Commit Graph

222777 Commits

Author SHA1 Message Date
Linus Torvalds
53f517a1f6 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  [media] v4l: Remove module_name argument to the v4l2_i2c_new_subdev* functions
  [media] v4l: Remove hardcoded module names passed to v4l2_i2c_new_subdev* (2)
2010-12-02 08:05:56 -08:00
Linus Torvalds
04ed0978d5 Merge branch 'rbd-sysfs' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'rbd-sysfs' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  rbd: replace the rbd sysfs interface
2010-12-02 08:05:22 -08:00
Linus Torvalds
8520eeaa12 Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: fix parsing of hostname in dfs referrals
  cifs: display fsc in /proc/mounts
  cifs: enable fscache iff fsc mount option is used explicitly
  cifs: allow fsc mount option only if CONFIG_CIFS_FSCACHE is set
  cifs: Handle extended attribute name cifs_acl to generate cifs acl blob (try #4)
  cifs: Misc. cleanup in cifsacl handling [try #4]
  cifs: trivial comment fix for cifs_invalidate_mapping
  [CIFS] fs/cifs/Kconfig: CIFS depends on CRYPTO_HMAC
  cifs: don't take extra tlink reference in initiate_cifs_search
  cifs: Percolate error up to the caller during get/set acls [try #4]
  cifs: fix another memleak, in cifs_root_iget
  cifs: fix potential use-after-free in cifs_oplock_break_put
2010-12-02 08:04:21 -08:00
Yehuda Sadeh
dfc5606dc5 rbd: replace the rbd sysfs interface
The new interface creates directories per mapped image
and under each it creates a subdir per available snapshot.
This allows keeping a cleaner interface within the sysfs
guidelines. The ABI documentation was updated too.

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
2010-12-01 15:53:22 -08:00
Linus Torvalds
fb82155d5c Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: add workaround for dce3 ddc line vbios bug
  drm/radeon/kms: fix interlaced and doublescan handling
  drm/radeon/kms: fix typos in disabled vbios code
  Revert "drm/i915/dp: use VBT provided eDP params if available"
  drm/i915: Clear pfit registers when not used by any outputs
  drm: record monitor status in output_poll_execute
  drm: Set connector DPMS status to ON in drm_crtc_helper_set_config
  drm/i915: fix regression due to ba3d8d749b
  Revert "drm/radeon/kms: fix typo in r600 cs checker"
  drm/i915/sdvo: Always add a 30ms delay to make SDVO TV detection reliable
  MAINTAINERS: INTEL DRM DRIVERS list (intel-gfx) is subscribers-only
  drm/i915/sdvo: Always fallback to querying the shared DDC line
  drm/i915: Handle pagefaults in execbuffer user relocations
  drm/i915/sdvo: Only enable HDMI encodings only if the commandset is supported
  drm/radeon/kms: fix resume regression for some r5xx laptops
  drm/radeon/kms: fix regression in rs4xx i2c setup
  drm/i915: Only save/restore cursor regs if !KMS
  drm/i915: Prevent integer overflow when validating the execbuffer
2010-11-30 20:13:35 -08:00
Alex Deucher
3074adc8b6 drm/radeon/kms: add workaround for dce3 ddc line vbios bug
fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=23752

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc:stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-12-01 12:13:37 +10:00
Alex Deucher
c49948f4bd drm/radeon/kms: fix interlaced and doublescan handling
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-12-01 12:13:23 +10:00
Alex Deucher
0ec80d6456 drm/radeon/kms: fix typos in disabled vbios code
6xx/7xx was hitting the wrong BUS_CNTL reg and bits.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-12-01 12:13:10 +10:00
Dave Airlie
150f8815bb Merge remote branch 'intel/drm-intel-fixes' of /ssd/git/drm-next into drm-fixes
* 'intel/drm-intel-fixes' of /ssd/git/drm-next:
  Revert "drm/i915/dp: use VBT provided eDP params if available"
  drm/i915: Clear pfit registers when not used by any outputs
  drm/i915: fix regression due to ba3d8d749b
2010-12-01 12:10:34 +10:00
Linus Torvalds
22a5b566c8 Merge branch 'for_linus' of git://github.com/at91linux/linux-2.6-at91
* 'for_linus' of git://github.com/at91linux/linux-2.6-at91:
  at91/board-yl-9200: fix typo in video support
  atmel_spi: fix warning In function 'atmel_spi_dma_map_xfer'
  at91/picotux200: remove commenting usb device and dataflash support
  at91: rename rm9200ek and rm9200dk board file name
  at91rm9200ek: fix warning: 'ek_mmc_data' defined but not used
  at91rm9200dk: fix warning: 'dk_mmc_data' defined but not used
  at91: Convert remaining boards to new-style UART initialization
  at91: merge all at91rm9200 defconfig in one single file
2010-11-30 17:57:57 -08:00
Oleg Nesterov
114279be21 exec: copy-and-paste the fixes into compat_do_execve() paths
Note: this patch targets 2.6.37 and tries to be as simple as possible.
That is why it adds more copy-and-paste horror into fs/compat.c and
uglifies fs/exec.c, this will be cleanuped later.

