diff --git a/Makefile b/Makefile
index 621f7b3..1ae3a39 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 25
-EXTRAVERSION = .2
+EXTRAVERSION = .3
NAME = Funky Weasel is Jiggy wit it

# *DOCUMENTATION*
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index d51bc8b..b4565bb 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -1176,7 +1176,7 @@ space_cccc_001x(kprobe_opcode_t insn, struct arch_specific_insn *asi)
* *S (bit 20) updates condition codes
* ADC/SBC/RSC reads the C flag
*/
- insn &= 0xfff00ff0; /* Rn = r0, Rd = r0 */
+ insn &= 0xfff00fff; /* Rn = r0, Rd = r0 */
asi->insn[0] = insn;
asi->insn_handler = (insn & (1 << 20)) ? /* S-bit */
emulate_alu_imm_rwflags : emulate_alu_imm_rflags;
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index 13e371a..5593dd2 100644
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -66,7 +66,7 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
return -ENOMEM;
for (is = 0; is < MAX_INSN_SIZE; ++is)
p->ainsn.insn[is] = tmp_insn[is];
- flush_insns(&p->ainsn.insn, MAX_INSN_SIZE);
+ flush_insns(p->ainsn.insn, MAX_INSN_SIZE);
break;

case INSN_GOOD_NO_SLOT: /* instruction doesn't need insn slot */
diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c
index 42bf09d..9f8c8e1 100644
--- a/arch/sparc/kernel/sys_sparc.c
+++ b/arch/sparc/kernel/sys_sparc.c
@@ -224,8 +224,7 @@ int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
{
if (ARCH_SUN4C_SUN4 &&
(len > 0x20000000 ||
- ((flags & MAP_FIXED) &&
- addr < 0xe0000000 && addr + len > 0x20000000)))
+ (addr < 0xe0000000 && addr + len > 0x20000000)))
return -EINVAL;

/* See asm-sparc/uaccess.h */
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index f952745..cc37936 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -549,13 +549,13 @@ int sparc64_mmap_check(unsigned long addr, unsigned long len,
if (len >= STACK_TOP32)
return -EINVAL;

- if ((flags & MAP_FIXED) && addr > STACK_TOP32 - len)
+ if (addr > STACK_TOP32 - len)
return -EINVAL;
} else {
if (len >= VA_EXCLUDE_START)
return -EINVAL;

- if ((flags & MAP_FIXED) && invalid_64bit_range(addr, len))
+ if (invalid_64bit_range(addr, len))
return -EINVAL;
}

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 7b6e3bb..05356ce 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -372,13 +372,16 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
{}
};

+void __init dmi_check_pciprobe(void)
+{
+ dmi_check_system(pciprobe_dmi_table);
+}
+
struct pci_bus * __devinit pcibios_scan_root(int busnum)
{
struct pci_bus *bus = NULL;
struct pci_sysdata *sd;

- dmi_check_system(pciprobe_dmi_table);
-
while ((bus = pci_find_next_bus(bus)) != NULL) {
if (bus->number == busnum) {
/* Already scanned */
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index 3de9f9b..f1bf4e5 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -32,6 +32,8 @@ static __init int pci_access_init(void)
printk(KERN_ERR
"PCI: Fatal: No config space access function found\n");

+ dmi_check_pciprobe();
+
return 0;
}
arch_initcall(pci_access_init);
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index 3431518..95e5675 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -39,6 +39,8 @@ enum pci_bf_sort_state {
pci_dmi_bf,
};

+extern void __init dmi_check_pciprobe(void);
+
/* pci-i386.c */

extern unsigned int pcibios_max_latency;
diff --git a/crypto/authenc.c b/crypto/authenc.c
index ed8ac5a..4b22676 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -217,9 +217,10 @@ static void crypto_authenc_givencrypt_done(struct crypto_async_request *req,
int err)
{
if (!err) {
- struct aead_givcrypt_request *greq = req->data;
+ struct aead_request *areq = req->data;
+ struct skcipher_givcrypt_request *greq = aead_request_ctx(areq);

