Граф коммитов

362380 Коммитов

Автор SHA1 Сообщение Дата
Benjamin Tissoires 4c43755506 HID: multitouch: fix touchpad buttons
Commit "HID: multitouch: use the callback "report" instead..." breaks the
buttons of touchpads following the HID multitouch specification.
The buttons were emmitted through hid-input, but as now the events
are generated only in hid-multitouch, the buttons are not emmitted anymore.

The input_event() call is far much simpler than the hid-input one as
many of the different tests do not apply to multitouch touchpads.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-03-27 14:09:40 +01:00
Mark Brown f951b6587b regmap: async: Add missing return
Let's only write once...

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-03-27 13:08:44 +00:00
Marc Kleine-Budde f901b6bc40 can: sja1000: fix define conflict on SH
Thias patch fixes a define conflict between the SH architecture and the sja1000
driver:

    drivers/net/can/sja1000/sja1000.h:59:0: warning:
        "REG_SR" redefined [enabled by default]
    arch/sh/include/asm/ptrace_32.h:25:0: note:
         this is the location of the previous definition

A SJA1000_ prefix is added to the offending sja1000 define only, to make a
minimal patch suited for stable. A later patch will add a SJA1000_ prefix to
all defines in sja1000.h.

Cc: linux-stable <stable@vger.kernel.org>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2013-03-27 13:39:42 +01:00
Christoph Paasch 37287fae7e e1000e: Add missing dma_mapping_error-call in e1000_alloc_jumbo_rx_buffers
After dma_map_page, dma_mapping_error must be called. It seems safe to
not free the skb/page allocated in this function, as the skb/page can be
reused later.

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-03-27 03:26:27 -07:00
Gabriel Fernandez 9afd9b7090 gpio: stmpe: pass DT node to irqdomain
The irq domain was implemented but the device tree
node was not transmitted to irq_domain_add_simple().

Cc: stable@vger.kernel.org
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 11:21:52 +01:00
Christoph Paasch 065946c65a ixgb: Add missing dma_mapping_error-call in ixgb_alloc_rx_buffers
After dma_map_single, dma_mapping_error must be called. It seems safe to
not free the skb allocated in this function, as the skb can be reused
later.

Additionally this patch fixes one coding-style error.

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-03-27 03:13:27 -07:00
Christoph Paasch d6b057b5db e1000: ethtool: Add missing dma_mapping_error-call in e1000_setup_desc_rings
After dma_map_single, dma_mapping_error must be called.

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-03-27 02:32:27 -07:00
Joerg Roedel c2a2876e86 iommu/amd: Make sure dma_ops are set for hotplug devices
There is a bug introduced with commit 27c2127 that causes
devices which are hot unplugged and then hot-replugged to
not have per-device dma_ops set. This causes these devices
to not function correctly. Fixed with this patch.

Cc: stable@vger.kernel.org
Reported-by: Andreas Degert <andreas.degert@googlemail.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
2013-03-27 09:59:50 +01:00
Jean Delvare 2ab3a749eb gpio-ich: Fix value returned by ichx_gpio_request
Per Documentation/gpio.txt, gpio_request callbacks should return 0 on
success or a negative value on error. So it is not clear what was
meant by letting ichx_gpio_request return 1 in some cases, nor how a
caller would interpret it.

Align the code with the comment above it and consider pins as
available by default.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 09:08:57 +01:00
Rajendra Nayak ff931c821b ARM: OMAP: clocks: Delay clk inits atleast until slab is initialized
clk inits on OMAP happen quite early, even before slab is available.
The dependency comes from the fact that the timer init code starts to
use clocks and hwmod and we need clocks to be initialized by then.

There are various problems doing clk inits this early, one is,
not being able to do dynamic clk registrations and hence the
dependency on clk-private.h. The other is, inability to debug
early kernel crashes without enabling DEBUG_LL and earlyprintk.

Doing early clk init also exposed another instance of a kernel
panic due to a BUG() when CONFIG_DEBUG_SLAB is enabled.