compat_copy_strings() plays with bprm->vma/mm directly and thus has
two problems: it lacks the RLIMIT_STACK check and argv/envp memory
is not visible to oom killer.

Export acct_arg_size() and get_arg_page(), change compat_copy_strings()
to use get_arg_page(), change compat_do_execve() to do acct_arg_size(0)
as do_execve() does.

Add the fatal_signal_pending/cond_resched checks into compat_count() and
compat_copy_strings(), this matches the code in fs/exec.c and certainly
makes sense.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-30 17:56:38 -08:00
Oleg Nesterov
3c77f84572 exec: make argv/envp memory visible to oom-killer
Brad Spengler published a local memory-allocation DoS that
evades the OOM-killer (though not the virtual memory RLIMIT):
http://www.grsecurity.net/~spender/64bit_dos.c

execve()->copy_strings() can allocate a lot of memory, but
this is not visible to oom-killer, nobody can see the nascent
bprm->mm and take it into account.

With this patch get_arg_page() increments current's MM_ANONPAGES
counter every time we allocate the new page for argv/envp. When
do_execve() succeds or fails, we change this counter back.

Technically this is not 100% correct, we can't know if the new
page is swapped out and turn MM_ANONPAGES into MM_SWAPENTS, but
I don't think this really matters and everything becomes correct
once exec changes ->mm or fails.

Reported-by: Brad Spengler <spender@grsecurity.net>
Reviewed-and-discussed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-30 17:56:37 -08:00
Jeff Layton
ba03864872 cifs: fix parsing of hostname in dfs referrals
The DFS referral parsing code does a memchr() call to find the '\\'
delimiter that separates the hostname in the referral UNC from the
sharename. It then uses that value to set the length of the hostname via
pointer subtraction.  Instead of subtracting the start of the hostname
however, it subtracts the start of the UNC, which causes the code to
pass in a hostname length that is 2 bytes too long.

Regression introduced in commit 1a4240f4.

Reported-and-Tested-by: Robbert Kouprie <robbert@exx.nl>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Cc: Wang Lei <wang840925@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30 20:44:05 +00:00
Trond Myklebust
37a09f0745 NFS: Fix a readdirplus bug
When comparing filehandles in the helper nfs_same_file(), we should not be
using 'strncmp()': filehandles are not null terminated strings.

Instead, we should just use the existing helper nfs_compare_fh().

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-30 10:18:49 -08:00
Jean-Christophe PLAGNIOL-VILLARD
3b24f0950b at91/board-yl-9200: fix typo in video support
for the epson frambuffer support it's CONFIG_FB_S1D13XXX
not CONFIG_FB_S1D135XX

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-11-30 17:23:41 +01:00
Jean-Christophe PLAGNIOL-VILLARD
214b574ab8 atmel_spi: fix warning In function 'atmel_spi_dma_map_xfer'
passing argument 2 of 'dma_map_single' discards qualifiers from pointer target type

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-11-30 17:23:24 +01:00
Jean-Christophe PLAGNIOL-VILLARD
82d5b5c8da at91/picotux200: remove commenting usb device and dataflash support
as based on http://www.picotux.com/pt200/picotux200.pdf
these board does not have such I/O

