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2013-08-07bridge: correct the comment for file br_sysfs_br.cWang Sheng-Hui
br_sysfs_if.c is for sysfs attributes of bridge ports, while br_sysfs_br.c is for sysfs attributes of bridge itself. Correct the comment here. Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-07tcp: cubic: fix overflow error in bictcp_update()Eric Dumazet
commit 17a6e9f1aa9 ("tcp_cubic: fix clock dependency") added an overflow error in bictcp_update() in following code : /* change the unit from HZ to bictcp_HZ */ t = ((tcp_time_stamp + msecs_to_jiffies(ca->delay_min>>3) - ca->epoch_start) << BICTCP_HZ) / HZ; Because msecs_to_jiffies() being unsigned long, compiler does implicit type promotion. We really want to constrain (tcp_time_stamp - ca->epoch_start) to a signed 32bit value, or else 't' has unexpected high values. This bugs triggers an increase of retransmit rates ~24 days after boot [1], as the high order bit of tcp_time_stamp flips. [1] for hosts with HZ=1000 Big thanks to Van Jacobson for spotting this problem. Diagnosed-by: Van Jacobson <vanj@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-07MAINTAINERS: add TI Keystone ARM platformSantosh Shilimkar
Adding maintainer for arch/arm/mach-keystone/ Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-08-07MAINTAINERS: delete Srinidhi from ux500Linus Walleij
Srinidhi's mail address is now bouncing and he has requested me to delete this entry. Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-08-07nfsd: Fix SP4_MACH_CRED negotiation in EXCHANGE_IDWeston Andros Adamson
- don't BUG_ON() when not SP4_NONE - calculate recv and send reserve sizes correctly Signed-off-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2013-08-07nfsd4: Fix MACH_CRED NULL dereferenceJ. Bruce Fields
Fixes a NULL-dereference on attempts to use MACH_CRED protection over auth_sys. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2013-08-07cifs: don't instantiate new dentries in readdir for inodes that need to be ↵Jeff Layton
revalidated immediately David reported that commit c2b93e06 (cifs: only set ops for inodes in I_NEW state) caused a regression with mfsymlinks. Prior to that patch, if a mfsymlink dentry was instantiated at readdir time, the inode would get a new set of ops when it was revalidated. After that patch, this did not occur. This patch addresses this by simply skipping instantiating dentries in the readdir codepath when we know that they will need to be immediately revalidated. The next attempt to use that dentry will cause a new lookup to occur (which is basically what we want to happen anyway). Cc: <stable@vger.kernel.org> Cc: "Stefan (metze) Metzmacher" <metze@samba.org> Cc: Sachin Prabhu <sprabhu@redhat.com> Reported-and-Tested-by: David McBride <dwm37@cam.ac.uk> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2013-08-07i2c: mv64xxx: Document the newly introduced allwinner compatibleMaxime Ripard
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-08-07ALSA: 6fire: fix DMA issues with URB transfer_buffer usageJussi Kivilinna
Patch fixes 6fire not to use stack as URB transfer_buffer. URB buffers need to be DMA-able, which stack is not. Furthermore, transfer_buffer should not be allocated as part of larger device structure because DMA coherency issues and patch fixes this issue too. Cc: stable@vger.kernel.org Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi> Tested-by: Torsten Schenk <torsten.schenk@zoho.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-08-07drm/i915: do not disable backlight on vgaswitcheroo switch offJani Nikula
On muxed systems, the other vgaswitcheroo client may depend on i915 to handle the backlight. We began switching off the backlight since commit a261b246ebd552fd5d5a8ed84cc931bb821c427f Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Thu Jul 26 19:21:47 2012 +0200 drm/i915: disable all crtcs at suspend time breaking backlight on discreet graphics in (some) muxed systems. Keep the backlight on when the state is changed through vgaswitcheroo. Note: The alternative would be to add a quirk table to achieve the same based on system identifiers, but AFAICS it would asymptotically approach effectively the same as this patch as more IDs are added, but with the maintenance burden of the quirk table. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=55311 Tested-by: Fede <fedevx@yahoo.com> Tested-by: Aximab <laurent.debian@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59785 Tested-by: sfievet <sebastien.fievet@free.fr> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-07drm/i915: Don't call encoder's get_config unless encoder is activeVille Syrjälä