[    0.000000] Kernel BUG at c01174f8 [verbose debug info unavailable]
[    0.000000] Internal error: Oops - BUG: 0 [#1] SMP ARM
[    0.000000] Modules linked in:
[    0.000000] CPU: 0    Not tainted  (3.9.0-rc1-12179-g72d48f9 #6)
[    0.000000] PC is at __kmalloc+0x1d4/0x248
[    0.000000] LR is at __clk_init+0x2e0/0x364
[    0.000000] pc : [<c01174f8>]    lr : [<c0441f54>]    psr: 600001d3
[    0.000000] sp : c076ff28  ip : c065cefc  fp : c0441f54
[    0.000000] r10: 0000001c  r9 : 000080d0  r8 : c076ffd4
[    0.000000] r7 : c074b578  r6 : c0794d88  r5 : 00000040  r4 : 00000000
[    0.000000] r3 : 00000000  r2 : c07cac70  r1 : 000080d0  r0 : 0000001c
[    0.000000] Flags: nZCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
[    0.000000] Control: 10c53c7d  Table: 8000404a  DAC: 00000017
[    0.000000] Process swapper (pid: 0, stack limit = 0xc076e240)
[    0.000000] Stack: (0xc076ff28 to 0xc0770000)
[    0.000000] ff20:                   22222222 c0794ec8 c06546e8 00000000 00000040 c0794d88
[    0.000000] ff40: c074b578 c076ffd4 c07951c8 c076e000 00000000 c0441f54 c074b578 c076ffd4
[    0.000000] ff60: c0793828 00000040 c0794d88 c074b578 c076ffd4 c0776900 c076e000 c07272ac
[    0.000000] ff80: 2f800000 c074c968 c07f93d0 c0719780 c076ffa0 c076ff98 00000000 00000000
[    0.000000] ffa0: 00000000 00000000 00000000 00000001 c074cd6c c077b1ec 8000406a c0715724
[    0.000000] ffc0: 00000000 00000000 00000000 00000000 00000000 c074c968 10c53c7d c0776974
[    0.000000] ffe0: c074cd6c c077b1ec 8000406a 411fc092 00000000 80008074 00000000 00000000
[    0.000000] [<c01174f8>] (__kmalloc+0x1d4/0x248) from [<c0441f54>] (__clk_init+0x2e0/0x364)
[    0.000000] [<c0441f54>] (__clk_init+0x2e0/0x364) from [<c07272ac>] (omap4xxx_clk_init+0xbc/0x140)
[    0.000000] [<c07272ac>] (omap4xxx_clk_init+0xbc/0x140) from [<c0719780>] (setup_arch+0x15c/0x284)
[    0.000000] [<c0719780>] (setup_arch+0x15c/0x284) from [<c0715724>] (start_kernel+0x7c/0x334)
[    0.000000] [<c0715724>] (start_kernel+0x7c/0x334) from [<80008074>] (0x80008074)
[    0.000000] Code: e5883004 e1a00006 e28dd00c e8bd8ff0 (e7f001f2)
[    0.000000] ---[ end trace 1b75b31a2719ed1c ]---
[    0.000000] Kernel panic - not syncing: Attempted to kill the idle task!

It was a know issue, that slab allocations would fail when common
clock core tries to cache parent pointers for mux clocks on OMAP,
and hence a patch 'clk: Allow late cache allocation for clk->parents,
commit 7975059d' was added to work this problem around.
A BUG() within kmalloc() with CONFIG_DEBUG_SLAB enabled was completely
overlooked causing this regression.

More details on the issue reported can be found here,
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg85932.html

With all these issues around clk inits happening way too early, it
makes sense to at least move them to a point where dynamic memory
allocations are possible. So move them to a point just before the
timer code starts using clocks and hwmod.

This should at least pave way for clk inits on OMAP moving to dynamic
clock registrations instead of using the static macros defined in
clk-private.h.

The issue with kernel panic while CONFIG_DEBUG_SLAB is enabled
was reported by Piotr Haber and Tony Lindgren and this patch
fixes the reported issue as well.

Reported-by: Piotr Haber <phaber@broadcom.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Paul Walmsley <paul@pwsan.com>
Cc: stable@vger.kernel.org  # v3.8
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-03-26 22:06:20 -07:00
Linus Torvalds de55eb1d60 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
 "stable fodder; assorted deadlock fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  vt: synchronize_rcu() under spinlock is not nice...
  Nest rename_lock inside vfsmount_lock
  Don't bother with redoing rw_verify_area() from default_file_splice_from()
2013-03-26 17:42:55 -07:00
Al Viro e8cd81693b vt: synchronize_rcu() under spinlock is not nice...
vcs_poll_data_free() calls unregister_vt_notifier(), which calls
atomic_notifier_chain_unregister(), which calls synchronize_rcu().
Do it *after* we'd dropped ->f_lock.