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-11-30 17:23:02 +01:00
Jean-Christophe PLAGNIOL-VILLARD
985f554d8f at91: rename rm9200ek and rm9200dk board file name
to be a few more concistant with the other boards

as ek is for evaluation kit and dk for development kit

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
2010-11-30 17:22:20 +01:00
Jean-Christophe PLAGNIOL-VILLARD
55d83b0a6e at91rm9200ek: fix warning: 'ek_mmc_data' defined but not used
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
2010-11-30 17:22:07 +01:00
Jean-Christophe PLAGNIOL-VILLARD
8e79d2d4e7 at91rm9200dk: fix warning: 'dk_mmc_data' defined but not used
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
2010-11-30 17:21:55 +01:00
Jean-Christophe PLAGNIOL-VILLARD
8ae8cd978b at91: Convert remaining boards to new-style UART initialization
Convert the following AT91RM9200-based boards to the new-style UART
initialization:
  - Ajeco 1ARM Single Board Computer
  - Sperry-Sun KAFA board
  - picotux 200

Remove the deprecated at91_init_serial

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
2010-11-30 17:21:29 +01:00
Eric Benard
b94ca0792d at91: merge all at91rm9200 defconfig in one single file
About all options present in each file are activated
in the single file.

Signed-off-by: Eric Benard <eric@eukrea.com>
Tested-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-11-30 10:59:15 +01:00
Chris Wilson
3cf2efb1a7 Revert "drm/i915/dp: use VBT provided eDP params if available"
This reverts commit 869184a675.

This is required for the Sony Vaio Jesse was working on at the time, but
breaks most other eDP machines - machines that were working in earlier
kernels.

Reported-and-tested-by: Dave Airlie <airlied@redhat.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=31188
Tested-by: Zhao Jian <jian.j.zhao@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-11-30 08:52:20 +00:00
Suresh Jayaraman
476428f8c3 cifs: display fsc in /proc/mounts
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30 05:51:49 +00:00
Suresh Jayaraman
b81209de24 cifs: enable fscache iff fsc mount option is used explicitly
Currently, if CONFIG_CIFS_FSCACHE is set, fscache is enabled on files opened
as read-only irrespective of the 'fsc' mount option. Fix this by enabling
fscache only if 'fsc' mount option is specified explicitly.

Remove an extraneous cFYI debug message and fix a typo while at it.

Reported-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30 05:49:32 +00:00
Suresh Jayaraman
607a569da4 cifs: allow fsc mount option only if CONFIG_CIFS_FSCACHE is set
Currently, it is possible to specify 'fsc' mount option even if
CONFIG_CIFS_FSCACHE has not been set. The option is being ignored silently
while the user fscache functionality to work. Fix this by raising error when
the CONFIG option is not set.

Reported-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30 05:49:28 +00:00
Shirish Pargaonkar
fbeba8bb16 cifs: Handle extended attribute name cifs_acl to generate cifs acl blob (try #4)
Add extended attribute name system.cifs_acl

Get/generate cifs/ntfs acl blob and hand over to the invoker however
it wants to parse/process it under experimental configurable option CIFS_ACL.

Do not get CIFS/NTFS ACL for xattr for attribute system.posix_acl_access

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30 05:49:24 +00:00
Shirish Pargaonkar
78415d2d30 cifs: Misc. cleanup in cifsacl handling [try #4]
Change the name of function mode_to_acl to mode_to_cifs_acl.

Handle return code in functions mode_to_cifs_acl and
cifs_acl_to_fattr.

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30 05:49:17 +00:00
Linus Torvalds
e8a7e48bb2 Linux 2.6.37-rc4 2010-11-29 20:42:04 -08:00
Linus Torvalds
32e1572427 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Use call_rcu_sched() for pagetables
2010-11-29 20:41:39 -08:00
Peter Zijlstra
f2e785ed5f powerpc: Use call_rcu_sched() for pagetables
PowerPC relies on IRQ-disable to guard against RCU quiecent states,
use the appropriate RCU call version.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-11-30 10:42:20 +11:00
Dave Airlie
bcb38ceb22 Revert "debug_locks: set oops_in_progress if we will log messages."
This reverts commit e0fdace10e.

On-list discussion seems to suggest that the robustness fixes for printk
make this unnecessary and DaveM has also agreed in person at Kernel Summit
and on list.

The main problem with this code is once we hit a lockdep splat we always
keep oops_in_progress set, the console layer uses oops_in_progress with KMS
to decide when it should be showing the oops and not showing X, so it causes
problems around suspend/resume time when a userspace resume can cause a console
switch away from X, only if oops_in_progress is set (which is what we want
if an oops actually is in progress, but not because we had a lockdep splat
2 days prior).