- err = crypto_authenc_genicv(&greq->areq, greq->giv, 0);
+ err = crypto_authenc_genicv(areq, greq->giv, 0);
}

aead_request_complete(req->data, err);
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 2504252..b150de5 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -190,8 +190,10 @@ static struct crypto_instance *cryptd_alloc_instance(struct crypto_alg *alg,
int err;

inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
- if (IS_ERR(inst))
+ if (!inst) {
+ inst = ERR_PTR(-ENOMEM);
goto out;
+ }

err = -ENAMETOOLONG;
if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c
index b14f14e..881d309 100644
--- a/crypto/eseqiv.c
+++ b/crypto/eseqiv.c
@@ -136,7 +136,8 @@ static int eseqiv_givencrypt(struct skcipher_givcrypt_request *req)
}

ablkcipher_request_set_crypt(subreq, reqctx->src, dst,
- req->creq.nbytes, req->creq.info);
+ req->creq.nbytes + ivsize,
+ req->creq.info);

memcpy(req->creq.info, ctx->salt, ivsize);

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 788da97..836362b 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -848,6 +848,7 @@ static int acpi_processor_get_power_info_default(struct acpi_processor *pr)
/* all processors need to support C1 */
pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1;
pr->power.states[ACPI_STATE_C1].valid = 1;
+ pr->power.states[ACPI_STATE_C1].entry_method = ACPI_CSTATE_HALT;
}
/* the C0 state only exists as a filler in our array */
pr->power.states[ACPI_STATE_C0].valid = 1;
@@ -960,6 +961,9 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
cx.address);
}

+ if (cx.type == ACPI_STATE_C1) {
+ cx.valid = 1;
+ }

obj = &(element->package.elements[2]);
if (obj->type != ACPI_TYPE_INTEGER)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 61ccbd2..9f6d228 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2096,7 +2096,7 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr,
rv = -EBUSY;
else
rv = entry->store(rdev, page, length);
- mddev_unlock(rdev->mddev);
+ mddev_unlock(mddev);
}
return rv;
}
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index f13346b..44ebdea 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -628,6 +628,10 @@ struct b43_wl {

struct mutex mutex;
spinlock_t irq_lock;
+ /* R/W lock for data transmission.
+ * Transmissions on 2+ queues can run concurrently, but somebody else
+ * might sync with TX by write_lock_irqsave()'ing. */
+ rwlock_t tx_lock;
/* Lock for LEDs access. */
spinlock_t leds_lock;
/* Lock for SHM access. */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index f23317e..e0055d0 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -622,6 +622,7 @@ static void b43_synchronize_irq(struct b43_wldev *dev)
*/
void b43_dummy_transmission(struct b43_wldev *dev)
{
+ struct b43_wl *wl = dev->wl;
struct b43_phy *phy = &dev->phy;
unsigned int i, max_loop;
u16 value;
@@ -648,6 +649,9 @@ void b43_dummy_transmission(struct b43_wldev *dev)
return;
}

+ spin_lock_irq(&wl->irq_lock);
+ write_lock(&wl->tx_lock);
+
for (i = 0; i < 5; i++)
b43_ram_write(dev, i * 4, buffer[i]);

@@ -688,6 +692,9 @@ void b43_dummy_transmission(struct b43_wldev *dev)
}
if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
b43_radio_write16(dev, 0x0051, 0x0037);
+
+ write_unlock(&wl->tx_lock);
+ spin_unlock_irq(&wl->irq_lock);
}

static void key_write(struct b43_wldev *dev,
@@ -2592,15 +2599,21 @@ static int b43_op_tx(struct ieee80211_hw *hw,
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
- int err = -ENODEV;
+ unsigned long flags;
+ int err;

if (unlikely(!dev))
- goto out;
- if (unlikely(b43_status(dev) < B43_STAT_STARTED))
- goto out;
- /* DMA-TX is done without a global lock. */
- err = b43_dma_tx(dev, skb, ctl);
-out:
+ return NETDEV_TX_BUSY;
+
+ /* Transmissions on seperate queues can run concurrently. */
+ read_lock_irqsave(&wl->tx_lock, flags);
+
+ err = -ENODEV;
+ if (likely(b43_status(dev) >= B43_STAT_STARTED))
+ err = b43_dma_tx(dev, skb, ctl);
+
+ read_unlock_irqrestore(&wl->tx_lock, flags);
+
if (unlikely(err))
return NETDEV_TX_BUSY;
return NETDEV_TX_OK;
@@ -3109,7 +3122,9 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
spin_unlock_irqrestore(&wl->irq_lock, flags);
b43_synchronize_irq(dev);