Cc: stable@vger.kernel.org (all kernels since 2.6.37)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-26 20:30:17 -04:00
Matthew Garrett fffe01f7a7 PCI: Add PCI ROM helper for platform-provided ROM images
It turns out that some UEFI systems provide apparently an apparently valid
PCI ROM BAR that turns out to contain garbage, so the attempt in 547b52463
to prefer the ROM from the BAR actually breaks a different set of machines.
As Linus pointed out, the graphics drivers are probably in the best
position to make this judgement, so this basically reverts 547b52463 and
f9a37be0f and adds a new helper function. Followup patches will add support
to nouveau and radeon for probing this ROM source if they can't find a ROM
from some other source.

[bhelgaas: added reporter and bugzilla pointers, s/f4eb5ff05/547b52463]
Reference: https://bugzilla.redhat.com/show_bug.cgi?id=927451
Reference: http://lkml.kernel.org/r/kg69ef$vdb$1@ger.gmane.org
Reported-by: Mantas Mikulėnas <grawity@gmail.com>
Reported-by: Chris Murphy <bugzilla@colorremedies.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-03-26 17:19:41 -06:00
Yinghai Lu b8b6611048 PCI / ACPI: hold acpi_scan_lock during root bus hotplug
During merging the PCI tree with the PM/ACPI tree, Linus noticed
that we don't use the same lock using patten about ACPI PCI root as
acpiphp.

Here apply the same locking patten, and we need to execute
acpi_bus_hot_remove_device() via acpi_os_hotplug_execute()
as it also holds acpi_scan_lock.

[rjw: Changelog]
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
No-objection-from: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-03-27 00:06:07 +01:00
Chen Gong aaf9d93be7 ACPI / APEI: fix error status check condition for CPER
In Table 18-289, ACPI5.0 SPEC, the error data length in CPER
Generic Error Data Entry can be 0, which means this generic
error data entry can have only one header. So fix the check
conditon for it.

Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Reviewed-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-03-27 00:05:46 +01:00
Fabio Valentini 469dd1c4ac ACPI / PM: fix suspend and resume on Sony Vaio VGN-FW21M
Add Sony Vaio VGN-FW21M to the device blacklist in
drivers/acpi/sleep.c.

Fixes suspend/resume on this device (device no longer reboots
instead of resuming).

References: https://bugzilla.kernel.org/show_bug.cgi?id=55001
Signed-off-by: Fabio Valentini <fafatheone@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-03-27 00:04:53 +01:00
Al Viro 7ea600b531 Nest rename_lock inside vfsmount_lock
... lest we get livelocks between path_is_under() and d_path() and friends.

The thing is, wrt fairness lglocks are more similar to rwsems than to rwlocks;
it is possible to have thread B spin on attempt to take lock shared while thread
A is already holding it shared, if B is on lower-numbered CPU than A and there's
a thread C spinning on attempt to take the same lock exclusive.

As the result, we need consistent ordering between vfsmount_lock (lglock) and
rename_lock (seq_lock), even though everything that takes both is going to take
vfsmount_lock only shared.

Spotted-by: Brad Spengler <spender@grsecurity.net>
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-26 18:25:57 -04:00
Adam Jackson 637f44d24f drm/i915: Be sure to turn hsync/vsync back on at crt enable (v2)
commit f40ebd6bcb
Author: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Date:   Tue Mar 5 14:24:48 2013 +0100

    drm/i915: Turn off hsync and vsync on ADPA when disabling crt

properly disabled the hsync/vsync logic at disable time, but neglected
to re-enable them at enable time.

v2: In the enable hook, restore the connector's expected DPMS level
instead of forcing ON.  Do this by stashing a back pointer to the
connector in the crt (suggested by danvet) since otherwise it's awkward
to look up.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Cc: stable@vger.kernel.org
[danvet: Added more verbose commit citation and cc: stable tag. Also,
make it compile. Then self-lart and try to assign the right pointer.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-26 22:49:30 +01:00
Linus Torvalds b175293ccc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Always increment IPV4 ID field in encapsulated GSO packets, even
    when DF is set.  Regression fix from Pravin B Shelar.