Cc: David S Miller <davem@davemloft.net>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-29 15:18:28 -08:00
Linus Torvalds
8f1b1a5096 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  tpm: Autodetect itpm devices
2010-11-29 14:38:06 -08:00
Linus Torvalds
a01af8e4a4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
  af_unix: limit recursion level
  pch_gbe driver: The wrong of initializer entry
  pch_gbe dreiver: chang author
  ucc_geth: fix ucc halt problem in half duplex mode
  inet: Fix __inet_inherit_port() to correctly increment bsockets and num_owners
  ehea: Add some info messages and fix an issue
  hso: fix disable_net
  NET: wan/x25_asy, move lapb_unregister to x25_asy_close_tty
  cxgb4vf: fix setting unicast/multicast addresses ...
  net, ppp: Report correct error code if unit allocation failed
  DECnet: don't leak uninitialized stack byte
  au1000_eth: fix invalid address accessing the MAC enable register
  dccp: fix error in updating the GAR
  tcp: restrict net.ipv4.tcp_adv_win_scale (#20312)
  netns: Don't leak others' openreq-s in proc
  Net: ceph: Makefile: Remove unnessary code
  vhost/net: fix rcu check usage
  econet: fix CVE-2010-3848
  econet: fix CVE-2010-3850
  econet: disallow NULL remote addr for sendmsg(), fixes CVE-2010-3849
  ...
2010-11-29 14:36:33 -08:00
Linus Torvalds
a9735c81a4 Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  OMAP2+: PM/serial: hold console semaphore while OMAP UARTs are disabled
  OMAP: UART: don't resume UARTs that are not enabled.
2010-11-29 14:36:07 -08:00
Matthew Garrett
3f0d3d016d tpm: Autodetect itpm devices
Some Lenovos have TPMs that require a quirk to function correctly. This can
be autodetected by checking whether the device has a _HID of INTC0102. This
is an invalid PNPid, and as such is discarded by the pnp layer - however
it's still present in the ACPI code, so we can pull it out that way. This
means that the quirk won't be automatically applied on non-ACPI systems,
but without ACPI we don't have any way to identify the chip anyway so I
don't think that's a great concern.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Tested-by: Jiri Kosina <jkosina@suse.cz>
Tested-by: Andy Isaacson <adi@hexapodia.org>
Signed-off-by: James Morris <jmorris@namei.org>
2010-11-30 09:18:01 +11:00
Linus Torvalds
aa3fc52546 Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (24 commits)
  Btrfs: don't use migrate page without CONFIG_MIGRATION
  Btrfs: deal with DIO bios that span more than one ordered extent
  Btrfs: setup blank root and fs_info for mount time
  Btrfs: fix fiemap
  Btrfs - fix race between btrfs_get_sb() and umount
  Btrfs: update inode ctime when using links
  Btrfs: make sure new inode size is ok in fallocate
  Btrfs: fix typo in fallocate to make it honor actual size
  Btrfs: avoid NULL pointer deref in try_release_extent_buffer
  Btrfs: make btrfs_add_nondir take parent inode as an argument
  Btrfs: hold i_mutex when calling btrfs_log_dentry_safe
  Btrfs: use dget_parent where we can UPDATED
  Btrfs: fix more ESTALE problems with NFS
  Btrfs: handle NFS lookups properly
  btrfs: make 1-bit signed fileds unsigned
  btrfs: Show device attr correctly for symlinks
  btrfs: Set file size correctly in file clone
  btrfs: Check if dest_offset is block-size aligned before cloning file
  Btrfs: handle the space_cache option properly
  btrfs: Fix early enospc because 'unused' calculated with wrong sign.
  ...
2010-11-29 14:11:08 -08:00
Linus Torvalds
555bdaefd5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC: Fix typos in Documentation/edac.txt
  EDAC, MCE: Fix edac_init_mce_inject error handling
  EDAC: Remove deprecated kbuild goal definitions
2010-11-29 14:10:44 -08:00
Linus Torvalds
1bfe4eefe5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
  GFS2: Userland expects quota limit/warn/usage in 512b blocks
2010-11-29 14:10:22 -08:00
Chris Wilson
c5d1b51d35 drm/i915: Clear pfit registers when not used by any outputs
... otherwise the panel-fitter may be left enabled with random settings
and cause unintended filtering (i.e. blurring of native modes on external
panels).

