left in r4.
ENDPROC(__hyp_stub_install_secondary)

__hyp_stub_do_trap:
@@ -200,7 +194,7 @@ ENDPROC(__hyp_get_vectors)
@ fall through
ENTRY(__hyp_set_vectors)
__HVC(0)
- bx lr
+ mov pc, lr
ENDPROC(__hyp_set_vectors)

#ifndef ZIMAGE
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 0b32c81..dee51da 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -104,6 +104,8 @@ static void __init soc_detect(u32 dbgu_base)
switch (socid) {
case ARCH_ID_AT91RM9200:
at91_soc_initdata.type = AT91_SOC_RM9200;
+ if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_NONE)
+ at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
at91_boot_soc = at91rm9200_soc;
break;

diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index bfcd397..92bb6b4 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -402,6 +402,12 @@ static struct omap_board_mux board_mux[] __initdata = {
OMAP_PULL_ENA),
OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

+ /* UART2 - BT/FM/GPS shared transport */
+ OMAP4_MUX(UART2_CTS, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
+ OMAP4_MUX(UART2_RTS, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
+ OMAP4_MUX(UART2_RX, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
+ OMAP4_MUX(UART2_TX, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
+
{ .reg_offset = OMAP_MUX_TERMINATOR },
};

diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
index 4e3fe57..cbc1b7b 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
@@ -39,7 +39,7 @@ static struct spi_board_info wm1253_devs[] = {
.bus_num = 0,
.chip_select = 0,
.mode = SPI_MODE_0,
- .irq = S3C_EINT(5),
+ .irq = S3C_EINT(4),
.controller_data = &wm0010_spi_csinfo,
},
};
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 58bc3e4..9cb586f 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -776,25 +776,27 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
size_t size, enum dma_data_direction dir,
void (*op)(const void *, size_t, int))
{
+ unsigned long pfn;
+ size_t left = size;
+
+ pfn = page_to_pfn(page) + offset / PAGE_SIZE;
+ offset %= PAGE_SIZE;
+
/*
* A single sg entry may refer to multiple physically contiguous
* pages. But we still need to process highmem pages individually.
* If highmem is not configured then the bulk of this loop gets
* optimized out.
*/
- size_t left = size;
do {
size_t len = left;
void *vaddr;

+ page = pfn_to_page(pfn);
+
if (PageHighMem(page)) {
- if (len + offset > PAGE_SIZE) {
- if (offset >= PAGE_SIZE) {
- page += offset / PAGE_SIZE;
- offset %= PAGE_SIZE;
- }
+ if (len + offset > PAGE_SIZE)
len = PAGE_SIZE - offset;
- }
vaddr = kmap_high_get(page);
if (vaddr) {
vaddr += offset;
@@ -811,7 +813,7 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
op(vaddr, len, dir);
}
offset = 0;
- page++;
+ pfn++;
left -= len;
} while (left);
}
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index cc926c9..323ce1a 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -22,7 +22,7 @@
@ IRQs disabled.
@
ENTRY(do_vfp)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
add r11, r4, #1 @ increment it
str r11, [r10, #TI_PREEMPT]
@@ -35,7 +35,7 @@ ENTRY(do_vfp)
ENDPROC(do_vfp)

ENTRY(vfp_null_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
@@ -53,7 +53,7 @@ ENDPROC(vfp_null_entry)

__INIT
ENTRY(vfp_testing_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index ea0349f..dd5e56f 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -168,7 +168,7 @@ vfp_hw_state_valid:
@ else it's one 32-bit instruction, so
@ always subtract 4 from the following
@ instruction address.
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
@@ -192,7 +192,7 @@ look_for_VFP_exceptions:
@ not recognised by VFP

DBGSTR "not VFP"
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
get_thread_info r10
ldr r4, [r10, #TI_PREEMPT] @ get preempt count
sub r11, r4, #1 @ decrement it
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 56e0ff0..4262aac 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -668,6 +668,19 @@ resume_kernel:
ld r4,TI_FLAGS(r9)
andi. r0,r4,_TIF_NEED_RESCHED
bne 1b
+
+ /*
+ * arch_local_irq_restore() from preempt_schedule_irq above may
+ * enable hard interrupt but we really should disable interrupts
+ * when we return from the interrupt, and so that we don't get
+ * interrupted after loading SRR0/1.
+ */
+#ifdef CONFIG_PPC_BOOK3E
+ wrteei 0
+#else
+ ld r10,PACAKMSR(r13) /* Get kernel MSR without EE */
+ mtmsrd r10,1 /* Update machine state */
+#endif /* CONFIG_PPC_BOOK3E */
#endif /* CONFIG_PREEMPT */

.globl fast_exc_return_irq
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index ee04aba..f6ba56f 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -39,6 +39,7 @@
#define OP_31_XOP_TRAP 4
#define OP_31_XOP_LWZX 23
#define OP_31_XOP_TRAP_64 68
+#define OP_31_XOP_DCBF 86
#define OP_31_XOP_LBZX 87
#define OP_31_XOP_STWX 151
#define OP_31_XOP_STBX 215
@@ -353,6 +354,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
kvmppc_set_exit_type(vcpu, EMULATED_MTSPR_EXITS);
break;

+ case OP_31_XOP_DCBF:
case OP_31_XOP_DCBI:
/* Do nothing. The guest is performing dcbi because
* hardware DMA is not snooped by the dcache, but
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 2d3b7cb..80d44ff 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1365,6 +1365,18 @@ static inline void pmdp_invalidate(struct vm_area_struct *vma,
__pmd_idte(address, pmdp);
}

+#define __HAVE_ARCH_PMDP_SET_WRPROTECT
+static inline void pmdp_set_wrprotect(struct mm_struct *mm,
+ unsigned long address, pmd_t *pmdp)
+{
+ pmd_t pmd = *pmdp;
+
+ if (pmd_write(pmd)) {
+ __pmd_idte(address, pmdp);
+ set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd));
+ }
+}
+
static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
{
pmd_t __pmd;
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index e87b0ca..ccae7e2 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -316,10 +316,9 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
* Once we've found a GOP supporting ConOut,
* don't bother looking any further.
*/
+ first_gop = gop;
if (conout_found)
break;
-
- first_gop = gop;
}
}

diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index aa4aaf1..ccb2f4a 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -50,8 +50,10 @@ ENTRY(startup_32)
pushl %eax
pushl %esi
pushl %ecx
+ sub $0x4, %esp

.org 0x30,0x90
+ add $0x4, %esp
call efi_main
cmpl $0, %eax
movl %eax, %esi
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 6e8fdf5..28677c5 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -94,6 +94,7 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
#endif /* CONFIG_X86_32 */

extern int add_efi_memmap;
+extern unsigned long x86_efi_facility;
extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
extern int efi_memblock_x86_reserve_range(void);
extern void efi_call_phys_prelog(void);
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index a7c5661..4929502 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -174,6 +174,9 @@ static int msr_open(struct inode *inode, struct file *file)
unsigned int cpu;
struct cpuinfo_x86 *c;

+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+
cpu = iminor(file->f_path.dentry->d_inode);
if (cpu >= nr_cpu_ids || !cpu_online(cpu))
return -ENXIO; /* No such CPU */
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 4e8ba39..76fa1e9 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -584,7 +584,7 @@ static void native_machine_emergency_restart(void)
break;

case BOOT_EFI:
- if (efi_enabled)
+ if (efi_enabled(EFI_RUNTIME_SERVICES))
efi.reset_system(reboot_mode ?
EFI_RESET_WARM :
EFI_RESET_COLD,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 86c524c..aeacb0e 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -616,6 +616,7 @@ static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;

static bool __init snb_gfx_workaround_needed(void)
{
+#ifdef CONFIG_PCI
int i;
u16 vendor, devid;
static const u16 snb_ids[] = {
@@ -640,6 +641,7 @@ static bool __init snb_gfx_workaround_needed(void)
for (i = 0; i < ARRAY_SIZE(snb_ids); i++)
if (devid == snb_ids[i])
return true;
+#endif

return false;
}
@@ -809,15 +811,15 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_EFI
if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
"EL32", 4)) {
- efi_enabled = 1;
- efi_64bit = false;
+ set_bit(EFI_BOOT, &x86_efi_facility);
} else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
"EL64", 4)) {
- efi_enabled = 1;
- efi_64bit = true;
+ set_bit(EFI_BOOT, &x86_efi_facility);
+ set_bit(EFI_64BIT, &x86_efi_facility);
}
- if (efi_enabled && efi_memblock_x86_reserve_range())
- efi_enabled = 0;
+
+ if (efi_enabled(EFI_BOOT))
+ efi_memblock_x86_reserve_range();
#endif

x86_init.oem.arch_setup();
@@ -890,7 +892,7 @@ void __init setup_arch(char **cmdline_p)

finish_e820_parsing();

- if (efi_enabled)
+ if (efi_enabled(EFI_BOOT))
efi_init();

dmi_scan_machine();
@@ -973,7 +975,7 @@ void __init setup_arch(char **cmdline_p)
* The EFI specification says that boot service code won't be called
* after ExitBootServices(). This is, in fact, a lie.
*/
- if (efi_enabled)
+ if (efi_enabled(EFI_MEMMAP))
efi_reserve_boot_services();

/* preallocate 4k for mptable mpc */
@@ -1112,7 +1114,7 @@ void __init setup_arch(char **cmdline_p)

#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
- if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+ if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
conswitchp = &vga_con;
#elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
@@ -1129,14 +1131,14 @@ void __init setup_arch(char **cmdline_p)
register_refined_jiffies(CLOCK_TICK_RATE);

#ifdef CONFIG_EFI
- /* Once setup is done above, disable efi_enabled on mismatched
- * firmware/kernel archtectures since there is no support for
- * runtime services.
+ /* Once setup is done above, unmap the EFI memory map on
+ * mismatched firmware/kernel archtectures since there is no
+ * support for runtime services.
*/
- if (efi_enabled && IS_ENABLED(CONFIG_X86_64) != efi_64bit) {
+ if (efi_enabled(EFI_BOOT) &&
+ IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)) {
pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n");
efi_unmap_memmap();
- efi_enabled = 0;
}
#endif
}
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index ad44391..77cf009 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -51,9 +51,6 @@

#define EFI_DEBUG 1

-int efi_enabled;
-EXPORT_SYMBOL(efi_enabled);
-
struct efi __read_mostly efi = {
.mps = EFI_INVALID_TABLE_ADDR,
.acpi = EFI_INVALID_TABLE_ADDR,
@@ -69,19 +66,28 @@ EXPORT_SYMBOL(efi);

struct efi_memory_map memmap;

-bool efi_64bit;
-
static struct efi efi_phys __initdata;
static efi_system_table_t efi_systab __initdata;

static inline bool efi_is_native(void)
{
- return IS_ENABLED(CONFIG_X86_64) == efi_64bit;
+ return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
+}
+
+unsigned long x86_efi_facility;
+
+/*
+ * Returns 1 if 'facility' is enabled, 0 otherwise.
+ */
+int efi_enabled(int facility)
+{
+ return test_bit(facility, &x86_efi_facility) != 0;
}
+EXPORT_SYMBOL(efi_enabled);

static int __init setup_noefi(char *arg)
{
- efi_enabled = 0;
+ clear_bit(EFI_BOOT, &x86_efi_facility);
return 0;
}
early_param("noefi", setup_noefi);
@@ -426,6 +432,7 @@ void __init efi_reserve_boot_services(void)

void __init efi_unmap_memmap(void)
{
+ clear_bit(EFI_MEMMAP, &x86_efi_facility);
if (memmap.map) {
early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
memmap.map = NULL;
@@ -460,7 +467,7 @@ void __init efi_free_boot_services(void)

static int __init efi_systab_init(void *phys)
{
- if (efi_64bit) {
+ if (efi_enabled(EFI_64BIT)) {
efi_system_table_64_t *systab64;
u64 tmp = 0;

@@ -552,7 +559,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
void *config_tables, *tablep;
int i, sz;

- if (efi_64bit)
+ if (efi_enabled(EFI_64BIT))
sz = sizeof(efi_config_table_64_t);
else
sz = sizeof(efi_config_table_32_t);
@@ -572,7 +579,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
efi_guid_t guid;
unsigned long table;

