Re: Linux 2.6.32.36

From: Greg KH
Date: Sun Mar 27 2011 - 19:01:06 EST

diff --git a/Makefile b/Makefile
index 63fce32..ec428b7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 32
-EXTRAVERSION = .35
+EXTRAVERSION = .36
NAME = Man-Eating Seals of Antiquity

# *DOCUMENTATION*
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 0b06cd7..0b08160 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -76,9 +76,6 @@ void __init x86_64_start_kernel(char * real_mode_data)
/* Make NULL pointers segfault */
zap_identity_mappings();

- /* Cleanup the over mapped high alias */
- cleanup_highmap();
-
for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) {
#ifdef CONFIG_EARLY_PRINTK
set_intr_gate(i, &early_idt_handlers[i]);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 5449a26..76358ee 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -294,6 +294,9 @@ static void __init init_gbpages(void)
static inline void init_gbpages(void)
{
}
+static void __init cleanup_highmap(void)
+{
+}
#endif

static void __init reserve_brk(void)
@@ -921,6 +924,8 @@ void __init setup_arch(char **cmdline_p)

reserve_brk();

+ cleanup_highmap();
+
init_gbpages();

/* max_pfn_mapped is updated here */
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 73ffd55..6bce215 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -287,25 +287,6 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
load_cr3(swapper_pg_dir);
#endif

-#ifdef CONFIG_X86_64
- if (!after_bootmem && !start) {
- pud_t *pud;
- pmd_t *pmd;
-
- mmu_cr4_features = read_cr4();
-
- /*
- * _brk_end cannot change anymore, but it and _end may be
- * located on different 2M pages. cleanup_highmap(), however,
- * can only consider _end when it runs, so destroy any
- * mappings beyond _brk_end here.
- */
- pud = pud_offset(pgd_offset_k(_brk_end), _brk_end);
- pmd = pmd_offset(pud, _brk_end - 1);
- while (++pmd <= pmd_offset(pud, (unsigned long)_end - 1))
- pmd_clear(pmd);
- }
-#endif
__flush_tlb_all();

if (!after_bootmem && e820_table_end > e820_table_start)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 7d095ad..1584023 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -49,6 +49,7 @@
#include <asm/numa.h>
#include <asm/cacheflush.h>
#include <asm/init.h>
+#include <asm/setup.h>
#include <linux/bootmem.h>

static unsigned long dma_reserve __initdata;
@@ -257,18 +258,18 @@ void __init init_extra_mapping_uc(unsigned long phys, unsigned long size)
* to the compile time generated pmds. This results in invalid pmds up
* to the point where we hit the physaddr 0 mapping.
*
- * We limit the mappings to the region from _text to _end. _end is
- * rounded up to the 2MB boundary. This catches the invalid pmds as
+ * We limit the mappings to the region from _text to _brk_end. _brk_end
+ * is rounded up to the 2MB boundary. This catches the invalid pmds as
* well, as they are located before _text:
*/
void __init cleanup_highmap(void)
{
unsigned long vaddr = __START_KERNEL_map;
- unsigned long end = roundup((unsigned long)_end, PMD_SIZE) - 1;
+ unsigned long vaddr_end = __START_KERNEL_map + (max_pfn_mapped << PAGE_SHIFT);
+ unsigned long end = roundup((unsigned long)_brk_end, PMD_SIZE) - 1;
pmd_t *pmd = level2_kernel_pgt;
- pmd_t *last_pmd = pmd + PTRS_PER_PMD;

- for (; pmd < last_pmd; pmd++, vaddr += PMD_SIZE) {
+ for (; vaddr + PMD_SIZE - 1 < vaddr_end; pmd++, vaddr += PMD_SIZE) {
if (pmd_none(*pmd))
continue;
if (vaddr < (unsigned long) _text || vaddr > end)
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 350a3de..6ec047d 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1658,9 +1658,6 @@ static __init void xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
for (pteidx = 0; pteidx < PTRS_PER_PTE; pteidx++, pfn++) {
pte_t pte;

- if (pfn > max_pfn_mapped)
- max_pfn_mapped = pfn;
-
if (!pte_none(pte_page[pteidx]))
continue;