 2) Fix per-net subsystem initialization in netfilter conntrack,
    otherwise we may access dynamically allocated memory before it is
    actually allocated.  From Gao Feng.

 3) Fix DMA buffer lengths in iwl3945 driver, from Stanislaw Gruszka.

 4) Fix race between submission of sync vs async commands in mwifiex
    driver, from Amitkumar Karwar.

 5) Add missing cancel of command timer in mwifiex driver, from Bing
    Zhao.

 6) Missing SKB free in rtlwifi USB driver, from Jussi Kivilinna.

 7) Thermal layer tries to use a genetlink multicast string that is
    longer than the 16 character limit.  Fix it and add a BUG check to
    prevent this kind of thing from happening in the future.

 From Masatake YAMATO.

 8) Fix many bugs in the handling of the teardown of L2TP connections,
    UDP encapsulation instances, and sockets.  From Tom Parkin.

 9) Missing socket release in IRDA, from Kees Cook.

10) Fix fec driver modular build, from Fabio Estevam.

11) Erroneous use of kfree() instead of free_netdev() in lantiq_etop,
    from Wei Yongjun.

12) Fix bugs in handling of queue numbers and steering rules in mlx4
    driver, from Moshe Lazer, Hadar Hen Zion, and Or Gerlitz.

13) Some FOO_DIAG_MAX constants were defined off by one, fix from Andrey
    Vagin.

14) TCP segmentation deferral is unintentionally done too strongly,
    breaking ACK clocking.  Fix from Eric Dumazet.

15) net_enable_timestamp() can legitimately be invoked from software
    interrupts, and in a way that is safe, so remove the WARN_ON().
    Also from Eric Dumazet.

16) Fix use after free in VLANs, from Cong Wang.

17) Fix TCP slow start retransmit storms after SACK reneging, from
    Yuchung Cheng.

18) Unix socket release should mark a socket dead before NULL'ing out
    sock->sk, otherwise we can race.  Fix from Paul Moore.

19) IPV6 addrconf code can try to free static memory, from Hong Zhiguo.

20) Fix register mis-programming, NULL pointer derefs, and wrong PHC
    clock frequency in IGB driver.  From Lior LevyAlex Williamson, Jiri
    Benc, and Jeff Kirsher.

21) skb->ip_summed logic in pch_gbe driver is reversed, breaking packet
    forwarding.  Fix from Veaceslav Falico.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (65 commits)
  ipv4: Fix ip-header identification for gso packets.
  bonding: remove already created master sysfs link on failure
  af_unix: dont send SCM_CREDENTIAL when dest socket is NULL
  pch_gbe: fix ip_summed checksum reporting on rx
  igb: fix PHC stopping on max freq
  igb: make sensor info static
  igb: SR-IOV init reordering
  igb: Fix null pointer dereference
  igb: fix i350 anti spoofing config
  ixgbevf: don't release the soft entries
  ipv6: fix bad free of addrconf_init_net
  unix: fix a race condition in unix_release()
  tcp: undo spurious timeout after SACK reneging
  bnx2x: fix assignment of signed expression to unsigned variable
  bridge: fix crash when set mac address of br interface
  8021q: fix a potential use-after-free
  net: remove a WARN_ON() in net_enable_timestamp()
  tcp: preserve ACK clocking in TSO
  net: fix *_DIAG_MAX constants
  net/mlx4_core: Disallow releasing VF QPs which have steering rules
  ...
2013-03-26 14:24:29 -07:00
Linus Torvalds 5d538483ea NFS client bugfixes for Linux 3.9
- Fix an NFSv4 idmapper regression
 - Fix an Oops in the pNFS blocks client
 - Fix up various issues with pNFS layoutcommit
 - Ensure correct read ordering of variables in rpc_wake_up_task_queue_locked
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Merge tag 'nfs-for-3.9-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:
 - Fix an NFSv4 idmapper regression
 - Fix an Oops in the pNFS blocks client
 - Fix up various issues with pNFS layoutcommit
 - Ensure correct read ordering of variables in
   rpc_wake_up_task_queue_locked