- if (efi_64bit) {
+ if (efi_enabled(EFI_64BIT)) {
u64 table64;
guid = ((efi_config_table_64_t *)tablep)->guid;
table64 = ((efi_config_table_64_t *)tablep)->table;
@@ -684,7 +691,6 @@ void __init efi_init(void)
if (boot_params.efi_info.efi_systab_hi ||
boot_params.efi_info.efi_memmap_hi) {
pr_info("Table located above 4GB, disabling EFI.\n");
- efi_enabled = 0;
return;
}
efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab;
@@ -694,10 +700,10 @@ void __init efi_init(void)
((__u64)boot_params.efi_info.efi_systab_hi<<32));
#endif

- if (efi_systab_init(efi_phys.systab)) {
- efi_enabled = 0;
+ if (efi_systab_init(efi_phys.systab))
return;
- }
+
+ set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);

/*
* Show what we know for posterity
@@ -715,10 +721,10 @@ void __init efi_init(void)
efi.systab->hdr.revision >> 16,
efi.systab->hdr.revision & 0xffff, vendor);

- if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) {
- efi_enabled = 0;
+ if (efi_config_init(efi.systab->tables, efi.systab->nr_tables))
return;
- }
+
+ set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);

/*
* Note: We currently don't support runtime services on an EFI
@@ -727,15 +733,17 @@ void __init efi_init(void)

if (!efi_is_native())
pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n");
- else if (efi_runtime_init()) {
- efi_enabled = 0;
- return;
+ else {
+ if (efi_runtime_init())
+ return;
+ set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
}

- if (efi_memmap_init()) {
- efi_enabled = 0;
+ if (efi_memmap_init())
return;
- }
+
+ set_bit(EFI_MEMMAP, &x86_efi_facility);
+
#ifdef CONFIG_X86_32
if (efi_is_native()) {
x86_platform.get_wallclock = efi_get_time;
@@ -941,7 +949,7 @@ void __init efi_enter_virtual_mode(void)
*
* Call EFI services through wrapper functions.
*/
- efi.runtime_version = efi_systab.fw_revision;
+ efi.runtime_version = efi_systab.hdr.revision;
efi.get_time = virt_efi_get_time;
efi.set_time = virt_efi_set_time;
efi.get_wakeup_time = virt_efi_get_wakeup_time;
@@ -969,6 +977,9 @@ u32 efi_mem_type(unsigned long phys_addr)
efi_memory_desc_t *md;
void *p;

+ if (!efi_enabled(EFI_MEMMAP))
+ return 0;
+
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
md = p;
if ((md->phys_addr <= phys_addr) &&
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 95fd505..2b20038 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -38,7 +38,7 @@
#include <asm/cacheflush.h>
#include <asm/fixmap.h>

-static pgd_t save_pgd __initdata;
+static pgd_t *save_pgd __initdata;
static unsigned long efi_flags __initdata;

static void __init early_code_mapping_set_exec(int executable)
@@ -61,12 +61,20 @@ static void __init early_code_mapping_set_exec(int executable)
void __init efi_call_phys_prelog(void)
{
unsigned long vaddress;
+ int pgd;
+ int n_pgds;

early_code_mapping_set_exec(1);
local_irq_save(efi_flags);
- vaddress = (unsigned long)__va(0x0UL);
- save_pgd = *pgd_offset_k(0x0UL);
- set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
+
+ n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE);
+ save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL);
+
+ for (pgd = 0; pgd < n_pgds; pgd++) {
+ save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE);
+ vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
+ set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
+ }
__flush_tlb_all();
}

@@ -75,7 +83,11 @@ void __init efi_call_phys_epilog(void)
/*
* After the lock is released, the original page table is restored.
*/
- set_pgd(pgd_offset_k(0x0UL), save_pgd);
+ int pgd;
+ int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
+ for (pgd = 0; pgd < n_pgds; pgd++)
+ set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
+ kfree(save_pgd);
__flush_tlb_all();
local_irq_restore(efi_flags);
early_code_mapping_set_exec(0);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 9eaf708..251435a 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -250,7 +250,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void)
return acpi_rsdp;
#endif

- if (efi_enabled) {
+ if (efi_enabled(EFI_CONFIG_TABLES)) {
if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
return efi.acpi20;
else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index e164c55..1bfb207 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -256,7 +256,7 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj,
struct edac_pci_dev_attribute *edac_pci_dev;
edac_pci_dev = (struct edac_pci_dev_attribute *)attr;

- if (edac_pci_dev->show)
+ if (edac_pci_dev->store)
return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
return -EIO;
}
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index fd3ae62..982f1f5 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -471,7 +471,7 @@ void __init dmi_scan_machine(void)
char __iomem *p, *q;
int rc;

- if (efi_enabled) {
+ if (efi_enabled(EFI_CONFIG_TABLES)) {
if (efi.smbios == EFI_INVALID_TABLE_ADDR)
goto error;

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index d10c987..bfd8f43 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -1224,7 +1224,7 @@ efivars_init(void)
printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
EFIVARS_DATE);

- if (!efi_enabled)
+ if (!efi_enabled(EFI_RUNTIME_SERVICES))
return 0;

/* For now we'll register the efi directory at /sys/firmware/efi */
@@ -1262,7 +1262,7 @@ err_put:
static void __exit
efivars_exit(void)
{
- if (efi_enabled) {
+ if (efi_enabled(EFI_RUNTIME_SERVICES)) {
unregister_efivars(&__efivars);
kobject_put(efi_kobj);
}
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index 4da4eb9..2224f1d 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -99,7 +99,7 @@ unsigned long __init find_ibft_region(unsigned long *sizep)
/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
* only use ACPI for this */

- if (!efi_enabled)
+ if (!efi_enabled(EFI_BOOT))
find_ibft_in_mem();

if (ibft_addr) {
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index da21b11..3a1a495 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -30,6 +30,7 @@
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include <generated/utsrelease.h>
#include <drm/drmP.h>
#include "intel_drv.h"
#include "intel_ringbuffer.h"
@@ -687,6 +688,7 @@ static int i915_error_state(struct seq_file *m, void *unused)

seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
error->time.tv_usec);
+ seq_printf(m, "Kernel: " UTS_RELEASE);
seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
seq_printf(m, "EIR: 0x%08x\n", error->eir);
seq_printf(m, "IER: 0x%08x\n", error->ier);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ecec134..3a43405 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -527,6 +527,7 @@
#define MI_MODE 0x0209c
# define VS_TIMER_DISPATCH (1 << 6)
# define MI_FLUSH_ENABLE (1 << 12)
+# define ASYNC_FLIP_PERF_DISABLE (1 << 14)

#define GEN6_GT_MODE 0x20d0
#define GEN6_GT_MODE_HI (1 << 9)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e87fa47..4e6a2b2 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4018,7 +4018,8 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");

I915_WRITE_NOTRACE(FORCEWAKE, 1);
- POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */
+ /* something from same cacheline, but !FORCEWAKE */
+ POSTING_READ(ECOBUS);

if (wait_for_atomic((I915_READ_NOTRACE(forcewake_ack) & 1),
FORCEWAKE_ACK_TIMEOUT_MS))
@@ -4041,7 +4042,8 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");

I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(1));
- POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */
+ /* something from same cacheline, but !FORCEWAKE */
+ POSTING_READ(ECOBUS);

if (wait_for_atomic((I915_READ_NOTRACE(forcewake_ack) & 1),
FORCEWAKE_ACK_TIMEOUT_MS))
@@ -4078,14 +4080,16 @@ void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv)
static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE, 0);
- /* gen6_gt_check_fifodbg doubles as the POSTING_READ */
+ /* something from same cacheline, but !FORCEWAKE */
+ POSTING_READ(ECOBUS);
gen6_gt_check_fifodbg(dev_priv);
}

static void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(1));
- /* gen6_gt_check_fifodbg doubles as the POSTING_READ */
+ /* something from same cacheline, but !FORCEWAKE_MT */
+ POSTING_READ(ECOBUS);
gen6_gt_check_fifodbg(dev_priv);
}

@@ -4140,7 +4144,8 @@ static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
static void vlv_force_wake_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(1));
- /* The below doubles as a POSTING_READ */
+ /* something from same cacheline, but !FORCEWAKE_VLV */
+ POSTING_READ(FORCEWAKE_ACK_VLV);
gen6_gt_check_fifodbg(dev_priv);
}

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ecbc5c5..4b33f2d 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -505,13 +505,25 @@ static int init_render_ring(struct intel_ring_buffer *ring)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret = init_ring_common(ring);

- if (INTEL_INFO(dev)->gen > 3) {
+ if (INTEL_INFO(dev)->gen > 3)
I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH));
- if (IS_GEN7(dev))
- I915_WRITE(GFX_MODE_GEN7,
- _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
- _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
- }
+
+ /* We need to disable the AsyncFlip performance optimisations in order
+ * to use MI_WAIT_FOR_EVENT within the CS. It should already be
+ * programmed to '1' on all products.
+ */
+ if (INTEL_INFO(dev)->gen >= 6)
+ I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
+
+ /* Required for the hardware to program scanline values for waiting */
+ if (INTEL_INFO(dev)->gen == 6)
+ I915_WRITE(GFX_MODE,
+ _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
+
+ if (IS_GEN7(dev))
+ I915_WRITE(GFX_MODE_GEN7,
+ _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+ _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));

if (INTEL_INFO(dev)->gen >= 5) {
ret = init_pipe_control(ring);
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index dc8d15a..e797080 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -271,8 +271,10 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
p->chunks[p->chunk_ib_idx].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (p->chunks[p->chunk_ib_idx].kpage[0] == NULL ||
p->chunks[p->chunk_ib_idx].kpage[1] == NULL) {
- kfree(p->chunks[i].kpage[0]);
- kfree(p->chunks[i].kpage[1]);
+ kfree(p->chunks[p->chunk_ib_idx].kpage[0]);
+ kfree(p->chunks[p->chunk_ib_idx].kpage[1]);
+ p->chunks[p->chunk_ib_idx].kpage[0] = NULL;
+ p->chunks[p->chunk_ib_idx].kpage[1] = NULL;
return -ENOMEM;
}
}
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 0fe56c9..cd1f151 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -240,7 +240,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
y = 0;
}

- if (ASIC_IS_AVIVO(rdev)) {
+ /* fixed on DCE6 and newer */
+ if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
int i = 0;
struct drm_crtc *crtc_p;

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index ad4c973..008d645 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -429,7 +429,8 @@ bool radeon_card_posted(struct radeon_device *rdev)
{
uint32_t reg;

- if (efi_enabled && rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
+ if (efi_enabled(EFI_BOOT) &&
+ rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
return false;

/* first check CRTCs */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 2bddddd..6477849 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1118,7 +1118,7 @@ radeon_user_framebuffer_create(struct drm_device *dev,
if (ret) {
kfree(radeon_fb);
drm_gem_object_unreference_unlocked(obj);
- return NULL;
+ return ERR_PTR(ret);
}

return &radeon_fb->base;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1ef9a9e..7a845c0 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -305,6 +305,9 @@
#define USB_VENDOR_ID_EZKEY 0x0518
#define USB_DEVICE_ID_BTC_8193 0x0002

+#define USB_VENDOR_ID_FORMOSA 0x147a
+#define USB_DEVICE_ID_FORMOSA_IR_RECEIVER 0xe03e
+
#define USB_VENDOR_ID_FREESCALE 0x15A2
#define USB_DEVICE_ID_FREESCALE_MX28 0x004F

diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 0a1429f..29736e9 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -70,6 +70,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 81837b0..faf10ba 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -975,6 +975,38 @@ static void __init free_iommu_all(void)
}

/*
+ * Family15h Model 10h-1fh erratum 746 (IOMMU Logging May Stall Translations)
+ * Workaround:
+ * BIOS should disable L2B micellaneous clock gating by setting
+ * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
+ */
+static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
+{
+ u32 value;
+
+ if ((boot_cpu_data.x86 != 0x15) ||
+ (boot_cpu_data.x86_model < 0x10) ||
+ (boot_cpu_data.x86_model > 0x1f))
+ return;
+
+ pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+ pci_read_config_dword(iommu->dev, 0xf4, &value);
+
+ if (value & BIT(2))
+ return;
+
+ /* Select NB indirect register 0x90 and enable writing */
+ pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8));
+
+ pci_write_config_dword(iommu->dev, 0xf4, value | 0x4);
+ pr_info("AMD-Vi: Applying erratum 746 workaround for IOMMU at %s\n",
+ dev_name(&iommu->dev->dev));
+
+ /* Clear the enable writing bit */
+ pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+}
+
+/*
* This function clues the initialization function for one IOMMU
* together and also allocates the command buffer and programs the
* hardware. It does NOT enable the IOMMU. This is done afterwards.
@@ -1172,6 +1204,8 @@ static int iommu_init_pci(struct amd_iommu *iommu)
iommu->stored_l2[i] = iommu_read_l2(iommu, i);
}