@@ -1704,6 +1701,12 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
pud_t *l3;
pmd_t *l2;

+ /* max_pfn_mapped is the last pfn mapped in the initial memory
+ * mappings. Considering that on Xen after the kernel mappings we
+ * have the mappings of some pages that don't exist in pfn space, we
+ * set max_pfn_mapped to the last real pfn mapped. */
+ max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->mfn_list));
+
/* Zap identity mapping */
init_level4_pgt[0] = __pgd(0);

@@ -1767,9 +1770,7 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
{
pmd_t *kernel_pmd;

- max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->pt_base) +
- xen_start_info->nr_pt_frames * PAGE_SIZE +
- 512*1024);
+ max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->mfn_list));

kernel_pmd = m2v(pgd[KERNEL_PGD_BOUNDARY].pgd);
memcpy(level2_kernel_pgt, kernel_pmd, sizeof(pmd_t) * PTRS_PER_PMD);
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index 18d65fb..3abb515 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -267,8 +267,10 @@ int dcdbas_smi_request(struct smi_cmd *smi_cmd)
}

/* generate SMI */
+ /* inb to force posted write through and make SMI happen now */
asm volatile (
- "outb %b0,%w1"
+ "outb %b0,%w1\n"
+ "inb %w1"
: /* no output args */
: "a" (smi_cmd->command_code),
"d" (smi_cmd->command_address),
diff --git a/drivers/input/xen-kbdfront.c b/drivers/input/xen-kbdfront.c
index b115726..eb88f40 100644
--- a/drivers/input/xen-kbdfront.c
+++ b/drivers/input/xen-kbdfront.c
@@ -105,7 +105,7 @@ static irqreturn_t input_handler(int rq, void *dev_id)
static int __devinit xenkbd_probe(struct xenbus_device *dev,
const struct xenbus_device_id *id)
{
- int ret, i;
+ int ret, i, abs;
struct xenkbd_info *info;
struct input_dev *kbd, *ptr;

@@ -123,6 +123,11 @@ static int __devinit xenkbd_probe(struct xenbus_device *dev,
if (!info->page)
goto error_nomem;

+ if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-abs-pointer", "%d", &abs) < 0)
+ abs = 0;
+ if (abs)
+ xenbus_printf(XBT_NIL, dev->nodename, "request-abs-pointer", "1");
+
/* keyboard */
kbd = input_allocate_device();
if (!kbd)
@@ -132,11 +137,12 @@ static int __devinit xenkbd_probe(struct xenbus_device *dev,
kbd->id.bustype = BUS_PCI;
kbd->id.vendor = 0x5853;
kbd->id.product = 0xffff;
- kbd->evbit[0] = BIT(EV_KEY);
+
+ __set_bit(EV_KEY, kbd->evbit);
for (i = KEY_ESC; i < KEY_UNKNOWN; i++)
- set_bit(i, kbd->keybit);
+ __set_bit(i, kbd->keybit);
for (i = KEY_OK; i < KEY_MAX; i++)
- set_bit(i, kbd->keybit);
+ __set_bit(i, kbd->keybit);

ret = input_register_device(kbd);
if (ret) {
@@ -155,12 +161,20 @@ static int __devinit xenkbd_probe(struct xenbus_device *dev,
ptr->id.bustype = BUS_PCI;
ptr->id.vendor = 0x5853;
ptr->id.product = 0xfffe;
- ptr->evbit[0] = BIT(EV_KEY) | BIT(EV_REL) | BIT(EV_ABS);
+
+ if (abs) {
+ __set_bit(EV_ABS, ptr->evbit);
+ input_set_abs_params(ptr, ABS_X, 0, XENFB_WIDTH, 0, 0);
+ input_set_abs_params(ptr, ABS_Y, 0, XENFB_HEIGHT, 0, 0);
+ } else {
+ input_set_capability(ptr, EV_REL, REL_X);
+ input_set_capability(ptr, EV_REL, REL_Y);
+ }
+ input_set_capability(ptr, EV_REL, REL_WHEEL);
+
+ __set_bit(EV_KEY, ptr->evbit);
for (i = BTN_LEFT; i <= BTN_TASK; i++)
- set_bit(i, ptr->keybit);
- ptr->relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL);
- input_set_abs_params(ptr, ABS_X, 0, XENFB_WIDTH, 0, 0);
- input_set_abs_params(ptr, ABS_Y, 0, XENFB_HEIGHT, 0, 0);
+ __set_bit(i, ptr->keybit);