* tag 'nfs-for-3.9-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  SUNRPC: Add barriers to ensure read ordering in rpc_wake_up_task_queue_locked
  NFSv4.1: Add a helper pnfs_commit_and_return_layout
  NFSv4.1: Always clear the NFS_INO_LAYOUTCOMMIT in layoutreturn
  NFSv4.1: Fix a race in pNFS layoutcommit
  pnfs-block: removing DM device maybe cause oops when call dev_remove
  NFSv4: Fix the string length returned by the idmapper
2013-03-26 14:23:45 -07:00
Greg Kroah-Hartman d78658d45e Misc xHCI fixes for 3.9
Hi Greg,
 
 Here's a couple of fixes for the xHCI driver.  Three patches are nothing
 major: build warning fix, macro field width fix, and removing some
 unnecessary log spam.
 
 The only interesting thing here is Tianyu's two patches to fix the USB
 port connection type discovery, for the USB port power off mechanism.
 This adds new USB host API, but as discussed, it's necessary to avoid
 powering off the wrong USB port.  It's not marked for backport to stable
 kernels, since the sysfs mechanism to manually power off a port didn't
 go in until 3.9.
 
 I've smoke tested these, including system suspend, USB device suspend,
 and rocking out in my cube with a pair of USB headphones.  They look
 fine to me.
 
 Hibernate is currently broken on my system, due to some nouveau MMIO
 read faults.  I'll report that separately.
 
 Sarah Sharp
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Merge tag 'for-usb-linus-2013-03-26' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus

Misc xHCI fixes for 3.9

Hi Greg,

Here's a couple of fixes for the xHCI driver.  Three patches are nothing
major: build warning fix, macro field width fix, and removing some
unnecessary log spam.

The only interesting thing here is Tianyu's two patches to fix the USB
port connection type discovery, for the USB port power off mechanism.
This adds new USB host API, but as discussed, it's necessary to avoid
powering off the wrong USB port.  It's not marked for backport to stable
kernels, since the sysfs mechanism to manually power off a port didn't
go in until 3.9.

I've smoke tested these, including system suspend, USB device suspend,
and rocking out in my cube with a pair of USB headphones.  They look
fine to me.

Hibernate is currently broken on my system, due to some nouveau MMIO
read faults.  I'll report that separately.

Sarah Sharp
2013-03-26 14:14:54 -07:00
Philip J Kelleher 80b00df291 rsxx: remove unused variable
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-03-26 14:48:12 -06:00
Philip J Kelleher 4dcaf47258 rsxx: enable error return of rsxx_eeh_save_issued_dmas()
Commit d8d595df introduced a bug where we did not check for a NULL
return from kmalloc(). Make rsxx_eeh_save_issued_dmas() return an
error for that case, and make the callers handle that.

Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-03-26 14:48:11 -06:00
J. Bruce Fields 64a817cfbd nfsd4: reject "negative" acl lengths
Since we only enforce an upper bound, not a lower bound, a "negative"
length can get through here.

The symptom seen was a warning when we attempt to a kmalloc with an
excessive size.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Cc: stable@kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2013-03-26 16:18:27 -04:00
Eric W. Biederman eddc0a3abf yama: Better permission check for ptraceme
Change the permission check for yama_ptrace_ptracee to the standard
ptrace permission check, testing if the traceer has CAP_SYS_PTRACE
in the tracees user namespace.

Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2013-03-26 13:17:58 -07:00
Pravin B Shelar 330305cc4a ipv4: Fix ip-header identification for gso packets.
ip-header id needs to be incremented even if IP_DF flag is set.
This behaviour was changed in commit 490ab08127
(IP_GRE: Fix IP-Identification).

Following patch fixes it so that identification is always
incremented.

Reported-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-26 13:50:05 -04:00
Chris Mason 4adaa61102 Btrfs: fix race between mmap writes and compression
Btrfs uses page_mkwrite to ensure stable pages during
crc calculations and mmap workloads.  We call clear_page_dirty_for_io
before we do any crcs, and this forces any application with the file
mapped to wait for the crc to finish before it is allowed to change
the file.

With compression on, the clear_page_dirty_for_io step is happening after
we've compressed the pages.  This means the applications might be
changing the pages while we are compressing them, and some of those
modifications might not hit the disk.

This commit adds the clear_page_dirty_for_io before compression starts
and makes sure to redirty the page if we have to fallback to
uncompressed IO as well.

Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Reported-by: Alexandre Oliva <oliva@gnu.org>
cc: stable@vger.kernel.org
2013-03-26 13:19:14 -04:00
Veaceslav Falico 9fe16b78ee bonding: remove already created master sysfs link on failure
If slave sysfs symlink failes to be created - we end up without removing
the master sysfs symlink. Remove it in case of failure.

Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-26 13:00:02 -04:00
dingtianhong 14134f6584 af_unix: dont send SCM_CREDENTIAL when dest socket is NULL
SCM_SCREDENTIALS should apply to write() syscalls only either source or destination
socket asserted SOCK_PASSCRED. The original implememtation in maybe_add_creds is wrong,
and breaks several LSB testcases ( i.e. /tset/LSB.os/netowkr/recvfrom/T.recvfrom).

Origionally-authored-by: Karel Srot <ksrot@redhat.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-26 12:33:55 -04:00
Ming Lei eba0e3c3a0 USB: serial: fix hang when opening port
Johan's 'fix use-after-free in TIOCMIWAIT' patchset[1] introduces
one bug which can cause kernel hang when opening port.

This patch initialized the 'port->delta_msr_wait' waitqueue head
to fix the bug which is introduced in 3.9-rc4.

[1], http://marc.info/?l=linux-usb&m=136368139627876&w=2

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-26 09:28:29 -07:00
David S. Miller 465c0a1659 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net
Jeff Kirsher says:

====================
This series contains updates to ixgbevf and igb.

The ixgbevf calls to pci_disable_msix() and to free the msix_entries
memory should not occur if device open fails.  Instead they should be
called during device driver removal to balance with the call to
pci_enable_msix() and the call to allocate msix_entries memory
during the device probe and driver load.

The remaining 4 of 5 igb patches are simple 1-3 line patches to fix
several issues such as possible null pointer dereference, PHC stopping
on max frequency, make sensor info static and SR-IOV initialization
reordering.

The remaining igb patch to fix anti-spoofing config fixes a problem
in i350 where anti spoofing configuration was written into a wrong
register.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-26 12:21:31 -04:00
Veaceslav Falico 76a0e68129 pch_gbe: fix ip_summed checksum reporting on rx
skb->ip_summed should be CHECKSUM_UNNECESSARY when the driver reports that
checksums were correct and CHECKSUM_NONE in any other case. They're
currently placed vice versa, which breaks the forwarding scenario. Fix it
by placing them as described above.

Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-26 12:20:29 -04:00
Wei Yongjun 4fdc782416 x86, io_apic: remove duplicated include from irq_remapping.c
Remove duplicated include.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
2013-03-26 15:32:06 +01:00
Mark Brown 40bac28eb1 Merge remote-tracking branch 'asoc/fix/spear' into asoc-next 2013-03-26 14:08:07 +00:00
Mark Brown 5f948722cd Merge remote-tracking branch 'asoc/fix/si476x' into asoc-next 2013-03-26 14:08:05 +00:00
Mark Brown ff6550104c Merge remote-tracking branch 'asoc/fix/sh' into asoc-next 2013-03-26 14:08:04 +00:00
Mark Brown de7ba0574e Merge remote-tracking branch 'asoc/fix/max98090' into asoc-next 2013-03-26 14:08:03 +00:00
Mark Brown d7963b72e4 Merge remote-tracking branch 'asoc/fix/fsl' into asoc-next 2013-03-26 14:08:01 +00:00
Mark Brown a36b32402a Merge remote-tracking branch 'asoc/fix/dapm' into asoc-next 2013-03-26 14:07:58 +00:00
Mark Brown 23af7b0bba Merge remote-tracking branch 'asoc/fix/core' into asoc-next 2013-03-26 14:07:57 +00:00
Mark Brown 86b1f67706 Merge remote-tracking branch 'asoc/fix/adsp' into asoc-next 2013-03-26 14:07:56 +00:00
Samuel Ortiz 39a352a5b5 NFC: llcp: Keep the connected socket parent pointer alive
And avoid decreasing the ack log twice when dequeueing connected LLCP
sockets.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-26 14:35:57 +01:00
Shawn Guo 2f3edfd7e2 ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill
There is a sync issue with hotplug operation.  It's possible that when
imx_cpu_kill gets running on primary core, the imx_cpu_die execution
on the core which is to be killed hasn't been finished yet.  The problem
will very likely be hit when running suspend without no_console_suspend
setting on kernel cmdline.