The SDVO code tries to compare the encoder's and crtc's idea of the pixel_multiplier. Normally they have to match, but when transitioning to DPMS off, we turn off the pipe before reading out the pipe_config, so the pixel_multiplier in the pipe_config will be 0, whereas the encoder will still have its pixel_multiplier set to whatever value we were using when the display was active. This leads to a warning from intel_modeset_check_state(). WARNING: CPU: 1 PID: 2846 at drivers/gpu/drm/i915/intel_sdvo.c:1378 intel_sdvo_get_config+0x158/0x160() SDVO pixel multiplier mismatch, port: 0, encoder: 1 Modules linked in: snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep CPU: 1 PID: 2846 Comm: Xorg Not tainted 3.11.0-rc3-00208-gbe1e8d7-dirty #19 Hardware name: Apple Computer, Inc. Macmini1,1/Mac-F4208EC8, BIOS MM11.88Z.0055.B03.0604071521 04/07/06 00000000 00000000 ef0afa54 c1597bbb c1737ea4 ef0afa84 c10392ca c1737e6c ef0afab0 00000b1e c1737ea4 00000562 c12dfbe8 c12dfbe8 ef0afb14 00000000 f697ec00 ef0afa9c c103936e 00000009 ef0afa94 c1737e6c ef0afab0 ef0afadc Call Trace: [<c1597bbb>] dump_stack+0x41/0x56 [<c10392ca>] warn_slowpath_common+0x7a/0xa0 [<c103936e>] warn_slowpath_fmt+0x2e/0x30 [<c12dfbe8>] intel_sdvo_get_config+0x158/0x160 [<c12c3220>] check_crtc_state+0x1e0/0xb10 [<c12cdc7d>] intel_modeset_check_state+0x29d/0x7c0 [<c12dfe5c>] intel_sdvo_dpms+0x5c/0xa0 [<c12985de>] drm_mode_obj_set_property_ioctl+0x40e/0x420 [<c1298625>] drm_mode_connector_property_set_ioctl+0x35/0x40 [<c1289294>] drm_ioctl+0x3e4/0x540 [<c10fc1a2>] do_vfs_ioctl+0x72/0x570 [<c10fc72f>] SyS_ioctl+0x8f/0xa0 [<c159b7fa>] sysenter_do_call+0x12/0x22 ---[ end trace 7ce940aff1366d60 ]--- Fix the problem by skipping the encoder get_config() function for inactive encoders. Tested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-07drm/i915: avoid brightness overflow when doing scaleAaron Lu
Some card's max brightness level is pretty large, e.g. on Acer Aspire 4732Z, the max level is 989910. If user space set a large enough level then the current scale done in intel_panel_set_backlight will cause an integer overflow and the scaled level will be mistakenly small, leaving user with an almost black screen. This patch fixes this problem. Signed-off-by: Aaron Lu <aaron.lu@intel.com> [danvet: Add a comment to explain what's going on.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-07drm/i915: update last_vblank when disabling the power wellPaulo Zanoni
The DRM layer keeps track of our vblanks and it assumes our vblank counters only go back to zero when they overflow. The problem is that when we disable the power well our counters also go to zero, but it doesn't mean they did overflow. So on this patch we grab the lock and update last_vblank so the DRM layer won't think our counters overflowed. This patch fixes the following intel-gpu-tools test: ./kms_flip --run-subtest blocking-absolute-wf_vblank Regression introduced by the following commit: commit bf51d5e2cda5d36d98e4b46ac7fca9461e512c41 Author: Paulo Zanoni <paulo.r.zanoni@intel.com> Date: Wed Jul 3 17:12:13 2013 -0300 drm/i915: switch disable_power_well default value to 1 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66808 Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> [danvet: Added a comment that this might be better done in drm_vblank_post_modeset in general.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-07drm/i915: fix gen4 digital port hotplug definitionsDaniel Vetter
Apparently Bspec is wrong in this case here even for gm45. Note that Bspec is horribly misguided on i965g/gm, so we don't have any other data points besides that it seems to make machines work better. With this changes all the bits in PORT_HOTPLUG_STAT for the digital ports are ordered the same way. This seems to agree with what register dumps from the hpd storm handling code shows, where the LIVE bit and the short/long pulse STATUS bits light up at the same time with this enumeration (but no with the one from Bspec). Also tested on my gm45 which has two DP+ ports, and everything seems to still work as expected. References: http://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg23054.html Cc: Egbert Eich <eich@suse.com> Cc: Jan Niggemann <jn@hz6.de> Tested-by: Jan Niggemann <jn@hz6.de> [danvet: Add a big warning that Bspec seems to be wrong for these bits, suggested by Jani.] Acked-by: Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-07drm/ast: invalidate page tables when pinning a BODave Airlie
same fix as cirrus and mgag200. Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-07drm/mgag200: Invalidate page tables when pinning a BOEgbert Eich
When a BO gets pinned the placement may get changed. If the memory is mapped into user space and user space has already accessed the mapped range the page tables are set up but now point to the wrong memory. Set bo.mdev->dev_mapping in mgag200_bo_create() to make sure that ttm_bo_unmap_virtual() called from ttm_bo_handle_move_mem() will take care of this. v2: Don't call ttm_bo_unmap_virtual() in mgag200_bo_pin(), fix comment. Signed-off-by: Egbert Eich <eich@suse.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-07drm/cirrus: Invalidate page tables when pinning a BOMichal Srb