ret = input_register_device(ptr);
if (ret) {
@@ -267,7 +281,7 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
enum xenbus_state backend_state)
{
struct xenkbd_info *info = dev_get_drvdata(&dev->dev);
- int ret, val;
+ int val;

switch (backend_state) {
case XenbusStateInitialising:
@@ -278,17 +292,6 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,

case XenbusStateInitWait:
InitWait:
- ret = xenbus_scanf(XBT_NIL, info->xbdev->otherend,
- "feature-abs-pointer", "%d", &val);
- if (ret < 0)
- val = 0;
- if (val) {
- ret = xenbus_printf(XBT_NIL, info->xbdev->nodename,
- "request-abs-pointer", "1");
- if (ret)
- printk(KERN_WARNING
- "xenkbd: can't request abs-pointer");
- }
xenbus_switch_state(dev, XenbusStateConnected);
break;

diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index a6e41d1..688598a 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -64,15 +64,19 @@ int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit,
static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl)
{
- struct uvc_format *format;
+ struct uvc_format *format = NULL;
struct uvc_frame *frame = NULL;
unsigned int i;

- if (ctrl->bFormatIndex <= 0 ||
- ctrl->bFormatIndex > stream->nformats)
- return;
+ for (i = 0; i < stream->nformats; ++i) {
+ if (stream->format[i].index == ctrl->bFormatIndex) {
+ format = &stream->format[i];
+ break;
+ }
+ }

- format = &stream->format[ctrl->bFormatIndex - 1];
+ if (format == NULL)
+ return;

for (i = 0; i < format->nframes; ++i) {
if (format->frame[i].bFrameIndex == ctrl->bFrameIndex) {
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 58d25a1..73e7d8e 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -213,6 +213,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)

pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
if (pdev) {
+ pdev->current_state = PCI_D0;
slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
pci_dev_put(pdev);
}
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 0964b4c..8313311 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -939,7 +939,12 @@ static ssize_t reset_store(struct device *dev,

if (val != 1)
return -EINVAL;
- return pci_reset_function(pdev);
+
+ result = pci_reset_function(pdev);
+ if (result < 0)
+ return result;
+
+ return count;
}

static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_store);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 399dd67..4e32da6 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -297,6 +297,8 @@ static void acm_ctrl_irq(struct urb *urb)
if (!ACM_READY(acm))
goto exit;

+ usb_mark_last_busy(acm->dev);
+
data = (unsigned char *)(dr + 1);
switch (dr->bNotificationType) {
case USB_CDC_NOTIFY_NETWORK_CONNECTION:
@@ -336,7 +338,6 @@ static void acm_ctrl_irq(struct urb *urb)
break;
}
exit:
- usb_mark_last_busy(acm->dev);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
dev_err(&urb->dev->dev, "%s - usb_submit_urb failed with "
@@ -534,6 +535,8 @@ static void acm_softint(struct work_struct *work)
if (!ACM_READY(acm))
return;
tty = tty_port_tty_get(&acm->port);
+ if (!tty)
+ return;
tty_wakeup(tty);
tty_kref_put(tty);
}
@@ -652,8 +655,10 @@ static void acm_port_down(struct acm *acm, int drain)
usb_kill_urb(acm->ctrlurb);
for (i = 0; i < ACM_NW; i++)
usb_kill_urb(acm->wb[i].urb);
+ tasklet_disable(&acm->urb_task);
for (i = 0; i < nr; i++)
usb_kill_urb(acm->ru[i].urb);
+ tasklet_enable(&acm->urb_task);
acm->control->needs_remote_wakeup = 0;
usb_autopm_put_interface(acm->control);
}
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index c0d4b39..d4bd6ef 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -315,7 +315,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
int stopped;
unsigned count = 0;
u8 state;
- const __le32 halt = HALT_BIT(ehci);
struct ehci_qh_hw *hw = qh->hw;

if (unlikely (list_empty (&qh->qtd_list)))
@@ -422,7 +421,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
&& !(qtd->hw_alt_next
& EHCI_LIST_END(ehci))) {
stopped = 1;
- goto halt;
}