It uses cpu jumping argument register to sync imx_cpu_die and
imx_cpu_kill.  The register will be set in imx_cpu_die and imx_cpu_kill
will wait for the register being cleared to actually kill the cpu.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: <stable@vger.kernel.org>
2013-03-26 20:25:45 +08:00
Hans de Goede 35ccecef6e [media] [REGRESSION] bt8xx: Fix too large height in cropcap
Since commit a1fd287780c8e91fed4957b30c757b0c93021162:
"[media] bttv-driver: fix two warnings"
cropcap.defrect.height and cropcap.bounds.height for the PAL entry are 32
resp 30 pixels too large, if a userspace app (ie xawtv) actually tries to use
the full advertised height, the resulting image is broken in ways only a
screenshot can describe.
The cause of this is the fix for this warning:
drivers/media/pci/bt8xx/bttv-driver.c:308:3: warning: initialized field overwritten [-Woverride-init]
In this chunk of the commit:
@@ -301,11 +301,10 @@ const struct bttv_tvnorm bttv_tvnorms[] = {
                        /* totalwidth */ 1135,
                        /* sqwidth */ 944,
                        /* vdelay */ 0x20,
-                       /* sheight */ 576,
-                       /* videostart0 */ 23)
                /* bt878 (and bt848?) can capture another
                   line below active video. */
-               .cropcap.bounds.height = (576 + 2) + 0x20 - 2,
+                       /* sheight */ (576 + 2) + 0x20 - 2,
+                       /* videostart0 */ 23)
        },{
                .v4l2_id        = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR,
                .name           = "NTSC",
Which replaces the overriding of cropcap.bounds.height initialization outside
of the CROPCAP macro (which also initializes it), with passing a
different sheight value to the CROPCAP macro.
There are 2 problems with this warning fix:
1) The sheight value is used twice in the CROPCAP macro, and the old code
   only changed one resulting value.
2) The old code increased the .cropcap.bounds.height value (and did not
   touch the .cropcap.defrect.height value at all) by 2, where as the fixed
   code increases it by 32, as the fixed code passes (576 + 2) + 0x20 - 2
   to the CROPCAP macro, but the + 0x20 - 2 is already done by the macro so
   now is done twice for .cropcap.bounds.height, and also is applied to
   .cropcap.defrect.height where it should not be applied at all.
This patch fixes this by adding an extraheight parameter to the CROPCAP entry
and using it for the PAL entry.

Cc: stable@kernel.org	# For Kernel 3.8
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-03-26 08:37:00 -03:00
Ludovic Desroches 471c9e7865 ARM: at91: add defconfig for SAMA5
Defconfig file for SAMA5 devices. It covers the SAMA5D3 family.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-26 12:18:05 +01:00
Ludovic Desroches 655ff26699 ARM: at91: dt: add device tree files for SAMA5D3 family
Add device tree files for the SAMA5D3 family (SAMA5D31, SAMA5D33, SAMA5D34 and
SAMA5D35).

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-26 12:18:05 +01:00
Ludovic Desroches 8f4b47949f ARM: at91: introduce SAMA5 support
This patch introduces the SAMA5 support and a generic board file for SAMA5
devices. It also updates the PMC driver to manage clock division which is a
requirement since some peripherals can't work at the bus frequency on SAMA5.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-26 12:18:04 +01:00
Ludovic Desroches 8f0cdcc570 ARM: at91: introduce the core type choice to split ARMv4/5 and ARMv7 arch
As we will introduce SAMA5, we need to distinguish the core architecture. It is
useless to show ARMv4/5 entries if we are configuring a kernel for SAMA5
devices.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-26 12:18:04 +01:00
Ludovic Desroches fc05b6571d ARM: at91: add AT91_SAM9_TIME entry to select at91sam926x_time.c compilation
No more associate at91sam926x_time.c compilation with SOC_AT91SAM9 entry since
SAMA5D3 devices will use this driver too.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-26 12:18:04 +01:00
Ludovic Desroches 84ddb08763 ARM: at91: change name template in AT91_SOC_START macro
New devices are no more prefixed with at91 so remove the at91 and _name
concatenation.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-26 12:18:04 +01:00