+ amd_iommu_erratum_746_workaround(iommu);
+
return pci_enable_device(iommu->dev);
}

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c2c07a4..be3d7dd 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4234,6 +4234,21 @@ static struct iommu_ops intel_iommu_ops = {
.pgsize_bitmap = INTEL_IOMMU_PGSIZES,
};

+static void __devinit quirk_iommu_g4x_gfx(struct pci_dev *dev)
+{
+ /* G4x/GM45 integrated gfx dmar support is totally busted. */
+ printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
+ dmar_map_gfx = 0;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_g4x_gfx);
+
static void __devinit quirk_iommu_rwbf(struct pci_dev *dev)
{
/*
@@ -4242,12 +4257,6 @@ static void __devinit quirk_iommu_rwbf(struct pci_dev *dev)
*/
printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n");
rwbf_quirk = 1;
-
- /* https://bugzilla.redhat.com/show_bug.cgi?id=538163 */
- if (dev->revision == 0x07) {
- printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
- dmar_map_gfx = 0;
- }
}

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_rwbf);
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 45d94a7..3235723 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -338,24 +338,22 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size)
}

/*
- * validate_rebuild_devices
+ * validate_raid_redundancy
* @rs
*
- * Determine if the devices specified for rebuild can result in a valid
- * usable array that is capable of rebuilding the given devices.
+ * Determine if there are enough devices in the array that haven't
+ * failed (or are being rebuilt) to form a usable array.
*
* Returns: 0 on success, -EINVAL on failure.
*/
-static int validate_rebuild_devices(struct raid_set *rs)
+static int validate_raid_redundancy(struct raid_set *rs)
{
unsigned i, rebuild_cnt = 0;
unsigned rebuilds_per_group, copies, d;

- if (!(rs->print_flags & DMPF_REBUILD))
- return 0;
-
for (i = 0; i < rs->md.raid_disks; i++)
- if (!test_bit(In_sync, &rs->dev[i].rdev.flags))
+ if (!test_bit(In_sync, &rs->dev[i].rdev.flags) ||
+ !rs->dev[i].rdev.sb_page)
rebuild_cnt++;

switch (rs->raid_type->level) {
@@ -391,27 +389,24 @@ static int validate_rebuild_devices(struct raid_set *rs)
* A A B B C
* C D D E E
*/
- rebuilds_per_group = 0;
for (i = 0; i < rs->md.raid_disks * copies; i++) {
+ if (!(i % copies))
+ rebuilds_per_group = 0;
d = i % rs->md.raid_disks;
- if (!test_bit(In_sync, &rs->dev[d].rdev.flags) &&
+ if ((!rs->dev[d].rdev.sb_page ||
+ !test_bit(In_sync, &rs->dev[d].rdev.flags)) &&
(++rebuilds_per_group >= copies))
goto too_many;
- if (!((i + 1) % copies))
- rebuilds_per_group = 0;
}
break;
default:
- DMERR("The rebuild parameter is not supported for %s",
- rs->raid_type->name);
- rs->ti->error = "Rebuild not supported for this RAID type";
- return -EINVAL;
+ if (rebuild_cnt)
+ return -EINVAL;
}

return 0;

too_many:
- rs->ti->error = "Too many rebuild devices specified";
return -EINVAL;
}

@@ -662,9 +657,6 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
}
rs->md.dev_sectors = sectors_per_dev;

- if (validate_rebuild_devices(rs))
- return -EINVAL;
-
/* Assume there are no metadata devices until the drives are parsed */
rs->md.persistent = 0;
rs->md.external = 1;
@@ -993,28 +985,10 @@ static int super_validate(struct mddev *mddev, struct md_rdev *rdev)
static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
{
int ret;
- unsigned redundancy = 0;
struct raid_dev *dev;
struct md_rdev *rdev, *tmp, *freshest;
struct mddev *mddev = &rs->md;

- switch (rs->raid_type->level) {
- case 1:
- redundancy = rs->md.raid_disks - 1;
- break;
- case 4:
- case 5:
- case 6:
- redundancy = rs->raid_type->parity_devs;
- break;
- case 10:
- redundancy = raid10_md_layout_to_copies(mddev->layout) - 1;
- break;
- default:
- ti->error = "Unknown RAID type";
- return -EINVAL;
- }
-
freshest = NULL;
rdev_for_each_safe(rdev, tmp, mddev) {
/*
@@ -1043,44 +1017,43 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
break;
default:
dev = container_of(rdev, struct raid_dev, rdev);
- if (redundancy--) {
- if (dev->meta_dev)
- dm_put_device(ti, dev->meta_dev);
-
- dev->meta_dev = NULL;
- rdev->meta_bdev = NULL;
+ if (dev->meta_dev)
+ dm_put_device(ti, dev->meta_dev);

- if (rdev->sb_page)
- put_page(rdev->sb_page);
+ dev->meta_dev = NULL;
+ rdev->meta_bdev = NULL;

- rdev->sb_page = NULL;
+ if (rdev->sb_page)
+ put_page(rdev->sb_page);

- rdev->sb_loaded = 0;
+ rdev->sb_page = NULL;

- /*
- * We might be able to salvage the data device
- * even though the meta device has failed. For
- * now, we behave as though '- -' had been
- * set for this device in the table.
- */
- if (dev->data_dev)
- dm_put_device(ti, dev->data_dev);
+ rdev->sb_loaded = 0;

- dev->data_dev = NULL;
- rdev->bdev = NULL;
+ /*
+ * We might be able to salvage the data device
+ * even though the meta device has failed. For
+ * now, we behave as though '- -' had been
+ * set for this device in the table.
+ */
+ if (dev->data_dev)
+ dm_put_device(ti, dev->data_dev);

- list_del(&rdev->same_set);
+ dev->data_dev = NULL;
+ rdev->bdev = NULL;

- continue;
- }
- ti->error = "Failed to load superblock";
- return ret;
+ list_del(&rdev->same_set);
}
}

if (!freshest)
return 0;

+ if (validate_raid_redundancy(rs)) {
+ rs->ti->error = "Insufficient redundancy to activate array";
+ return -EINVAL;
+ }
+
/*
* Validation of the freshest device provides the source of
* validation for the remaining devices.
@@ -1430,7 +1403,7 @@ static void raid_resume(struct dm_target *ti)

static struct target_type raid_target = {
.name = "raid",
- .version = {1, 3, 1},
+ .version = {1, 3, 2},
.module = THIS_MODULE,
.ctr = raid_ctr,
.dtr = raid_dtr,
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index 8f4c853..4678156 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -219,25 +219,18 @@ static void tc3589x_irq_unmap(struct irq_domain *d, unsigned int virq)
}

static struct irq_domain_ops tc3589x_irq_ops = {
- .map = tc3589x_irq_map,
+ .map = tc3589x_irq_map,
.unmap = tc3589x_irq_unmap,
- .xlate = irq_domain_xlate_twocell,
+ .xlate = irq_domain_xlate_twocell,
};

static int tc3589x_irq_init(struct tc3589x *tc3589x, struct device_node *np)
{
int base = tc3589x->irq_base;

- if (base) {
- tc3589x->domain = irq_domain_add_legacy(
- NULL, TC3589x_NR_INTERNAL_IRQS, base,
- 0, &tc3589x_irq_ops, tc3589x);
- }
- else {
- tc3589x->domain = irq_domain_add_linear(
- np, TC3589x_NR_INTERNAL_IRQS,
- &tc3589x_irq_ops, tc3589x);
- }
+ tc3589x->domain = irq_domain_add_simple(
+ np, TC3589x_NR_INTERNAL_IRQS, base,
+ &tc3589x_irq_ops, tc3589x);

if (!tc3589x->domain) {
dev_err(tc3589x->dev, "Failed to create irqdomain\n");
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index e5180df..3391bdd 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -954,7 +954,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
break;
case LEC_ACK_ERROR:
netdev_dbg(dev, "ack error\n");
- cf->data[2] |= (CAN_ERR_PROT_LOC_ACK |
+ cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
CAN_ERR_PROT_LOC_ACK_DEL);
break;
case LEC_BIT1_ERROR:
@@ -967,7 +967,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
break;
case LEC_CRC_ERROR:
netdev_dbg(dev, "CRC error\n");
- cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
+ cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL);
break;
default:
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index 48b3d62..7a43d4d 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -560,7 +560,7 @@ static void pch_can_error(struct net_device *ndev, u32 status)
stats->rx_errors++;
break;
case PCH_CRC_ERR:
- cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+ cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
priv->can.can_stats.bus_error++;
stats->rx_errors++;
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 9ded21e..44996a9 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -746,12 +746,12 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
}
if (err_status & HECC_CANES_CRCE) {
hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
- cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+ cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
CAN_ERR_PROT_LOC_CRC_DEL;
}
if (err_status & HECC_CANES_ACKE) {
hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
- cf->data[2] |= CAN_ERR_PROT_LOC_ACK |
+ cf->data[3] |= CAN_ERR_PROT_LOC_ACK |
CAN_ERR_PROT_LOC_ACK_DEL;
}
}
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 759f5f5..8a38ff2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -588,30 +588,17 @@ static void ar9003_hw_init_bb(struct ath_hw *ah,

static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
{
- switch (rx) {
- case 0x5:
+ if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5)
REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
AR_PHY_SWAP_ALT_CHAIN);
- case 0x3:
- case 0x1:
- case 0x2:
- case 0x7:
- REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
- REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
- break;
- default:
- break;
- }
+
+ REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
+ REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);

if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))
- REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
- else
- REG_WRITE(ah, AR_SELFGEN_MASK, tx);
+ tx = 3;

- if (tx == 0x5) {
- REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
- AR_PHY_SWAP_ALT_CHAIN);
- }
+ REG_WRITE(ah, AR_SELFGEN_MASK, tx);
}

/*
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index dfe6a47..d7897dcf 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -315,7 +315,6 @@ struct ath_rx {
u32 *rxlink;
u32 num_pkts;
unsigned int rxfilter;
- spinlock_t rxbuflock;
struct list_head rxbuf;
struct ath_descdma rxdma;
struct ath_buf *rx_bufptr;
@@ -326,7 +325,6 @@ struct ath_rx {

int ath_startrecv(struct ath_softc *sc);
bool ath_stoprecv(struct ath_softc *sc);
-void ath_flushrecv(struct ath_softc *sc);
u32 ath_calcrxfilter(struct ath_softc *sc);
int ath_rx_init(struct ath_softc *sc, int nbufs);
void ath_rx_cleanup(struct ath_softc *sc);
@@ -630,7 +628,6 @@ void ath_ant_comb_update(struct ath_softc *sc);
enum sc_op_flags {
SC_OP_INVALID,
SC_OP_BEACONS,
- SC_OP_RXFLUSH,
SC_OP_ANI_RUN,
SC_OP_PRIM_STA_VIF,
SC_OP_HW_RESET,
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 1b48414..4b2dabf 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -147,6 +147,7 @@ static struct ath_buf *ath9k_beacon_generate(struct ieee80211_hw *hw,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);
bf->bf_buf_addr = 0;
+ bf->bf_mpdu = NULL;
}

skb = ieee80211_beacon_get(hw, vif);
@@ -359,7 +360,6 @@ void ath9k_beacon_tasklet(unsigned long data)
return;

bf = ath9k_beacon_generate(sc->hw, vif);
- WARN_ON(!bf);

if (sc->beacon.bmisscnt != 0) {
ath_dbg(common, BSTUCK, "resume beacon xmit after %u misses\n",
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 6727b56..774e95b 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -973,7 +973,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
RXS_ERR("RX-LENGTH-ERR", rx_len_err);
RXS_ERR("RX-OOM-ERR", rx_oom_err);
RXS_ERR("RX-RATE-ERR", rx_rate_err);
- RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);

PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 2ed9785..b9d95c7 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -200,7 +200,6 @@ struct ath_tx_stats {
* @rx_oom_err: No. of frames dropped due to OOM issues.
* @rx_rate_err: No. of frames dropped due to rate errors.
* @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
- * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
* @rx_beacons: No. of beacons received.
* @rx_frags: No. of rx-fragements received.
*/
@@ -219,7 +218,6 @@ struct ath_rx_stats {
u32 rx_oom_err;
u32 rx_rate_err;
u32 rx_too_many_frags_err;
- u32 rx_drop_rxflush;
u32 rx_beacons;
u32 rx_frags;
};
diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c
index 4a9570d..aac4a40 100644
--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
@@ -344,6 +344,8 @@ void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
endpoint->ep_callbacks.tx(endpoint->ep_callbacks.priv,
skb, htc_hdr->endpoint_id,
txok);
+ } else {
+ kfree_skb(skb);
}
}

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index dd45edf..6962c8a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -181,7 +181,7 @@ static void ath_restart_work(struct ath_softc *sc)
ath_start_ani(sc);
}

-static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
+static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx)
{
struct ath_hw *ah = sc->sc_ah;
bool ret = true;
@@ -201,14 +201,6 @@ static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
if (!ath_drain_all_txq(sc, retry_tx))
ret = false;

- if (!flush) {
- if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
- ath_rx_tasklet(sc, 1, true);
- ath_rx_tasklet(sc, 1, false);
- } else {
- ath_flushrecv(sc);
- }
-
return ret;
}

@@ -261,11 +253,11 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_cal_data *caldata = NULL;
bool fastcc = true;
- bool flush = false;
int r;

__ath_cancel_work(sc);

+ tasklet_disable(&sc->intr_tq);
spin_lock_bh(&sc->sc_pcu_lock);

if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) {
@@ -275,11 +267,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,

if (!hchan) {
fastcc = false;
- flush = true;
hchan = ah->curchan;
}

- if (!ath_prepare_reset(sc, retry_tx, flush))
+ if (!ath_prepare_reset(sc, retry_tx))
fastcc = false;

ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
@@ -297,6 +288,8 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,

out:
spin_unlock_bh(&sc->sc_pcu_lock);
+ tasklet_enable(&sc->intr_tq);
+
return r;
}

@@ -816,7 +809,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
}

- ath_prepare_reset(sc, false, true);
+ ath_prepare_reset(sc, false);

if (sc->rx.frag) {
dev_kfree_skb_any(sc->rx.frag);
@@ -1837,6 +1830,9 @@ static u32 fill_chainmask(u32 cap, u32 new)

static bool validate_antenna_mask(struct ath_hw *ah, u32 val)
{
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ return true;
+
switch (val & 0x7) {
case 0x1:
case 0x3:
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 83d16e7..4919d68 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -254,8 +254,6 @@ rx_init_fail:

static void ath_edma_start_recv(struct ath_softc *sc)
{
- spin_lock_bh(&sc->rx.rxbuflock);
-
ath9k_hw_rxena(sc->sc_ah);

ath_rx_addbuffer_edma(sc, ATH9K_RX_QUEUE_HP,
@@ -267,8 +265,6 @@ static void ath_edma_start_recv(struct ath_softc *sc)
ath_opmode_init(sc);

ath9k_hw_startpcureceive(sc->sc_ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL));
-
- spin_unlock_bh(&sc->rx.rxbuflock);
}

static void ath_edma_stop_recv(struct ath_softc *sc)
@@ -285,8 +281,6 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
int error = 0;

spin_lock_init(&sc->sc_pcu_lock);
- spin_lock_init(&sc->rx.rxbuflock);
- clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);

common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 +
sc->sc_ah->caps.rx_status_len;
@@ -447,7 +441,6 @@ int ath_startrecv(struct ath_softc *sc)
return 0;
}

- spin_lock_bh(&sc->rx.rxbuflock);
if (list_empty(&sc->rx.rxbuf))
goto start_recv;

@@ -468,26 +461,31 @@ start_recv:
ath_opmode_init(sc);
ath9k_hw_startpcureceive(ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL));

- spin_unlock_bh(&sc->rx.rxbuflock);
-
return 0;
}

+static void ath_flushrecv(struct ath_softc *sc)
+{
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+ ath_rx_tasklet(sc, 1, true);
+ ath_rx_tasklet(sc, 1, false);
+}
+
bool ath_stoprecv(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
bool stopped, reset = false;

- spin_lock_bh(&sc->rx.rxbuflock);
ath9k_hw_abortpcurecv(ah);
ath9k_hw_setrxfilter(ah, 0);
stopped = ath9k_hw_stopdmarecv(ah, &reset);

+ ath_flushrecv(sc);
+
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
ath_edma_stop_recv(sc);
else
sc->rx.rxlink = NULL;
- spin_unlock_bh(&sc->rx.rxbuflock);

if (!(ah->ah_flags & AH_UNPLUGGED) &&
unlikely(!stopped)) {
@@ -499,15 +497,6 @@ bool ath_stoprecv(struct ath_softc *sc)
return stopped && !reset;
}

-void ath_flushrecv(struct ath_softc *sc)
-{
- set_bit(SC_OP_RXFLUSH, &sc->sc_flags);
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
- ath_rx_tasklet(sc, 1, true);
- ath_rx_tasklet(sc, 1, false);
- clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
-}
-
static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
{
/* Check whether the Beacon frame has DTIM indicating buffered bc/mc */
@@ -744,6 +733,7 @@ static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
return NULL;
}

+ list_del(&bf->list);
if (!bf->bf_mpdu)
return bf;

@@ -1059,16 +1049,12 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
dma_type = DMA_FROM_DEVICE;

qtype = hp ? ATH9K_RX_QUEUE_HP : ATH9K_RX_QUEUE_LP;
- spin_lock_bh(&sc->rx.rxbuflock);

tsf = ath9k_hw_gettsf64(ah);
tsf_lower = tsf & 0xffffffff;

do {
bool decrypt_error = false;
- /* If handling rx interrupt and flush is in progress => exit */
- if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags) && (flush == 0))
- break;

memset(&rs, 0, sizeof(rs));
if (edma)
@@ -1108,15 +1094,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
sc->rx.num_pkts++;
ath_debug_stat_rx(sc, &rs);

- /*
- * If we're asked to flush receive queue, directly
- * chain it back at the queue without processing it.
- */
- if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags)) {
- RX_STAT_INC(rx_drop_rxflush);
- goto requeue_drop_frag;
- }
-
memset(rxs, 0, sizeof(struct ieee80211_rx_status));

rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
@@ -1251,19 +1228,18 @@ requeue_drop_frag:
sc->rx.frag = NULL;
}
requeue:
+ list_add_tail(&bf->list, &sc->rx.rxbuf);
+ if (flush)
+ continue;
+
if (edma) {
- list_add_tail(&bf->list, &sc->rx.rxbuf);
ath_rx_edma_buf_link(sc, qtype);
} else {
- list_move_tail(&bf->list, &sc->rx.rxbuf);
ath_rx_buf_link(sc, bf);
- if (!flush)
- ath9k_hw_rxena(ah);
+ ath9k_hw_rxena(ah);
}
} while (1);

- spin_unlock_bh(&sc->rx.rxbuflock);
-
if (!(ah->imask & ATH9K_INT_RXEOL)) {
ah->imask |= (ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
ath9k_hw_set_interrupts(ah);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index a744ea5..36014bf 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -280,8 +280,8 @@ static void brcms_ops_tx(struct ieee80211_hw *hw,
kfree_skb(skb);
goto done;
}
- brcms_c_sendpkt_mac80211(wl->wlc, skb, hw);
- tx_info->rate_driver_data[0] = control->sta;
+ if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw))
+ tx_info->rate_driver_data[0] = control->sta;
done:
spin_unlock_bh(&wl->lock);
}
@@ -1401,9 +1401,10 @@ void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
#endif
t->ms = ms;
t->periodic = (bool) periodic;
- t->set = true;
-
- atomic_inc(&t->wl->callbacks);
+ if (!t->set) {
+ t->set = true;
+ atomic_inc(&t->wl->callbacks);
+ }

ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
}
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 75086b3..9fb0a4c9 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -6095,7 +6095,7 @@ static bool brcms_c_prec_enq(struct brcms_c_info *wlc, struct pktq *q,
return brcms_c_prec_enq_head(wlc, q, pkt, prec, false);
}

-void brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb,
+bool brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb,
struct sk_buff *sdu, uint prec)
{
struct brcms_txq_info *qi = wlc->pkt_queue; /* Check me */
@@ -6110,7 +6110,9 @@ void brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb,
* packet flooding from mac80211 stack
*/
brcmu_pkt_buf_free_skb(sdu);
+ return false;
}
+ return true;
}

/*
@@ -7273,7 +7275,7 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw,
return 0;
}

-void brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu,
+bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu,
struct ieee80211_hw *hw)
{
u8 prio;
@@ -7288,10 +7290,12 @@ void brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu,
prio = ieee80211_is_data(d11_header->frame_control) ? sdu->priority :
MAXPRIO;
fifo = prio2fifo[prio];
- if (brcms_c_d11hdrs_mac80211(wlc, hw, sdu, scb, 0, 1, fifo, 0))
- return;
- brcms_c_txq_enq(wlc, scb, sdu, BRCMS_PRIO_TO_PREC(prio));
+ brcms_c_d11hdrs_mac80211(wlc, hw, sdu, scb, 0, 1, fifo, 0);
+ if (!brcms_c_txq_enq(wlc, scb, sdu, BRCMS_PRIO_TO_PREC(prio)))
+ return false;
brcms_c_send_q(wlc);
+
+ return true;
}

void brcms_c_send_q(struct brcms_c_info *wlc)
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.h b/drivers/net/wireless/brcm80211/brcmsmac/main.h
index 8debc74..b44725c 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.h
@@ -642,7 +642,7 @@ extern void brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo,
bool commit, s8 txpktpend);
extern void brcms_c_txfifo_complete(struct brcms_c_info *wlc, uint fifo,
s8 txpktpend);
-extern void brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb,
+extern bool brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb,
struct sk_buff *sdu, uint prec);
extern void brcms_c_print_txstatus(struct tx_status *txs);
extern int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/pub.h b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
index 5855f4f..bfa2630 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
@@ -321,7 +321,7 @@ extern void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask);
extern bool brcms_c_intrsupd(struct brcms_c_info *wlc);
extern bool brcms_c_isr(struct brcms_c_info *wlc, bool *wantdpc);
extern bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded);
-extern void brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc,
+extern bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc,
struct sk_buff *sdu,
struct ieee80211_hw *hw);
extern bool brcms_c_aggregatable(struct brcms_c_info *wlc, u8 tid);
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 318ed3c..617aeb9 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -3957,17 +3957,21 @@ il_connection_init_rx_config(struct il_priv *il)

memset(&il->staging, 0, sizeof(il->staging));

- if (!il->vif) {
+ switch (il->iw_mode) {
+ case NL80211_IFTYPE_UNSPECIFIED:
il->staging.dev_type = RXON_DEV_TYPE_ESS;
- } else if (il->vif->type == NL80211_IFTYPE_STATION) {
+ break;
+ case NL80211_IFTYPE_STATION:
il->staging.dev_type = RXON_DEV_TYPE_ESS;
il->staging.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
- } else if (il->vif->type == NL80211_IFTYPE_ADHOC) {
+ break;
+ case NL80211_IFTYPE_ADHOC:
il->staging.dev_type = RXON_DEV_TYPE_IBSS;
il->staging.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
il->staging.filter_flags =
RXON_FILTER_BCON_AWARE_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
- } else {
+ break;
+ default:
IL_ERR("Unsupported interface type %d\n", il->vif->type);
return;
}
@@ -4550,8 +4554,7 @@ out:
EXPORT_SYMBOL(il_mac_add_interface);

static void
-il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif,
- bool mode_change)
+il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif)
{
lockdep_assert_held(&il->mutex);

@@ -4560,9 +4563,7 @@ il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif,
il_force_scan_end(il);
}

- if (!mode_change)
- il_set_mode(il);
-
+ il_set_mode(il);
}

void
@@ -4575,8 +4576,8 @@ il_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)