/* stop scanning when we reach qtds the hc is using */
@@ -456,16 +454,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
*/
ehci_clear_tt_buffer(ehci, qh, urb, token);
}
-
- /* force halt for unlinked or blocked qh, so we'll
- * patch the qh later and so that completions can't
- * activate it while we "know" it's stopped.
- */
- if ((halt & hw->hw_token) == 0) {
-halt:
- hw->hw_token |= halt;
- wmb ();
- }
}

/* unless we already know the urb's status, collect qtd status
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 5a03b2e..56b1e73 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -176,12 +176,11 @@ static struct uss720_async_request *submit_async_request(struct parport_uss720_p
spin_lock_irqsave(&priv->asynclock, flags);
list_add_tail(&rq->asynclist, &priv->asynclist);
spin_unlock_irqrestore(&priv->asynclock, flags);
+ kref_get(&rq->ref_count);
ret = usb_submit_urb(rq->urb, mem_flags);
- if (!ret) {
- kref_get(&rq->ref_count);
+ if (!ret)
return rq;
- }
- kref_put(&rq->ref_count, destroy_async);
+ destroy_async(&rq->ref_count);
err("submit_async_request submit_urb failed with %d", ret);
return NULL;
}
diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c
index 0056a41..15e8e1a 100644
--- a/drivers/video/console/tileblit.c
+++ b/drivers/video/console/tileblit.c
@@ -83,7 +83,7 @@ static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
int softback_lines, int fg, int bg)
{
struct fb_tilecursor cursor;
- int use_sw = (vc->vc_cursor_type & 0x01);
+ int use_sw = (vc->vc_cursor_type & 0x10);

cursor.sx = vc->vc_x;
cursor.sy = vc->vc_y;
diff --git a/fs/aio.c b/fs/aio.c
index b84a769..22a19ad 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -497,7 +497,7 @@ static inline void really_put_req(struct kioctx *ctx, struct kiocb *req)
ctx->reqs_active--;

if (unlikely(!ctx->reqs_active && ctx->dead))
- wake_up(&ctx->wait);
+ wake_up_all(&ctx->wait);
}

static void aio_fput_routine(struct work_struct *data)
@@ -1219,7 +1219,7 @@ static void io_destroy(struct kioctx *ioctx)
* by other CPUs at this point. Right now, we rely on the
* locking done by the above calls to ensure this consistency.
*/
- wake_up(&ioctx->wait);
+ wake_up_all(&ioctx->wait);
put_ioctx(ioctx); /* once for the lookup */
}

diff --git a/fs/dcache.c b/fs/dcache.c
index a100fa3..44c0aea 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1175,9 +1175,12 @@ struct dentry *d_obtain_alias(struct inode *inode)
spin_unlock(&tmp->d_lock);

spin_unlock(&dcache_lock);
+ security_d_instantiate(tmp, inode);
return tmp;

out_iput:
+ if (res && !IS_ERR(res))
+ security_d_instantiate(res, inode);
iput(inode);
return res;
}
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index ca3068f..9cfa28d 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1404,6 +1404,13 @@ static void ext3_orphan_cleanup (struct super_block * sb,
return;
}

+ /* Check if feature set allows readwrite operations */
+ if (EXT3_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP)) {
+ printk(KERN_INFO "EXT3-fs: %s: Skipping orphan cleanup due to "
+ "unknown ROCOMPAT features\n", sb->s_id);
+ return;
+ }
+
if (EXT3_SB(sb)->s_mount_state & EXT3_ERROR_FS) {
if (es->s_last_orphan)
jbd_debug(1, "Errors on filesystem, "
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index bebc0c2..01d83a5 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -964,8 +964,8 @@ typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *,
void *);
enum nfsd4_op_flags {
ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */
- ALLOWED_ON_ABSENT_FS = 2 << 0, /* ops processed on absent fs */
- ALLOWED_AS_FIRST_OP = 3 << 0, /* ops reqired first in compound */
+ ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */
+ ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */
};

struct nfsd4_operation {
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 4fde2c5..4a82a96 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1114,7 +1114,7 @@ nfsd4_decode_create_session(struct nfsd4_compoundargs *argp,

u32 dummy;
char *machine_name;
- int i, j;
+ int i;
int nr_secflavs;