This is a cirrus version of Egbert Eich's patch for mgag200. Without bo.bdev->dev_mapping set, the ttm_bo_unmap_virtual_locked called from ttm_bo_handle_move_mem returns with no effect. If any application accessed the memory before it was moved, it will access wrong memory next time. This causes crashes when changing resolution down. Signed-off-by: Michal Srb <msrb@suse.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-06Merge branch 'for-3.11-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fix from Tejun Heo: "Just the addition of MODULE_DEVICE_TABLE() for a platform driver" * 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: pata_imx: expose module alias for loading from device-tree
2013-08-06Merge branch 'for-3.11-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fix from Tejun Heo: "Fix for a minor memory leak bug in the cgroup init failure path" * 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: fix a leak when percpu_ref_init() fails
2013-08-06Merge branch 'for-3.11-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull two workqueue fixes from Tejun Heo: "A lockdep notation update so that nested work_on_cpu() invocations don't lead to spurious lockdep warnings and fix for an unbound attr bug which made what's shown in sysfs deviate from the actual ones. Both patches have pretty limited scope" * 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: copy workqueue_attrs with all fields workqueue: allow work_on_cpu() to be called recursively
2013-08-06Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 fixes from Peter Anvin. * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, amd, microcode: Fix error path in apply_microcode_amd() x86, fpu: correct the asm constraints for fxsave, unbreak mxcsr.daz x86, efi: correct call to free_pages x86/iommu/vt-d: Expand interrupt remapping quirk to cover x58 chipset
2013-08-06printk: Fix return of braille_register_console()Steven Rostedt
Some of my configs I test with have CONFIG_A11Y_BRAILLE_CONSOLE set. When I started testing against v3.11-rc4 my console went bonkers. Using ktest to bisect the issue, it came down to: commit bbeddf52a "printk: move braille console support into separate braille.[ch] files" Looking into the patch I found the problem. It's with the return of braille_register_console(). As anything other than NULL is considered a failure. But for those of us that have CONFIG_A11Y_BRAILLE_CONSOLE set but do not define a "brl" or "brl=" on the command line, we still may want a console that those with sight can still use. Return NULL (success) if "brl" or "brl=" is not on the console line. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Joe Perches <joe@perches.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-08-06Revert "ptrace: PTRACE_DETACH should do flush_ptrace_hw_breakpoint(child)"Oleg Nesterov
This reverts commit fab840fc2d542fabcab903db8e03589a6702ba5f. This commit even has the test-case to prove that the tracee can be killed by SIGTRAP if the debugger does not remove the breakpoints before PTRACE_DETACH. However, this is exactly what wineserver deliberately does, set_thread_context() calls PTRACE_ATTACH + PTRACE_DETACH just for PTRACE_POKEUSER(DR*) in between. So we should revert this fix and document that PTRACE_DETACH should keep the breakpoints. Reported-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-08-06Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS fixes from Ralf Baechle: "Two platform-specific fixes plus a fix for oprofile which was calling smp_processor_id() in preemptible code" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: BMIPS: fix hardware interrupt routing for boot CPU != 0 MIPS: oprofile: Fix BUG due to smp_processor_id() in preemptible code. MIPS: PNX833x: PNX8335_PCI_ETHERNET_INT depends on CONFIG_SOC_PNX8335
2013-08-06Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: "Enable LZ4 compression for the kernel image, add the machine id for the new zBC12 model, fix an issue with hanging dasd devices, correct a Kconfig dependency, fix a compile error in the perf module with CONFIG_KVM=n and fix the find_next_bit_left primitive for the PCI base layer" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/dasd: fix hanging devices after path events s390/perf: fix compile error (undefined reference sie_exit) s390/bitops: fix find_next_bit_left s390: add support for IBM zBC12 machine s390/Kconfig: select 'TTY' when 'S390_GUEST' is enabled s390: add support for LZ4-compressed kernel
2013-08-06userns: unshare_userns(&cred) should not populate cred on failureOleg Nesterov
unshare_userns(new_cred) does *new_cred = prepare_creds() before create_user_ns() which can fail. However, the caller expects that it doesn't need to take care of new_cred if unshare_userns() fails. We could change the single caller, sys_unshare(), but I think it would be more clean to avoid the side effects on failure, so with this patch unshare_userns() does put_cred() itself and initializes *new_cred only if create_user_ns() succeeeds. Cc: stable@vger.kernel.org Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-08-06Merge remote-tracking branch 'regmap/fix/disable' into regmap-linusMark Brown