WARN_ON(il->vif != vif);
il->vif = NULL;
-
- il_teardown_interface(il, vif, false);
+ il->iw_mode = NL80211_IFTYPE_UNSPECIFIED;
+ il_teardown_interface(il, vif);
memset(il->bssid, 0, ETH_ALEN);

D_MAC80211("leave\n");
@@ -4685,18 +4686,10 @@ il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
}

/* success */
- il_teardown_interface(il, vif, true);
vif->type = newtype;
vif->p2p = false;
- err = il_set_mode(il);
- WARN_ON(err);
- /*
- * We've switched internally, but submitting to the
- * device may have failed for some reason. Mask this
- * error, because otherwise mac80211 will not switch
- * (and set the interface type back) and we'll be
- * out of sync with it.
- */
+ il->iw_mode = newtype;
+ il_teardown_interface(il, vif);
err = 0;

out:
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 780d3e1..f7e91f2 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1462,7 +1462,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
struct cfg80211_ssid req_ssid;
int ret, auth_type = 0;
struct cfg80211_bss *bss = NULL;
- u8 is_scanning_required = 0, config_bands = 0;
+ u8 is_scanning_required = 0;

memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));

@@ -1481,19 +1481,6 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
/* disconnect before try to associate */
mwifiex_deauthenticate(priv, NULL);

- if (channel) {
- if (mode == NL80211_IFTYPE_STATION) {
- if (channel->band == IEEE80211_BAND_2GHZ)
- config_bands = BAND_B | BAND_G | BAND_GN;
- else
- config_bands = BAND_A | BAND_AN;
-
- if (!((config_bands | priv->adapter->fw_bands) &
- ~priv->adapter->fw_bands))
- priv->adapter->config_bands = config_bands;
- }
- }
-
/* As this is new association, clear locally stored
* keys and security related flags */
priv->sec_info.wpa_enabled = false;
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 13fbc4e..b879e13 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -161,7 +161,7 @@ static int mwifiex_pcie_suspend(struct pci_dev *pdev, pm_message_t state)

if (pdev) {
card = (struct pcie_service_card *) pci_get_drvdata(pdev);
- if (!card || card->adapter) {
+ if (!card || !card->adapter) {
pr_err("Card or adapter structure is not valid\n");
return 0;
}
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 786bc11..f3211d8 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -265,6 +265,20 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
if (ret)
goto done;

+ if (bss_desc) {
+ u8 config_bands = 0;
+
+ if (mwifiex_band_to_radio_type((u8) bss_desc->bss_band)
+ == HostCmd_SCAN_RADIO_TYPE_BG)
+ config_bands = BAND_B | BAND_G | BAND_GN;
+ else
+ config_bands = BAND_A | BAND_AN;
+
+ if (!((config_bands | adapter->fw_bands) &
+ ~adapter->fw_bands))
+ adapter->config_bands = config_bands;
+ }
+
ret = mwifiex_check_network_compatibility(priv, bss_desc);
if (ret)
goto done;
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 7481146..97c2be1 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -244,7 +244,7 @@ static int __init ibm_rtl_init(void) {
if (force)
pr_warn("module loaded by force\n");
/* first ensure that we are running on IBM HW */
- else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
+ else if (efi_enabled(EFI_BOOT) || !dmi_check_system(ibm_rtl_dmi_table))
return -ENODEV;

/* Get the address for the Extended BIOS Data Area */
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 71623a2..d1f0300 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -26,6 +26,7 @@
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/ctype.h>
+#include <linux/efi.h>
#include <acpi/video.h>

/*
@@ -1544,6 +1545,9 @@ static int __init samsung_init(void)
struct samsung_laptop *samsung;
int ret;

+ if (efi_enabled(EFI_BOOT))
+ return -ENODEV;
+
quirks = &samsung_unknown;
if (!force && !dmi_check_system(samsung_dmi_table))
return -ENODEV;
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index b74050b..9ac1e9d 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -633,7 +633,7 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
return -ENOMEM;
pci_set_drvdata(pdev, pci_info);

- if (efi_enabled)
+ if (efi_enabled(EFI_RUNTIME_SERVICES))
orom = isci_get_efi_var(pdev);

if (!orom)
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index a55f91a..9430cd2 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -751,12 +751,6 @@ static int target_fabric_port_link(
struct target_fabric_configfs *tf;
int ret;

- if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) {
- pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:"
- " %p to struct se_device: %p\n", se_dev_ci, dev);
- return -EFAULT;
- }
-
tpg_ci = &lun_ci->ci_parent->ci_group->cg_item;
se_tpg = container_of(to_config_group(tpg_ci),
struct se_portal_group, tpg_group);
@@ -774,6 +768,11 @@ static int target_fabric_port_link(
ret = -ENODEV;
goto out;
}
+ if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) {
+ pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:"
+ " %p to struct se_device: %p\n", se_dev_ci, dev);
+ return -EFAULT;
+ }

lun_p = core_dev_add_lun(se_tpg, dev, lun->unpacked_lun);
if (IS_ERR(lun_p)) {
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index ce5cbd7..210fce2 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -226,6 +226,8 @@ compose_mount_options_out:
compose_mount_options_err:
kfree(mountdata);
mountdata = ERR_PTR(rc);
+ kfree(*devname);
+ *devname = NULL;
goto compose_mount_options_out;
}

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index dd057bc..fc8dc20 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -177,11 +177,31 @@ out_nofree:
return mnt;
}

+static int
+nfs_namespace_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+{
+ if (NFS_FH(dentry->d_inode)->size != 0)
+ return nfs_getattr(mnt, dentry, stat);
+ generic_fillattr(dentry->d_inode, stat);
+ return 0;
+}
+
+static int
+nfs_namespace_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ if (NFS_FH(dentry->d_inode)->size != 0)
+ return nfs_setattr(dentry, attr);
+ return -EACCES;
+}
+
const struct inode_operations nfs_mountpoint_inode_operations = {
.getattr = nfs_getattr,
+ .setattr = nfs_setattr,
};

const struct inode_operations nfs_referral_inode_operations = {
+ .getattr = nfs_namespace_getattr,
+ .setattr = nfs_namespace_setattr,
};

static void nfs_expire_automounts(struct work_struct *work)
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 6bacfde..1f55131 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -235,11 +235,10 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp,
error = nfs4_discover_server_trunking(clp, &old);
if (error < 0)
goto error;
+ nfs_put_client(clp);
if (clp != old) {
clp->cl_preserve_clid = true;
- nfs_put_client(clp);
clp = old;
- atomic_inc(&clp->cl_count);
}

return clp;
@@ -305,7 +304,7 @@ int nfs40_walk_client_list(struct nfs_client *new,
.clientid = new->cl_clientid,
.confirm = new->cl_confirm,
};
- int status;
+ int status = -NFS4ERR_STALE_CLIENTID;

spin_lock(&nn->nfs_client_lock);
list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
@@ -331,40 +330,33 @@ int nfs40_walk_client_list(struct nfs_client *new,

if (prev)
nfs_put_client(prev);
+ prev = pos;

status = nfs4_proc_setclientid_confirm(pos, &clid, cred);
- if (status == 0) {
+ switch (status) {
+ case -NFS4ERR_STALE_CLIENTID:
+ break;
+ case 0:
nfs4_swap_callback_idents(pos, new);

- nfs_put_client(pos);
+ prev = NULL;
*result = pos;
dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
__func__, pos, atomic_read(&pos->cl_count));
- return 0;
- }
- if (status != -NFS4ERR_STALE_CLIENTID) {
- nfs_put_client(pos);
- dprintk("NFS: <-- %s status = %d, no result\n",
- __func__, status);
- return status;
+ default:
+ goto out;
}

spin_lock(&nn->nfs_client_lock);
- prev = pos;
}
+ spin_unlock(&nn->nfs_client_lock);

- /*
- * No matching nfs_client found. This should be impossible,
- * because the new nfs_client has already been added to
- * nfs_client_list by nfs_get_client().
- *
- * Don't BUG(), since the caller is holding a mutex.
- */
+ /* No match found. The server lost our clientid */
+out:
if (prev)
nfs_put_client(prev);
- spin_unlock(&nn->nfs_client_lock);
- pr_err("NFS: %s Error: no matching nfs_client found\n", __func__);
- return -NFS4ERR_STALE_CLIENTID;
+ dprintk("NFS: <-- %s status = %d\n", __func__, status);
+ return status;
}

#ifdef CONFIG_NFS_V4_1
@@ -431,7 +423,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
{
struct nfs_net *nn = net_generic(new->cl_net, nfs_net_id);
struct nfs_client *pos, *n, *prev = NULL;
- int error;
+ int status = -NFS4ERR_STALE_CLIENTID;

spin_lock(&nn->nfs_client_lock);
list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
@@ -447,14 +439,17 @@ int nfs41_walk_client_list(struct nfs_client *new,
nfs_put_client(prev);
prev = pos;

- error = nfs_wait_client_init_complete(pos);
- if (error < 0) {
+ nfs4_schedule_lease_recovery(pos);
+ status = nfs_wait_client_init_complete(pos);
+ if (status < 0) {
nfs_put_client(pos);
spin_lock(&nn->nfs_client_lock);
continue;
}
-
+ status = pos->cl_cons_state;
spin_lock(&nn->nfs_client_lock);
+ if (status < 0)
+ continue;
}

if (pos->rpc_ops != new->rpc_ops)
@@ -472,6 +467,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
if (!nfs4_match_serverowners(pos, new))
continue;

+ atomic_inc(&pos->cl_count);
spin_unlock(&nn->nfs_client_lock);
dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
__func__, pos, atomic_read(&pos->cl_count));
@@ -480,16 +476,10 @@ int nfs41_walk_client_list(struct nfs_client *new,
return 0;
}

- /*
- * No matching nfs_client found. This should be impossible,
- * because the new nfs_client has already been added to
- * nfs_client_list by nfs_get_client().
- *
- * Don't BUG(), since the caller is holding a mutex.
- */
+ /* No matching nfs_client found. */
spin_unlock(&nn->nfs_client_lock);
- pr_err("NFS: %s Error: no matching nfs_client found\n", __func__);
- return -NFS4ERR_STALE_CLIENTID;
+ dprintk("NFS: <-- %s status = %d\n", __func__, status);
+ return status;
}
#endif /* CONFIG_NFS_V4_1 */

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index c351e6b..b1c96e7 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -136,16 +136,11 @@ int nfs40_discover_server_trunking(struct nfs_client *clp,
clp->cl_confirm = clid.confirm;

status = nfs40_walk_client_list(clp, result, cred);
- switch (status) {
- case -NFS4ERR_STALE_CLIENTID:
- set_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
- case 0:
+ if (status == 0) {
/* Sustain the lease, even if it's empty. If the clientid4
* goes stale it's of no use for trunking discovery. */
nfs4_schedule_state_renewal(*result);
- break;
}
-
out:
return status;
}
@@ -1850,6 +1845,7 @@ again:
case -ETIMEDOUT:
case -EAGAIN:
ssleep(1);
+ case -NFS4ERR_STALE_CLIENTID:
dprintk("NFS: %s after status %d, retrying\n",
__func__, status);
goto again;
@@ -2001,8 +1997,18 @@ static int nfs4_reset_session(struct nfs_client *clp)
nfs4_begin_drain_session(clp);
cred = nfs4_get_exchange_id_cred(clp);
status = nfs4_proc_destroy_session(clp->cl_session, cred);
- if (status && status != -NFS4ERR_BADSESSION &&
- status != -NFS4ERR_DEADSESSION) {
+ switch (status) {
+ case 0:
+ case -NFS4ERR_BADSESSION:
+ case -NFS4ERR_DEADSESSION:
+ break;
+ case -NFS4ERR_BACK_CHAN_BUSY:
+ case -NFS4ERR_DELAY:
+ set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
+ status = 0;
+ ssleep(1);
+ goto out;
+ default:
status = nfs4_recovery_handle_error(clp, status);
goto out;
}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 00be08f..49f3f90 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2576,27 +2576,23 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
struct nfs_server *server;
struct dentry *mntroot = ERR_PTR(-ENOMEM);
struct nfs_subversion *nfs_mod = NFS_SB(data->sb)->nfs_client->cl_nfs_mod;
- int error;

- dprintk("--> nfs_xdev_mount_common()\n");
+ dprintk("--> nfs_xdev_mount()\n");

mount_info.mntfh = mount_info.cloned->fh;