READ_BUF(16);
@@ -1187,8 +1187,6 @@ nfsd4_decode_create_session(struct nfsd4_compoundargs *argp,
READ_BUF(4);
READ32(dummy);
READ_BUF(dummy * 4);
- for (j = 0; j < dummy; ++j)
- READ32(dummy);
break;
case RPC_AUTH_GSS:
dprintk("RPC_AUTH_GSS callback secflavor "
@@ -1204,7 +1202,6 @@ nfsd4_decode_create_session(struct nfsd4_compoundargs *argp,
READ_BUF(4);
READ32(dummy);
READ_BUF(dummy);
- p += XDR_QUADLEN(dummy);
break;
default:
dprintk("Illegal callback secflavor\n");
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 2adedda..c5ef152 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -473,8 +473,8 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
vsize,
mm ? get_mm_rss(mm) : 0,
rsslim,
- mm ? mm->start_code : 0,
- mm ? mm->end_code : 0,
+ mm ? (permitted ? mm->start_code : 1) : 0,
+ mm ? (permitted ? mm->end_code : 1) : 0,
(permitted && mm) ? mm->start_stack : 0,
esp,
eip,
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index e10ef04..3b7b82a 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -244,8 +244,8 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
const char *name = arch_vma_name(vma);
if (!name) {
if (mm) {
- if (vma->vm_start <= mm->start_brk &&
- vma->vm_end >= mm->brk) {
+ if (vma->vm_start <= mm->brk &&
+ vma->vm_end >= mm->start_brk) {
name = "[heap]";
} else if (vma->vm_start <= mm->start_stack &&
vma->vm_end >= mm->start_stack) {
diff --git a/kernel/signal.c b/kernel/signal.c
index 423655a..e26d423 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2351,9 +2351,13 @@ SYSCALL_DEFINE3(rt_sigqueueinfo, pid_t, pid, int, sig,
return -EFAULT;

/* Not even root can pretend to send signals from the kernel.
- Nor can they impersonate a kill(), which adds source info. */
- if (info.si_code >= 0)
+ * Nor can they impersonate a kill()/tgkill(), which adds source info.
+ */
+ if (info.si_code != SI_QUEUE) {
+ /* We used to allow any < 0 si_code */
+ WARN_ON_ONCE(info.si_code < 0);
return -EPERM;
+ }
info.si_signo = sig;

/* POSIX.1b doesn't mention process groups. */
@@ -2367,9 +2371,13 @@ long do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, siginfo_t *info)
return -EINVAL;

/* Not even root can pretend to send signals from the kernel.
- Nor can they impersonate a kill(), which adds source info. */
- if (info->si_code >= 0)
+ * Nor can they impersonate a kill()/tgkill(), which adds source info.
+ */
+ if (info->si_code != SI_QUEUE) {
+ /* We used to allow any < 0 si_code */
+ WARN_ON_ONCE(info->si_code < 0);
return -EPERM;
+ }
info->si_signo = sig;

return do_send_specific(tgid, pid, sig, info);
diff --git a/mm/shmem.c b/mm/shmem.c
index 356dd99..3e0005b 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2691,5 +2691,6 @@ int shmem_zero_setup(struct vm_area_struct *vma)
fput(vma->vm_file);
vma->vm_file = file;
vma->vm_ops = &shmem_vm_ops;
+ vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index b6fcf68..d270403 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -743,6 +743,8 @@ static void xs_reset_transport(struct sock_xprt *transport)
if (sk == NULL)
return;

+ transport->srcport = 0;
+
write_lock_bh(&sk->sk_callback_lock);
transport->inet = NULL;
transport->sock = NULL;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/