+ write_lock_irqsave(&wl->tx_lock, flags);
b43_set_status(dev, B43_STAT_INITIALIZED);
+ write_unlock_irqrestore(&wl->tx_lock, flags);

mutex_unlock(&wl->mutex);
/* Must unlock as it would otherwise deadlock. No races here.
@@ -3117,8 +3132,6 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
cancel_delayed_work_sync(&dev->periodic_work);
mutex_lock(&wl->mutex);

- ieee80211_stop_queues(wl->hw); //FIXME this could cause a deadlock, as mac80211 seems buggy.
-
b43_mac_suspend(dev);
free_irq(dev->dev->irq, dev);
b43dbg(wl, "Wireless interface stopped\n");
@@ -3912,6 +3925,14 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
err = -EOPNOTSUPP;
goto err_powerdown;
}
+ if (1 /* disable A-PHY */) {
+ /* FIXME: For now we disable the A-PHY on multi-PHY devices. */
+ if (dev->phy.type != B43_PHYTYPE_N) {
+ have_2ghz_phy = 1;
+ have_5ghz_phy = 0;
+ }
+ }
+
dev->phy.gmode = have_2ghz_phy;
tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0;
b43_wireless_core_reset(dev, tmp);
@@ -4076,6 +4097,7 @@ static int b43_wireless_init(struct ssb_device *dev)
memset(wl, 0, sizeof(*wl));
wl->hw = hw;
spin_lock_init(&wl->irq_lock);
+ rwlock_init(&wl->tx_lock);
spin_lock_init(&wl->leds_lock);
spin_lock_init(&wl->shm_lock);
mutex_init(&wl->mutex);
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index d93b357..7a3625f 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -1221,8 +1221,8 @@ static struct of_device_id mpc52xx_uart_of_match[] = {
#endif
#ifdef CONFIG_PPC_MPC512x
{ .compatible = "fsl,mpc5121-psc-uart", .data = &mpc512x_psc_ops, },
- {},
#endif
+ {},
};

static int __devinit
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index e0f0f09..9f877ab 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -11,8 +11,6 @@
#include
#include

-static int reiserfs_unpack(struct inode *inode, struct file *filp);
-
/*
** reiserfs_ioctl - handler for ioctl for inode
** supported commands:
@@ -140,7 +138,7 @@ int reiserfs_prepare_write(struct file *f, struct page *page,
** Function try to convert tail from direct item into indirect.
** It set up nopack attribute in the REISERFS_I(inode)->nopack
*/
-static int reiserfs_unpack(struct inode *inode, struct file *filp)
+int reiserfs_unpack(struct inode *inode, struct file *filp)
{
int retval = 0;
int index;
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 393cc22..3302259 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2019,6 +2019,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
{
int err;
struct nameidata nd;
+ struct inode *inode;

if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
return -EINVAL;
@@ -2030,12 +2031,18 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
path_put(&nd.path);
return -EXDEV;
}
+ inode = nd.path.dentry->d_inode;
/* We must not pack tails for quota files on reiserfs for quota IO to work */
- if (!(REISERFS_I(nd.path.dentry->d_inode)->i_flags & i_nopack_mask)) {
- reiserfs_warning(sb,
- "reiserfs: Quota file must have tail packing disabled.");
- path_put(&nd.path);
- return -EINVAL;
+ if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
+ err = reiserfs_unpack(inode, NULL);
+ if (err) {
+ reiserfs_warning(sb,
+ "reiserfs: Unpacking tail of quota file failed"
+ " (%d). Cannot turn on quotas.", err);
+ path_put(&nd.path);
+ return -EINVAL;
+ }
+ mark_inode_dirty(inode);
}
/* Not journalling quota? No more tests needed... */
if (!REISERFS_SB(sb)->s_qf_names[USRQUOTA] &&
diff --git a/fs/utimes.c b/fs/utimes.c
index b18da9c..80a481e 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -39,9 +39,14 @@ asmlinkage long sys_utime(char __user *filename, struct utimbuf __user *times)