/* create a new volume representation */
server = nfs_mod->rpc_ops->clone_server(NFS_SB(data->sb), data->fh, data->fattr, data->authflavor);
- if (IS_ERR(server)) {
- error = PTR_ERR(server);
- goto out_err;
- }

- mntroot = nfs_fs_mount_common(server, flags, dev_name, &mount_info, nfs_mod);
- dprintk("<-- nfs_xdev_mount_common() = 0\n");
-out:
- return mntroot;
+ if (IS_ERR(server))
+ mntroot = ERR_CAST(server);
+ else
+ mntroot = nfs_fs_mount_common(server, flags,
+ dev_name, &mount_info, nfs_mod);

-out_err:
- dprintk("<-- nfs_xdev_mount_common() = %d [error]\n", error);
- goto out;
+ dprintk("<-- nfs_xdev_mount() = %ld\n",
+ IS_ERR(mntroot) ? PTR_ERR(mntroot) : 0L);
+ return mntroot;
}

#if IS_ENABLED(CONFIG_NFS_V4)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index e0e9ee0..dfbcfd0 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -86,11 +86,11 @@ xfs_destroy_ioend(
}

if (ioend->io_iocb) {
+ inode_dio_done(ioend->io_inode);
if (ioend->io_isasync) {
aio_complete(ioend->io_iocb, ioend->io_error ?
ioend->io_error : ioend->io_result, 0);
}
- inode_dio_done(ioend->io_inode);
}

mempool_free(ioend, xfs_ioend_pool);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 4b0b8dd..58a1f41 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -487,6 +487,7 @@ _xfs_buf_find(
struct rb_node *parent;
xfs_buf_t *bp;
xfs_daddr_t blkno = map[0].bm_bn;
+ xfs_daddr_t eofs;
int numblks = 0;
int i;

@@ -498,6 +499,23 @@ _xfs_buf_find(
ASSERT(!(numbytes < (1 << btp->bt_sshift)));
ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_smask));

+ /*
+ * Corrupted block numbers can get through to here, unfortunately, so we
+ * have to check that the buffer falls within the filesystem bounds.
+ */
+ eofs = XFS_FSB_TO_BB(btp->bt_mount, btp->bt_mount->m_sb.sb_dblocks);
+ if (blkno >= eofs) {
+ /*
+ * XXX (dgc): we should really be returning EFSCORRUPTED here,
+ * but none of the higher level infrastructure supports
+ * returning a specific error on buffer lookup failures.
+ */
+ xfs_alert(btp->bt_mount,
+ "%s: Block out of range: block 0x%llx, EOFS 0x%llx ",
+ __func__, blkno, eofs);
+ return NULL;
+ }
+
/* get tree root */
pag = xfs_perag_get(btp->bt_mount,
xfs_daddr_to_agno(btp->bt_mount, blkno));
diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c
index 9500caf..7bf85e8 100644
--- a/fs/xfs/xfs_sync.c
+++ b/fs/xfs/xfs_sync.c
@@ -400,7 +400,7 @@ xfs_sync_worker(
* cancel_delayed_work_sync on this work queue before tearing down
* the ail and the log in xfs_log_unmount.
*/
- if (!(mp->m_super->s_flags & MS_ACTIVE) &&
+ if ((mp->m_super->s_flags & MS_ACTIVE) &&
!(mp->m_flags & XFS_MOUNT_RDONLY)) {
/* dgc: errors ignored here */
if (mp->m_super->s_writers.frozen == SB_UNFROZEN &&
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 8670eb1..b424f64 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -542,18 +542,30 @@ extern int __init efi_setup_pcdp_console(char *);
#endif

/*
- * We play games with efi_enabled so that the compiler will, if possible, remove
- * EFI-related code altogether.
+ * We play games with efi_enabled so that the compiler will, if
+ * possible, remove EFI-related code altogether.
*/
+#define EFI_BOOT 0 /* Were we booted from EFI? */
+#define EFI_SYSTEM_TABLES 1 /* Can we use EFI system tables? */
+#define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */
+#define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */
+#define EFI_MEMMAP 4 /* Can we use EFI memory map? */
+#define EFI_64BIT 5 /* Is the firmware 64-bit? */
+
#ifdef CONFIG_EFI
# ifdef CONFIG_X86
- extern int efi_enabled;
- extern bool efi_64bit;
+extern int efi_enabled(int facility);
# else
-# define efi_enabled 1
+static inline int efi_enabled(int facility)
+{
+ return 1;
+}
# endif
#else
-# define efi_enabled 0
+static inline int efi_enabled(int facility)
+{
+ return 0;
+}
#endif

/*
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index d8f5b9f..e98aeb3 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -31,6 +31,8 @@ extern void nf_conntrack_cleanup(struct net *net);
extern int nf_conntrack_proto_init(struct net *net);
extern void nf_conntrack_proto_fini(struct net *net);

+extern void nf_conntrack_cleanup_end(void);
+
extern bool
nf_ct_get_tuple(const struct sk_buff *skb,
unsigned int nhoff,
diff --git a/include/net/netns/x_tables.h b/include/net/netns/x_tables.h
index 591db7d..c24060e 100644
--- a/include/net/netns/x_tables.h
+++ b/include/net/netns/x_tables.h
@@ -8,6 +8,7 @@ struct ebt_table;

struct netns_xt {
struct list_head tables[NFPROTO_NUMPROTO];
+ bool notrack_deprecated_warning;
#if defined(CONFIG_BRIDGE_NF_EBTABLES) || \
defined(CONFIG_BRIDGE_NF_EBTABLES_MODULE)
struct ebt_table *broute_table;
diff --git a/init/main.c b/init/main.c
index cd147a9..857166f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -604,7 +604,7 @@ asmlinkage void __init start_kernel(void)
pidmap_init();
anon_vma_init();
#ifdef CONFIG_X86
- if (efi_enabled)
+ if (efi_enabled(EFI_RUNTIME_SERVICES))
efi_enter_virtual_mode();
#endif
thread_info_cache_init();
@@ -632,7 +632,7 @@ asmlinkage void __init start_kernel(void)
acpi_early_init(); /* before LAPIC and SMP init */
sfi_init_late();

- if (efi_enabled) {
+ if (efi_enabled(EFI_RUNTIME_SERVICES)) {
efi_late_init();
efi_free_boot_services();
}
diff --git a/kernel/smp.c b/kernel/smp.c
index 29dd40a..69f38bd 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -33,6 +33,7 @@ struct call_function_data {
struct call_single_data csd;
atomic_t refs;
cpumask_var_t cpumask;
+ cpumask_var_t cpumask_ipi;
};

static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data);
@@ -56,6 +57,9 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
cpu_to_node(cpu)))
return notifier_from_errno(-ENOMEM);
+ if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
+ cpu_to_node(cpu)))
+ return notifier_from_errno(-ENOMEM);
break;

#ifdef CONFIG_HOTPLUG_CPU
@@ -65,6 +69,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
case CPU_DEAD:
case CPU_DEAD_FROZEN:
free_cpumask_var(cfd->cpumask);
+ free_cpumask_var(cfd->cpumask_ipi);
break;
#endif
};
@@ -526,6 +531,12 @@ void smp_call_function_many(const struct cpumask *mask,
return;
}

+ /*
+ * After we put an entry into the list, data->cpumask
+ * may be cleared again when another CPU sends another IPI for
+ * a SMP function call, so data->cpumask will be zero.
+ */
+ cpumask_copy(data->cpumask_ipi, data->cpumask);
raw_spin_lock_irqsave(&call_function.lock, flags);
/*
* Place entry at the _HEAD_ of the list, so that any cpu still
@@ -549,7 +560,7 @@ void smp_call_function_many(const struct cpumask *mask,
smp_mb();

/* Send a message to all CPUs in the map */
- arch_send_call_function_ipi_mask(data->cpumask);
+ arch_send_call_function_ipi_mask(data->cpumask_ipi);

/* Optionally wait for the CPUs to complete */
if (wait)
diff --git a/mm/slub.c b/mm/slub.c
index a0d6984..321afab 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3279,6 +3279,7 @@ static struct kmem_cache *__init create_kmalloc_cache(const char *name,
if (kmem_cache_open(s, flags))
goto panic;

+ s->refcount = 1;
list_add(&s->list, &slab_caches);
return s;

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 2022b43..7c40d1e 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2394,7 +2394,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (ev->opcode != HCI_OP_NOP)
del_timer(&hdev->cmd_timer);

- if (ev->ncmd) {
+ if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
queue_work(hdev->workqueue, &hdev->cmd_work);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index ccd985d..03652f3 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -931,7 +931,7 @@ static int hidp_setup_hid(struct hidp_session *session,
hid->version = req->version;
hid->country = req->country;

- strncpy(hid->name, req->name, 128);
+ strncpy(hid->name, req->name, sizeof(req->name) - 1);
strncpy(hid->phys, batostr(&bt_sk(session->ctrl_sock->sk)->src), 64);
strncpy(hid->uniq, batostr(&bt_sk(session->ctrl_sock->sk)->dst), 64);

diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 51f13f8..04b18c1 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -81,6 +81,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
niph->saddr = oiph->daddr;
niph->daddr = oiph->saddr;

+ skb_reset_transport_header(nskb);
tcph = (struct tcphdr *)skb_put(nskb, sizeof(struct tcphdr));
memset(tcph, 0, sizeof(*tcph));
tcph->source = oth->dest;
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index fd4fb34..029623d 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -132,6 +132,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
ip6h->saddr = oip6h->daddr;
ip6h->daddr = oip6h->saddr;

+ skb_reset_transport_header(nskb);
tcph = (struct tcphdr *)skb_put(nskb, sizeof(struct tcphdr));
/* Truncate to length (no data) */
tcph->doff = sizeof(struct tcphdr)/4;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 22c8ea9..3dacecc 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -311,7 +311,10 @@ found:
else
fq->q.fragments = skb;

- skb->dev = NULL;
+ if (skb->dev) {
+ fq->iif = skb->dev->ifindex;
+ skb->dev = NULL;
+ }
fq->q.stamp = skb->tstamp;
fq->q.meat += skb->len;
if (payload_len > fq->q.max_size)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7371f67..494da7f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -164,7 +164,17 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
sta = sta_info_get(sdata, mac_addr);
else
sta = sta_info_get_bss(sdata, mac_addr);
- if (!sta) {
+ /*
+ * The ASSOC test makes sure the driver is ready to
+ * receive the key. When wpa_supplicant has roamed
+ * using FT, it attempts to set the key before
+ * association has completed, this rejects that attempt
+ * so it will set the key again after assocation.
+ *
+ * TODO: accept the key if we have a station entry and
+ * add it to the device after the station.
+ */
+ if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
ieee80211_key_free(sdata->local, key);
err = -ENOENT;
goto out_unlock;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 3da215c..493e2e8 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1279,10 +1279,8 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
void ieee80211_sched_scan_stopped_work(struct work_struct *work);

/* off-channel helpers */
-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
- bool offchannel_ps_enable);
-void ieee80211_offchannel_return(struct ieee80211_local *local,
- bool offchannel_ps_disable);
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
+void ieee80211_offchannel_return(struct ieee80211_local *local);
void ieee80211_roc_setup(struct ieee80211_local *local);
void ieee80211_start_next_roc(struct ieee80211_local *local);
void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 2c84185..b88152f 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -102,8 +102,7 @@ static void ieee80211_offchannel_ps_disable(struct ieee80211_sub_if_data *sdata)
ieee80211_sta_reset_conn_monitor(sdata);
}

-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
- bool offchannel_ps_enable)
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;

@@ -131,8 +130,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,

if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
netif_tx_stop_all_queues(sdata->dev);
- if (offchannel_ps_enable &&
- (sdata->vif.type == NL80211_IFTYPE_STATION) &&
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
sdata->u.mgd.associated)
ieee80211_offchannel_ps_enable(sdata);
}
@@ -140,8 +138,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
mutex_unlock(&local->iflist_mtx);
}

-void ieee80211_offchannel_return(struct ieee80211_local *local,
- bool offchannel_ps_disable)
+void ieee80211_offchannel_return(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;

@@ -157,11 +154,9 @@ void ieee80211_offchannel_return(struct ieee80211_local *local,
continue;