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=31942
Reported-and-tested-by: Ben Kohler <bkohler@gmail.com>
Tested-by: Ciprian Docan <docan@eden.rutgers.edu>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-11-29 18:45:01 +00:00
Suresh Jayaraman
523fb8c867 cifs: trivial comment fix for cifs_invalidate_mapping
Only the callers check whether the invalid_mapping flag is set and not
cifs_invalidate_mapping().

Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-29 17:48:16 +00:00
Eric Dumazet
25888e3031 af_unix: limit recursion level
Its easy to eat all kernel memory and trigger NMI watchdog, using an
exploit program that queues unix sockets on top of others.

lkml ref : http://lkml.org/lkml/2010/11/25/8

This mechanism is used in applications, one choice we have is to have a
recursion limit.

Other limits might be needed as well (if we queue other types of files),
since the passfd mechanism is currently limited by socket receive queue
sizes only.

Add a recursion_level to unix socket, allowing up to 4 levels.

Each time we send an unix socket through sendfd mechanism, we copy its
recursion level (plus one) to receiver. This recursion level is cleared
when socket receive queue is emptied.

Reported-by: Марк Коренберг <socketpair@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-29 09:45:15 -08:00
Toshiharu Okada
50a4205333 pch_gbe driver: The wrong of initializer entry
The wrong of initializer entry was modified.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Reported-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-29 08:51:34 -08:00
Toshiharu Okada
a1dcfcb7f2 pch_gbe dreiver: chang author
This driver's AUTHOR was changed to "Toshiharu Okada" from "Masayuki Ohtake".
I update the Kconfig, renamed "Topcliff" to "EG20T".

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-29 08:51:33 -08:00
Chris Mason
5a92bc88ce Btrfs: don't use migrate page without CONFIG_MIGRATION
Fixes compile error

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-11-29 09:49:11 -05:00
Keith Packard
c5027dec02 drm: record monitor status in output_poll_execute
In order to correctly report monitor connected status changes, the
previous monitor status must be recorded in the connector->status
value instead of being discarded.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-11-29 16:27:57 +10:00
Keith Packard
bf9dc102e2 drm: Set connector DPMS status to ON in drm_crtc_helper_set_config
When setting a new crtc configuration, force the DPMS state of all
connectors to ON. Otherwise, they'll be left at OFF and a future mode set
that disables the specified connector will not turn the connector off.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-11-29 16:27:56 +10:00
Yang Li
d830418e40 ucc_geth: fix ucc halt problem in half duplex mode
In commit 58933c64(ucc_geth: Fix the wrong the Rx/Tx FIFO size),
the UCC_GETH_UTFTT_INIT is set to 512 based on the recommendation
of the QE Reference Manual.  But that will sometimes cause tx halt
while working in half duplex mode.

According to errata draft QE_GENERAL-A003(High Tx Virtual FIFO
threshold size can cause UCC to halt), setting UTFTT less than
[(UTFS x (M - 8)/M) - 128] will prevent this from happening
(M is the minimum buffer size).

The patch changes UTFTT back to 256.

Signed-off-by: Li Yang <leoli@freescale.com>
Cc: Jean-Denis Boyer <jdboyer@media5corp.com>
Cc: Andreas Schmitz <Andreas.Schmitz@riedel.net>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-28 18:36:57 -08:00
Nagendra Tomar
b4ff3c90e6 inet: Fix __inet_inherit_port() to correctly increment bsockets and num_owners
inet sockets corresponding to passive connections are added to the bind hash
using ___inet_inherit_port(). These sockets are later removed from the bind
hash using __inet_put_port(). These two functions are not exactly symmetrical.
__inet_put_port() decrements hashinfo->bsockets and tb->num_owners, whereas
___inet_inherit_port() does not increment them. This results in both of these
going to -ve values.

This patch fixes this by calling inet_bind_hash() from ___inet_inherit_port(),
which does the right thing.

'bsockets' and 'num_owners' were introduced by commit a9d8f9110d
(inet: Allowing more than 64k connections and heavily optimize bind(0))

Signed-off-by: Nagendra Singh Tomar <tomer_iisc@yahoo.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-28 18:18:44 -08:00
Breno Leitao
5c7e57f7cd ehea: Add some info messages and fix an issue
This patch adds some debug information about ehea not being able to
allocate enough spaces. Also it correctly updates the amount of available
skb.

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-28 18:15:22 -08:00