2013-08-06regmap: Add missing header for !CONFIG_REGMAP stubsMateusz Krawczuk
regmap.h requires linux/err.h if CONFIG_REGMAP is not defined. Without it I get error. CC drivers/media/platform/exynos4-is/fimc-reg.o In file included from drivers/media/platform/exynos4-is/fimc-reg.c:14:0: include/linux/regmap.h: In function ‘regmap_write’: include/linux/regmap.h:525:10: error: ‘EINVAL’ undeclared (first use in this function) include/linux/regmap.h:525:10: note: each undeclared identifier is reported only once for each function it appears in Signed-off-by: Mateusz Krawczuk <m.krawczuk@partner.samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org> Cc: stable@kernel.org
2013-08-06ASoC: cs42l52: Add new TLV for Beep VolumeBrian Austin
CS42L52 Beep control uses 2dB scale from -56dB Signed-off-by: Brian Austin <brian.austin@cirrus.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2013-08-06ASoC: cs42l52: Reorder Min/Max and update to SX_TLV for Beep VolumeBrian Austin
Beep Volume Min/Max was backwards. Change to SOC_SONGLE_SX_TLV for correct volume representation Signed-off-by: Brian Austin <brian.austin@cirrus.com> Signed-off-by: Mark Brown <broonie@linaro.org> Cc: stable@kernel.org
2013-08-06ACPI: Drop physical_node_id_bitmap from struct acpi_deviceRafael J. Wysocki
The physical_node_id_bitmap in struct acpi_device is only used for looking up the first currently unused dependent phyiscal node ID by acpi_bind_one(). It is not really necessary, however, because acpi_bind_one() walks the entire physical_node_list of the given device object for sanity checking anyway and if that list is always sorted by node_id, it is straightforward to find the first gap between the currently used node IDs and use that number as the ID of the new list node. This also removes the artificial limit of the maximum number of dependent physical devices per ACPI device object, which now depends only on the capacity of unsigend int. As a result, it fixes a regression introduced by commit e2ff394 (ACPI / memhotplug: Bind removable memory blocks to ACPI device nodes) that caused acpi_memory_enable_device() to fail when the number of 128 MB blocks within one removable memory module was greater than 32. Reported-and-tested-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Toshi Kani <toshi.kani@hp.com> Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
2013-08-06Smack: IPv6 casting error fix for 3.11Casey Schaufler
The original implementation of the Smack IPv6 port based local controls works most of the time using a sockaddr as a temporary variable, but not always as it overflows in some circumstances. The correct data is a sockaddr_in6. A struct sockaddr isn't as large as a struct sockaddr_in6. There would need to be casting one way or the other. This patch gets it the right way. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
2013-08-06iwlwifi: mvm: use designated initialization for some arraysEliad Peller
rs_ht_to_legacy and ant_toggle_lookup are arrays that represent some state-machine. initialize them explicitly with designated initialization to make them more clear and avoid errors. Signed-off-by: Eliad Peller <eliad@wizery.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: mvm: add some missing cleanups in iwl_mvm_mac_add_interfaceEliad Peller
iwl_mvm_mac_add_interface() didn't clean up beacon filtering configuration and ctxt allocation in some error cases. Signed-off-by: Eliad Peller <eliad@wizery.com> Reviewed-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: remove transport suspend/resume indirectionJohannes Berg
There's no reason for the transport to call itself through indirect function pointers, inline the (little) code there is and remove the indirection completely. Reviewed-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: pcie: some little cleanupsEliad Peller
do some little cleanups in tx.c - eliminate duplicate checks, use locally cached fields and predefined macros. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: fix some documentation typosEliad Peller
Fix some typos. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: mvm: small cleanups in quota management codeJohannes Berg
Use a C99 initializer to clear the command and move the lockdep assertion before the restart check. Since this causes problems with the BUILD_BUG_ON() with some compilers, change that a bit. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: mvm: fix signal reporting for < 3 antennasAvri Altman
When fewer than three antennas are connected (as is always the case for the current devices), the signal strength reporting was wrong; fix it. Signed-off-by: Avri Altman <avri.altman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: mvm: remove traffic load monitoring in rsEyal Shapira