/* Tell AP we're back */
- if (offchannel_ps_disable &&
- sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.mgd.associated)
- ieee80211_offchannel_ps_disable(sdata);
- }
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ sdata->u.mgd.associated)
+ ieee80211_offchannel_ps_disable(sdata);

if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
/*
@@ -381,7 +376,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
local->tmp_channel = NULL;
ieee80211_hw_config(local, 0);

- ieee80211_offchannel_return(local, true);
+ ieee80211_offchannel_return(local);
}

ieee80211_recalc_idle(local);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index fab706f..f41b1bd 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -310,7 +310,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
if (!was_hw_scan) {
ieee80211_configure_filter(local);
drv_sw_scan_complete(local);
- ieee80211_offchannel_return(local, true);
+ ieee80211_offchannel_return(local);
}

ieee80211_recalc_idle(local);
@@ -355,7 +355,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
local->next_scan_state = SCAN_DECISION;
local->scan_channel_idx = 0;

- ieee80211_offchannel_stop_vifs(local, true);
+ ieee80211_offchannel_stop_vifs(local);

ieee80211_configure_filter(local);

@@ -680,12 +680,8 @@ static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
local->scan_channel = NULL;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);

- /*
- * Re-enable vifs and beaconing. Leave PS
- * in off-channel state..will put that back
- * on-channel at the end of scanning.
- */
- ieee80211_offchannel_return(local, false);
+ /* disable PS */
+ ieee80211_offchannel_return(local);

*next_delay = HZ / 5;
/* afterwards, resume scan & go to next channel */
@@ -695,8 +691,7 @@ static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
static void ieee80211_scan_state_resume(struct ieee80211_local *local,
unsigned long *next_delay)
{
- /* PS already is in off-channel mode */
- ieee80211_offchannel_stop_vifs(local, false);
+ ieee80211_offchannel_stop_vifs(local);

if (local->ops->flush) {
drv_flush(local, false);
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index fefa514..49e96df 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -680,6 +680,13 @@ config NETFILTER_XT_TARGET_NFQUEUE

To compile it as a module, choose M here. If unsure, say N.

+config NETFILTER_XT_TARGET_NOTRACK
+ tristate '"NOTRACK" target support (DEPRECATED)'
+ depends on NF_CONNTRACK
+ depends on IP_NF_RAW || IP6_NF_RAW
+ depends on NETFILTER_ADVANCED
+ select NETFILTER_XT_TARGET_CT
+
config NETFILTER_XT_TARGET_RATEEST
tristate '"RATEEST" target support'
depends on NETFILTER_ADVANCED
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 0f241be..ec02168 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1383,11 +1383,12 @@ void nf_conntrack_cleanup(struct net *net)
synchronize_net();
nf_conntrack_proto_fini(net);
nf_conntrack_cleanup_net(net);
+}

- if (net_eq(net, &init_net)) {
- RCU_INIT_POINTER(nf_ct_destroy, NULL);
- nf_conntrack_cleanup_init_net();
- }
+void nf_conntrack_cleanup_end(void)
+{
+ RCU_INIT_POINTER(nf_ct_destroy, NULL);
+ nf_conntrack_cleanup_init_net();
}

void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls)
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 7bbfb3d..ef9e86e 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -2514,7 +2514,7 @@ ctnetlink_create_expect(struct net *net, u16 zone,
if (!help) {
if (!cda[CTA_EXPECT_TIMEOUT]) {
err = -EINVAL;
- goto out;
+ goto err_out;
}
exp->timeout.expires =
jiffies + ntohl(nla_get_be32(cda[CTA_EXPECT_TIMEOUT])) * HZ;
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 9b39432..df8aa3a 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -571,6 +571,7 @@ static int __init nf_conntrack_standalone_init(void)
static void __exit nf_conntrack_standalone_fini(void)
{
unregister_pernet_subsys(&nf_conntrack_net_ops);
+ nf_conntrack_cleanup_end();
}

module_init(nf_conntrack_standalone_init);
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 9f199f2..92fd8ec 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -13,6 +13,7 @@
*/
#include <linux/module.h>
#include <linux/skbuff.h>
+#include <linux/if_arp.h>
#include <linux/init.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
@@ -384,6 +385,7 @@ __build_packet_message(struct nfulnl_instance *inst,
struct nfgenmsg *nfmsg;
sk_buff_data_t old_tail = inst->skb->tail;
struct sock *sk;
+ const unsigned char *hwhdrp;

nlh = nlmsg_put(inst->skb, 0, 0,
NFNL_SUBSYS_ULOG << 8 | NFULNL_MSG_PACKET,
@@ -485,9 +487,17 @@ __build_packet_message(struct nfulnl_instance *inst,
if (indev && skb_mac_header_was_set(skb)) {
if (nla_put_be16(inst->skb, NFULA_HWTYPE, htons(skb->dev->type)) ||
nla_put_be16(inst->skb, NFULA_HWLEN,
- htons(skb->dev->hard_header_len)) ||
- nla_put(inst->skb, NFULA_HWHEADER, skb->dev->hard_header_len,
- skb_mac_header(skb)))
+ htons(skb->dev->hard_header_len)))
+ goto nla_put_failure;
+
+ hwhdrp = skb_mac_header(skb);
+
+ if (skb->dev->type == ARPHRD_SIT)
+ hwhdrp -= ETH_HLEN;
+
+ if (hwhdrp >= skb->head &&
+ nla_put(inst->skb, NFULA_HWHEADER,
+ skb->dev->hard_header_len, hwhdrp))
goto nla_put_failure;
}

diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 8d987c3..7b3a9e5 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -345,19 +345,27 @@ int xt_find_revision(u8 af, const char *name, u8 revision, int target,
}
EXPORT_SYMBOL_GPL(xt_find_revision);

-static char *textify_hooks(char *buf, size_t size, unsigned int mask)
+static char *
+textify_hooks(char *buf, size_t size, unsigned int mask, uint8_t nfproto)
{
- static const char *const names[] = {
+ static const char *const inetbr_names[] = {
"PREROUTING", "INPUT", "FORWARD",
"OUTPUT", "POSTROUTING", "BROUTING",
};
- unsigned int i;
+ static const char *const arp_names[] = {
+ "INPUT", "FORWARD", "OUTPUT",
+ };
+ const char *const *names;
+ unsigned int i, max;
char *p = buf;
bool np = false;
int res;

+ names = (nfproto == NFPROTO_ARP) ? arp_names : inetbr_names;
+ max = (nfproto == NFPROTO_ARP) ? ARRAY_SIZE(arp_names) :
+ ARRAY_SIZE(inetbr_names);
*p = '\0';
- for (i = 0; i < ARRAY_SIZE(names); ++i) {
+ for (i = 0; i < max; ++i) {
if (!(mask & (1 << i)))
continue;
res = snprintf(p, size, "%s%s", np ? "/" : "", names[i]);
@@ -402,8 +410,10 @@ int xt_check_match(struct xt_mtchk_param *par,
pr_err("%s_tables: %s match: used from hooks %s, but only "
"valid from %s\n",
xt_prefix[par->family], par->match->name,
- textify_hooks(used, sizeof(used), par->hook_mask),
- textify_hooks(allow, sizeof(allow), par->match->hooks));
+ textify_hooks(used, sizeof(used), par->hook_mask,
+ par->family),
+ textify_hooks(allow, sizeof(allow), par->match->hooks,
+ par->family));
return -EINVAL;
}
if (par->match->proto && (par->match->proto != proto || inv_proto)) {
@@ -575,8 +585,10 @@ int xt_check_target(struct xt_tgchk_param *par,
pr_err("%s_tables: %s target: used from hooks %s, but only "
"usable from %s\n",
xt_prefix[par->family], par->target->name,
- textify_hooks(used, sizeof(used), par->hook_mask),
- textify_hooks(allow, sizeof(allow), par->target->hooks));
+ textify_hooks(used, sizeof(used), par->hook_mask,
+ par->family),
+ textify_hooks(allow, sizeof(allow), par->target->hooks,
+ par->family));
return -EINVAL;
}
if (par->target->proto && (par->target->proto != proto || inv_proto)) {
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index ae7f5da..8461605 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -109,7 +109,7 @@ static int xt_ct_tg_check_v0(const struct xt_tgchk_param *par)
struct xt_ct_target_info *info = par->targinfo;
struct nf_conntrack_tuple t;
struct nf_conn *ct;
- int ret;
+ int ret = -EOPNOTSUPP;

if (info->flags & ~XT_CT_NOTRACK)
return -EINVAL;
@@ -243,7 +243,7 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
struct xt_ct_target_info_v1 *info = par->targinfo;
struct nf_conntrack_tuple t;
struct nf_conn *ct;
- int ret;
+ int ret = -EOPNOTSUPP;

if (info->flags & ~XT_CT_NOTRACK)
return -EINVAL;
@@ -377,14 +377,60 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = {
},
};

+static unsigned int
+notrack_tg(struct sk_buff *skb, const struct xt_action_param *par)
+{
+ /* Previously seen (loopback)? Ignore. */
+ if (skb->nfct != NULL)
+ return XT_CONTINUE;
+
+ skb->nfct = &nf_ct_untracked_get()->ct_general;
+ skb->nfctinfo = IP_CT_NEW;
+ nf_conntrack_get(skb->nfct);
+
+ return XT_CONTINUE;
+}
+
+static int notrack_chk(const struct xt_tgchk_param *par)
+{
+ if (!par->net->xt.notrack_deprecated_warning) {
+ pr_info("netfilter: NOTRACK target is deprecated, "
+ "use CT instead or upgrade iptables\n");
+ par->net->xt.notrack_deprecated_warning = true;
+ }
+ return 0;
+}
+
+static struct xt_target notrack_tg_reg __read_mostly = {
+ .name = "NOTRACK",
+ .revision = 0,
+ .family = NFPROTO_UNSPEC,
+ .checkentry = notrack_chk,
+ .target = notrack_tg,
+ .table = "raw",
+ .me = THIS_MODULE,
+};
+
static int __init xt_ct_tg_init(void)
{
- return xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
+ int ret;
+
+ ret = xt_register_target(&notrack_tg_reg);
+ if (ret < 0)
+ return ret;
+
+ ret = xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
+ if (ret < 0) {
+ xt_unregister_target(&notrack_tg_reg);
+ return ret;
+ }
+ return 0;
}

static void __exit xt_ct_tg_exit(void)
{
xt_unregister_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
+ xt_unregister_target(&notrack_tg_reg);
}

module_init(xt_ct_tg_init);
@@ -394,3 +440,5 @@ MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Xtables: connection tracking target");
MODULE_ALIAS("ipt_CT");
MODULE_ALIAS("ip6t_CT");
+MODULE_ALIAS("ipt_NOTRACK");
+MODULE_ALIAS("ip6t_NOTRACK");
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 26a668a..a9d7af9 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -157,11 +157,22 @@ dsthash_find(const struct xt_hashlimit_htable *ht,
/* allocate dsthash_ent, initialize dst, put in htable and lock it */
static struct dsthash_ent *
dsthash_alloc_init(struct xt_hashlimit_htable *ht,
- const struct dsthash_dst *dst)
+ const struct dsthash_dst *dst, bool *race)
{
struct dsthash_ent *ent;

spin_lock(&ht->lock);
+
+ /* Two or more packets may race to create the same entry in the
+ * hashtable, double check if this packet lost race.
+ */
+ ent = dsthash_find(ht, dst);
+ if (ent != NULL) {
+ spin_unlock(&ht->lock);
+ *race = true;
+ return ent;
+ }
+
/* initialize hash with random val at the time we allocate
* the first hashtable entry */
if (unlikely(!ht->rnd_initialized)) {
@@ -318,7 +329,10 @@ static void htable_destroy(struct xt_hashlimit_htable *hinfo)
parent = hashlimit_net->ipt_hashlimit;
else
parent = hashlimit_net->ip6t_hashlimit;
- remove_proc_entry(hinfo->pde->name, parent);
+
+ if(parent != NULL)
+ remove_proc_entry(hinfo->pde->name, parent);
+
htable_selective_cleanup(hinfo, select_all);
vfree(hinfo);
}
@@ -585,6 +599,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
unsigned long now = jiffies;
struct dsthash_ent *dh;
struct dsthash_dst dst;
+ bool race = false;
u32 cost;