#endif

+static bool nsec_special(long nsec)
+{
+ return nsec == UTIME_OMIT || nsec == UTIME_NOW;
+}
+
static bool nsec_valid(long nsec)
{
- if (nsec == UTIME_OMIT || nsec == UTIME_NOW)
+ if (nsec_special(nsec))
return true;

return nsec >= 0 && nsec <= 999999999;
@@ -115,7 +120,15 @@ long do_utimes(int dfd, char __user *filename, struct timespec *times, int flags
newattrs.ia_mtime.tv_nsec = times[1].tv_nsec;
newattrs.ia_valid |= ATTR_MTIME_SET;
}
- } else {
+ }
+
+ /*
+ * If times is NULL or both times are either UTIME_OMIT or
+ * UTIME_NOW, then need to check permissions, because
+ * inode_change_ok() won't do it.
+ */
+ if (!times || (nsec_special(times[0].tv_nsec) &&
+ nsec_special(times[1].tv_nsec))) {
error = -EACCES;
if (IS_IMMUTABLE(inode))
goto dput_and_out;
diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 224658b..833d208 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -57,10 +57,14 @@ static inline void scatterwalk_sg_chain(struct scatterlist *sg1, int num,
struct scatterlist *sg2)
{
sg_set_page(&sg1[num - 1], (void *)sg2, 0, 0);
+ sg1[num - 1].page_link &= ~0x02;
}

static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
{
+ if (sg_is_last(sg))
+ return NULL;
+
return (++sg)->length ? sg : (void *)sg_page(sg);
}

diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 8e7eff2..4aacaee 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -2176,6 +2176,7 @@ int reiserfs_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
long reiserfs_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg);
+int reiserfs_unpack(struct inode *inode, struct file *filp);

/* ioctl's command */
#define REISERFS_IOC_UNPACK _IOW(0xCD,1,long)
diff --git a/kernel/sched.c b/kernel/sched.c
index 8dcdec6..1e4596c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -876,6 +876,7 @@ static inline void resched_rq(struct rq *rq)
enum {
HRTICK_SET, /* re-programm hrtick_timer */
HRTICK_RESET, /* not a new slice */
+ HRTICK_BLOCK, /* stop hrtick operations */
};

/*
@@ -887,6 +888,8 @@ static inline int hrtick_enabled(struct rq *rq)
{
if (!sched_feat(HRTICK))
return 0;
+ if (unlikely(test_bit(HRTICK_BLOCK, &rq->hrtick_flags)))
+ return 0;
return hrtimer_is_hres_active(&rq->hrtick_timer);
}

@@ -969,7 +972,63 @@ static enum hrtimer_restart hrtick(struct hrtimer *timer)
return HRTIMER_NORESTART;
}