The traffic load monitoring isn't used anymore to decide whether a Tx aggregation on a specific TID should be started. No point in collecting these statistics. Remove the relevant code. Signed-off-by: Eyal Shapira <eyal@wizery.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: pcie: fix resume when no opmode is presentJohannes Berg
If no opmode is present during suspend/resume (i.e. if the iwldvm or iwlmvm isn't loaded) the driver crashes during resume, trying to call the rfkill notification. Avoid that, and also don't enable the rfkill interrupt in this case (to avoid crashing trying to handle the interrupt later.) Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-06iwlwifi: mvm: Add RX statistics debugfs entryMatti Gottlieb
Add a debugfs entry for the RX statistics received from the firmware. Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-05SUNRPC: Don't auto-disconnect from the local rpcbind socketTrond Myklebust
There is no need for the kernel to time out the AF_LOCAL connection to the rpcbind socket, and doing so is problematic because when it is time to reconnect, our process may no longer be using the same mount namespace. Reported-by: Nix <nix@esperi.org.uk> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Jeff Layton <jlayton@redhat.com> Cc: stable@vger.kernel.org # 3.9.x
2013-08-06ACPI / PM: Walk physical_node_list under physical_node_lockRafael J. Wysocki
The list of physical devices corresponding to an ACPI device object is walked by acpi_system_wakeup_device_seq_show() and physical_device_enable_wakeup() without taking that object's physical_node_lock mutex. Since each of those functions may be run at any time as a result of a user space action, the lack of appropriate locking in them may lead to a kernel crash if that happens during device hot-add or hot-remove involving the device object in question. Fix the issue by modifying acpi_system_wakeup_device_seq_show() and physical_device_enable_wakeup() to use physical_node_lock as appropriate. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: All <stable@vger.kernel.org>
2013-08-05bridge: don't try to update timers in case of broken MLD queriesLinus Lüssing
Currently we are reading an uninitialized value for the max_delay variable when snooping an MLD query message of invalid length and would update our timers with that. Fixing this by simply ignoring such broken MLD queries (just like we do for IGMP already). This is a regression introduced by: "bridge: disable snooping if there is no querier" (b00589af3b04) Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-05fib_trie: remove potential out of bound accessEric Dumazet
AddressSanitizer [1] dynamic checker pointed a potential out of bound access in leaf_walk_rcu() We could allocate one more slot in tnode_new() to leave the prefetch() in-place but it looks not worth the pain. Bug added in commit 82cfbb008572b ("[IPV4] fib_trie: iterator recode") [1] : https://code.google.com/p/address-sanitizer/wiki/AddressSanitizerForKernel Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-05bonding: modify only neigh_parms owned by usVeaceslav Falico
Otherwise, on neighbour creation, bond_neigh_init() will be called with a foreign netdev. Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-05neighbour: populate neigh_parms on alloc before calling ndo_neigh_setupVeaceslav Falico
dev->ndo_neigh_setup() might need some of the values of neigh_parms, so populate them before calling it. Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-05gianfar: Cleanup TxFCB insertion on xmitClaudiu Manoil
Cleanup gfar_start_xmit()'s fast path by factoring out "redundant" FCB insertion code (repeated gfar_add_fcb() calls and related) and by reducing the number of if() clauses (i.e. if(fcb) checks). Improve maintainability (e.g. there's less code and easier to read) also by introducing do_csum and do_vlan to mark the other 2 Tx TOE functionalities, following the same model as do_tstamp. fcb_len may also be 0 now, to mark that Tx FCB insertion conditions (do_csum, do_vlan, do_tstamp) have not been met. Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-05gianfar: Fix Tx csum generation errata handlingClaudiu Manoil
Both [eTSEC76] and [eTSEC12] errata relate to Tx checksum generation (for some MPC83xx and MCP8548 older revisions). They require the same workaround: manual checksum computation and insertion, and disabling the H/W Tx csum acceleration feature (per frame) through Tx FCB (Frame Control Block) csum offload settings. The workaround for [eTSEC76] needs to be fixed because it currently fails to disable H/W Tx csum insertion via FCB. This patch fixes it and provides a common workaround implementation for both Tx csum errata. Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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