if (hashlimit_init_dst(hinfo, &dst, skb, par->thoff) < 0)
@@ -593,13 +608,18 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
rcu_read_lock_bh();
dh = dsthash_find(hinfo, &dst);
if (dh == NULL) {
- dh = dsthash_alloc_init(hinfo, &dst);
+ dh = dsthash_alloc_init(hinfo, &dst, &race);
if (dh == NULL) {
rcu_read_unlock_bh();
goto hotdrop;
+ } else if (race) {
+ /* Already got an entry, update expiration timeout */
+ dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
+ rateinfo_recalc(dh, now, hinfo->cfg.mode);
+ } else {
+ dh->expires = jiffies + msecs_to_jiffies(hinfo->cfg.expire);
+ rateinfo_init(dh, hinfo);
}
- dh->expires = jiffies + msecs_to_jiffies(hinfo->cfg.expire);
- rateinfo_init(dh, hinfo);
} else {
/* update expiration timeout */
dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
@@ -856,6 +876,27 @@ static int __net_init hashlimit_proc_net_init(struct net *net)

static void __net_exit hashlimit_proc_net_exit(struct net *net)
{
+ struct xt_hashlimit_htable *hinfo;
+ struct hlist_node *pos;
+ struct proc_dir_entry *pde;
+ struct hashlimit_net *hashlimit_net = hashlimit_pernet(net);
+
+ /* recent_net_exit() is called before recent_mt_destroy(). Make sure
+ * that the parent xt_recent proc entry is is empty before trying to
+ * remove it.
+ */
+ mutex_lock(&hashlimit_mutex);
+ pde = hashlimit_net->ipt_hashlimit;
+ if (pde == NULL)
+ pde = hashlimit_net->ip6t_hashlimit;
+
+ hlist_for_each_entry(hinfo, pos, &hashlimit_net->htables, node)
+ remove_proc_entry(hinfo->pde->name, pde);
+
+ hashlimit_net->ipt_hashlimit = NULL;
+ hashlimit_net->ip6t_hashlimit = NULL;
+ mutex_unlock(&hashlimit_mutex);
+
proc_net_remove(net, "ipt_hashlimit");
#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
proc_net_remove(net, "ip6t_hashlimit");
@@ -872,9 +913,6 @@ static int __net_init hashlimit_net_init(struct net *net)

static void __net_exit hashlimit_net_exit(struct net *net)
{
- struct hashlimit_net *hashlimit_net = hashlimit_pernet(net);
-
- BUG_ON(!hlist_empty(&hashlimit_net->htables));
hashlimit_proc_net_exit(net);
}

diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 4635c9b..978efc9 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -29,6 +29,7 @@
#include <linux/skbuff.h>
#include <linux/inet.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>

@@ -310,6 +311,14 @@ out:
return ret;
}

+static void recent_table_free(void *addr)
+{
+ if (is_vmalloc_addr(addr))
+ vfree(addr);
+ else
+ kfree(addr);
+}
+
static int recent_mt_check(const struct xt_mtchk_param *par,
const struct xt_recent_mtinfo_v1 *info)
{
@@ -322,6 +331,7 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
#endif
unsigned int i;
int ret = -EINVAL;
+ size_t sz;

if (unlikely(!hash_rnd_inited)) {
get_random_bytes(&hash_rnd, sizeof(hash_rnd));
@@ -360,8 +370,11 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
goto out;
}

- t = kzalloc(sizeof(*t) + sizeof(t->iphash[0]) * ip_list_hash_size,
- GFP_KERNEL);
+ sz = sizeof(*t) + sizeof(t->iphash[0]) * ip_list_hash_size;
+ if (sz <= PAGE_SIZE)
+ t = kzalloc(sz, GFP_KERNEL);
+ else
+ t = vzalloc(sz);
if (t == NULL) {
ret = -ENOMEM;
goto out;
@@ -377,14 +390,14 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
uid = make_kuid(&init_user_ns, ip_list_uid);
gid = make_kgid(&init_user_ns, ip_list_gid);
if (!uid_valid(uid) || !gid_valid(gid)) {
- kfree(t);
+ recent_table_free(t);
ret = -EINVAL;
goto out;
}
pde = proc_create_data(t->name, ip_list_perms, recent_net->xt_recent,
&recent_mt_fops, t);
if (pde == NULL) {
- kfree(t);
+ recent_table_free(t);
ret = -ENOMEM;
goto out;
}
@@ -431,10 +444,11 @@ static void recent_mt_destroy(const struct xt_mtdtor_param *par)
list_del(&t->list);
spin_unlock_bh(&recent_lock);
#ifdef CONFIG_PROC_FS
- remove_proc_entry(t->name, recent_net->xt_recent);
+ if (recent_net->xt_recent != NULL)
+ remove_proc_entry(t->name, recent_net->xt_recent);
#endif
recent_table_flush(t);
- kfree(t);
+ recent_table_free(t);
}
mutex_unlock(&recent_mutex);
}
@@ -615,6 +629,20 @@ static int __net_init recent_proc_net_init(struct net *net)

static void __net_exit recent_proc_net_exit(struct net *net)
{
+ struct recent_net *recent_net = recent_pernet(net);
+ struct recent_table *t;
+
+ /* recent_net_exit() is called before recent_mt_destroy(). Make sure
+ * that the parent xt_recent proc entry is is empty before trying to
+ * remove it.
+ */
+ spin_lock_bh(&recent_lock);
+ list_for_each_entry(t, &recent_net->tables, list)
+ remove_proc_entry(t->name, recent_net->xt_recent);
+
+ recent_net->xt_recent = NULL;
+ spin_unlock_bh(&recent_lock);
+
proc_net_remove(net, "xt_recent");
}
#else
@@ -638,9 +666,6 @@ static int __net_init recent_net_init(struct net *net)

static void __net_exit recent_net_exit(struct net *net)
{
- struct recent_net *recent_net = recent_pernet(net);
-
- BUG_ON(!list_empty(&recent_net->tables));
recent_proc_net_exit(net);
}

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index f419f0a9..078fb30 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -650,29 +650,43 @@ static char *driver_short_names[] DELAYED_INITDATA_MARK = {
#define get_azx_dev(substream) (substream->runtime->private_data)

#ifdef CONFIG_X86
-static void __mark_pages_wc(struct azx *chip, void *addr, size_t size, bool on)
+static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
{
+ int pages;
+
if (azx_snoop(chip))
return;
- if (addr && size) {
- int pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ if (!dmab || !dmab->area || !dmab->bytes)
+ return;
+
+#ifdef CONFIG_SND_DMA_SGBUF
+ if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
+ struct snd_sg_buf *sgbuf = dmab->private_data;
if (on)
- set_memory_wc((unsigned long)addr, pages);
+ set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
else
- set_memory_wb((unsigned long)addr, pages);
+ set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
+ return;
}
+#endif
+
+ pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ if (on)
+ set_memory_wc((unsigned long)dmab->area, pages);
+ else
+ set_memory_wb((unsigned long)dmab->area, pages);
}

static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
bool on)
{
- __mark_pages_wc(chip, buf->area, buf->bytes, on);
+ __mark_pages_wc(chip, buf, on);
}
static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
- struct snd_pcm_runtime *runtime, bool on)
+ struct snd_pcm_substream *substream, bool on)
{
if (azx_dev->wc_marked != on) {
- __mark_pages_wc(chip, runtime->dma_area, runtime->dma_bytes, on);
+ __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
azx_dev->wc_marked = on;
}
}
@@ -683,7 +697,7 @@ static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
{
}
static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
- struct snd_pcm_runtime *runtime, bool on)
+ struct snd_pcm_substream *substream, bool on)
{
}
#endif
@@ -1860,11 +1874,10 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx *chip = apcm->chip;
- struct snd_pcm_runtime *runtime = substream->runtime;
struct azx_dev *azx_dev = get_azx_dev(substream);
int ret;

- mark_runtime_wc(chip, azx_dev, runtime, false);
+ mark_runtime_wc(chip, azx_dev, substream, false);
azx_dev->bufsize = 0;
azx_dev->period_bytes = 0;
azx_dev->format_val = 0;
@@ -1872,7 +1885,7 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
params_buffer_bytes(hw_params));
if (ret < 0)
return ret;
- mark_runtime_wc(chip, azx_dev, runtime, true);
+ mark_runtime_wc(chip, azx_dev, substream, true);
return ret;
}

@@ -1881,7 +1894,6 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx_dev *azx_dev = get_azx_dev(substream);
struct azx *chip = apcm->chip;
- struct snd_pcm_runtime *runtime = substream->runtime;
struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];

/* reset BDL address */
@@ -1894,7 +1906,7 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream)

snd_hda_codec_cleanup(apcm->codec, hinfo, substream);

- mark_runtime_wc(chip, azx_dev, runtime, false);
+ mark_runtime_wc(chip, azx_dev, substream, false);
return snd_pcm_lib_free_pages(substream);
}

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bbaf67c..c98cb89 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4688,6 +4688,7 @@ static const struct snd_pci_quirk alc880_fixup_tbl[] = {
SND_PCI_QUIRK(0x1584, 0x9077, "Uniwill P53", ALC880_FIXUP_VOL_KNOB),
SND_PCI_QUIRK(0x161f, 0x203d, "W810", ALC880_FIXUP_W810),
SND_PCI_QUIRK(0x161f, 0x205d, "Medion Rim 2150", ALC880_FIXUP_MEDION_RIM),
+ SND_PCI_QUIRK(0x1631, 0xe011, "PB 13201056", ALC880_FIXUP_6ST),
SND_PCI_QUIRK(0x1734, 0x107c, "FSC F1734", ALC880_FIXUP_F1734),
SND_PCI_QUIRK(0x1734, 0x1094, "FSC Amilo M1451G", ALC880_FIXUP_FUJITSU),
SND_PCI_QUIRK(0x1734, 0x10ac, "FSC AMILO Xi 1526", ALC880_FIXUP_F1734),
@@ -5702,6 +5703,7 @@ static const struct alc_model_fixup alc268_fixup_models[] = {
};

static const struct snd_pci_quirk alc268_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1025, 0x015b, "Acer AOA 150 (ZG5)", ALC268_FIXUP_INV_DMIC),
/* below is codec SSID since multiple Toshiba laptops have the
* same PCI SSID 1179:ff00
*/
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 08ae3cb..f9d9f68 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -648,7 +648,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
}
sr_val = i;

- lrclk = snd_soc_params_to_bclk(params) / params_rate(params);
+ lrclk = rates[bclk] / params_rate(params);

arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
rates[bclk], rates[bclk] / lrclk);
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index 7ef4e96..0f2bb25 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -897,8 +897,6 @@ static const char *wm2200_mixer_texts[] = {
"EQR",
"LHPF1",
"LHPF2",
- "LHPF3",
- "LHPF4",
"DSP1.1",
"DSP1.2",
"DSP1.3",
@@ -931,7 +929,6 @@ static int wm2200_mixer_values[] = {
0x25,
0x50, /* EQ */
0x51,
- 0x52,
0x60, /* LHPF1 */
0x61, /* LHPF2 */
0x68, /* DSP1 */
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 298070e..41e8bfb 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1259,16 +1259,23 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void
}
channels = (hdr->bLength - 7) / csize - 1;
bmaControls = hdr->bmaControls;
+ if (hdr->bLength < 7 + csize) {
+ snd_printk(KERN_ERR "usbaudio: unit %u: "
+ "invalid UAC_FEATURE_UNIT descriptor\n",
+ unitid);
+ return -EINVAL;
+ }
} else {
struct uac2_feature_unit_descriptor *ftr = _ftr;
csize = 4;
channels = (hdr->bLength - 6) / 4 - 1;
bmaControls = ftr->bmaControls;
- }
-
- if (hdr->bLength < 7 || !csize || hdr->bLength < 7 + csize) {
- snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid);
- return -EINVAL;
+ if (hdr->bLength < 6 + csize) {
+ snd_printk(KERN_ERR "usbaudio: unit %u: "
+ "invalid UAC_FEATURE_UNIT descriptor\n",
+ unitid);
+ return -EINVAL;
+ }
}

/* parse the source unit */
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 9718e98..62e7bd6 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -332,7 +332,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
mutex_lock(&kvm->irqfds.resampler_lock);

list_for_each_entry(resampler,
- &kvm->irqfds.resampler_list, list) {
+ &kvm->irqfds.resampler_list, link) {
if (resampler->notifier.gsi == irqfd->gsi) {
irqfd->resampler = resampler;
break;

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