-static inline void init_rq_hrtick(struct rq *rq)
+static void hotplug_hrtick_disable(int cpu)
+{
+ struct rq *rq = cpu_rq(cpu);
+ unsigned long flags;
+
+ spin_lock_irqsave(&rq->lock, flags);
+ rq->hrtick_flags = 0;
+ __set_bit(HRTICK_BLOCK, &rq->hrtick_flags);
+ spin_unlock_irqrestore(&rq->lock, flags);
+
+ hrtick_clear(rq);
+}
+
+static void hotplug_hrtick_enable(int cpu)
+{
+ struct rq *rq = cpu_rq(cpu);
+ unsigned long flags;
+
+ spin_lock_irqsave(&rq->lock, flags);
+ __clear_bit(HRTICK_BLOCK, &rq->hrtick_flags);
+ spin_unlock_irqrestore(&rq->lock, flags);
+}
+
+static int
+hotplug_hrtick(struct notifier_block *nfb, unsigned long action, void *hcpu)
+{
+ int cpu = (int)(long)hcpu;
+
+ switch (action) {
+ case CPU_UP_CANCELED:
+ case CPU_UP_CANCELED_FROZEN:
+ case CPU_DOWN_PREPARE:
+ case CPU_DOWN_PREPARE_FROZEN:
+ case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
+ hotplug_hrtick_disable(cpu);
+ return NOTIFY_OK;
+
+ case CPU_UP_PREPARE:
+ case CPU_UP_PREPARE_FROZEN:
+ case CPU_DOWN_FAILED:
+ case CPU_DOWN_FAILED_FROZEN:
+ case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
+ hotplug_hrtick_enable(cpu);
+ return NOTIFY_OK;
+ }
+
+ return NOTIFY_DONE;
+}
+
+static void init_hrtick(void)
+{
+ hotcpu_notifier(hotplug_hrtick, 0);
+}
+
+static void init_rq_hrtick(struct rq *rq)
{
rq->hrtick_flags = 0;
hrtimer_init(&rq->hrtick_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
@@ -1006,6 +1065,10 @@ static inline void init_rq_hrtick(struct rq *rq)
void hrtick_resched(void)
{
}
+
+static inline void init_hrtick(void)
+{
+}
#endif

/*
@@ -7094,6 +7157,7 @@ void __init sched_init_smp(void)
put_online_cpus();
/* XXX: Theoretical race here - CPU may be hotplugged now */
hotcpu_notifier(update_sched_domains, 0);
+ init_hrtick();

/* Move init over to a non-isolated CPU */
if (set_cpus_allowed(current, non_isolated_cpus) < 0)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 402a504..55443c2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2518,7 +2518,9 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
struct page *page;
unsigned long end_pfn = start_pfn + size;
unsigned long pfn;
+ struct zone *z;

+ z = &NODE_DATA(nid)->node_zones[zone];
for (pfn = start_pfn; pfn < end_pfn; pfn++) {
/*
* There can be holes in boot-time mem_map[]s
@@ -2536,7 +2538,6 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
init_page_count(page);
reset_page_mapcount(page);
SetPageReserved(page);
-
/*
* Mark the block movable so that blocks are reserved for
* movable at startup. This will force kernel allocations
@@ -2545,8 +2546,15 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
* kernel allocations are made. Later some blocks near
* the start are marked MIGRATE_RESERVE by
* setup_zone_migrate_reserve()
+ *
+ * bitmap is created for zone's valid pfn range. but memmap
+ * can be created for invalid pages (for alignment)
+ * check here not to call set_pageblock_migratetype() against
+ * pfn out of zone.
*/
- if ((pfn & (pageblock_nr_pages-1)))
+ if ((z->zone_start_pfn <= pfn)
+ && (pfn < z->zone_start_pfn + z->spanned_pages)
+ && !(pfn & (pageblock_nr_pages - 1)))
set_pageblock_migratetype(page, MIGRATE_MOVABLE);

INIT_LIST_HEAD(&page->lru);
@@ -4460,6 +4468,8 @@ void set_pageblock_flags_group(struct page *page, unsigned long flags,
pfn = page_to_pfn(page);
bitmap = get_pageblock_bitmap(zone, pfn);
bitidx = pfn_to_bitidx(zone, pfn);
+ VM_BUG_ON(pfn < zone->zone_start_pfn);
+ VM_BUG_ON(pfn >= zone->zone_start_pfn + zone->spanned_pages);

for (; start_bitidx <= end_bitidx; start_bitidx++, value <<= 1)
if (flags & value)
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 1656c00..4de86c4 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -446,9 +446,9 @@ static int ipip6_rcv(struct sk_buff *skb)
}

icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
- kfree_skb(skb);
read_unlock(&ipip6_lock);
out:
+ kfree_skb(skb);
return 0;
}

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