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2011-11-11Merge branch 'rc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Fix missing system calls check on mips.
2011-11-11bma023: Add SFI translation for this deviceWilliam Douglas
This needed the sfi IRQ 0xFF fix to go in first. It simply plumbs in the bma023 driver with the firmware naming of it. Signed-off-by: William Douglas <william.douglas@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-11vrtc: change its year offset from 1960 to 1972Feng Tang
Real world year equals the value in vrtc YEAR register plus an offset. We used 1960 as the offset to make leap year consistent, but for a device's first use, its YEAR register is 0 and the system year will be parsed as 1960 which is not a valid UNIX time and will cause many applications to fail mysteriously. So we use 1972 instead to fix this issue. Updated patch which adds a sanity check suggested by Mathias This isn't a change in behaviour for systems, because 1972 is the one we actually use. It's the old version in upstream which is out of sync with all devices. Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-11ce4100: fix a build errorZhang Rui
Fix a build error. CE4100 with no serial errors because the alternate function is only a prototype not a null function as intended. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-11Merge branch 'upstream-linus' of git://github.com/jgarzik/libata-devLinus Torvalds
* 'upstream-linus' of git://github.com/jgarzik/libata-dev: pata_of_platform: Don't use NO_IRQ [libata] ahci: Add ASMedia ASM1061 support [libata] Issue SRST to Sil3726 PMP sata_sis.c: trivial spelling fix ahci_platform: use dev_get_platdata() [libata] libata-scsi.c: Add function parameter documentation
2011-11-11Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: rename the option to nospace_cache Btrfs: handle bio_add_page failure gracefully in scrub Btrfs: fix deadlock caused by the race between relocation Btrfs: only map pages if we know we need them when reading the space cache Btrfs: fix orphan backref nodes Btrfs: Abstract similar code for btrfs_block_rsv_add{, _noflush} Btrfs: fix unreleased path in btrfs_orphan_cleanup() Btrfs: fix no reserved space for writing out inode cache Btrfs: fix nocow when deleting the item Btrfs: tweak the delayed inode reservations again Btrfs: rework error handling in btrfs_mount() Btrfs: close devices on all error paths in open_ctree() Btrfs: avoid null dereference and leaks when bailing from open_ctree() Btrfs: fix subvol_name leak on error in btrfs_mount() Btrfs: fix memory leak in btrfs_parse_early_options() Btrfs: fix our reservations for updating an inode when completing io Btrfs: fix oops on NULL trans handle in btrfs_truncate btrfs: fix double-free 'tree_root' in 'btrfs_mount()'
2011-11-11Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Use kmemdup rather than duplicating its implementation ALSA: hda - Re-enable the check NO_PRESENCE misc bit ALSA: vmaster - Free slave-links when freeing the master element ALSA: hda - Don't add elements of other codecs to vmaster slave ALSA: intel8x0: improve virtual environment detection ALSA: intel8x0: move virtual environment detection code into one place ALSA: snd_usb_audio: add Logitech HD Webcam c510 to quirk-384 ALSA: hda - fix internal mic on Dell Vostro 3500 laptop ALSA: HDA: Remove quirk for Toshiba T110 ALSA: usb-audio - Fix the missing volume quirks at delayed init ALSA: hda - Mute unused capture sources for Realtek codecs ALSA: intel8x0: Improve comments for VM optimization ASoC: Ensure we get an impedence reported for WM8958 jack detect ASoC: Don't use wm8994->control_data when requesting IRQs ASoC: Don't use wm8994->control_data in wm8994_readable_register() ASoC: Update git repository URL
2011-11-11Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (42 commits) drm/radeon/kms/pm: switch to dynamically allocating clock mode array drm/radeon/kms: optimize r600_pm_profile_init drm/radeon/kms/pm: add a proper pm profile init function for fusion drm/radeon/kms: remove extraneous calls to radeon_pm_compute_clocks() drm/exynos: added padding to be 64-bit align. drm: fix kconfig unmet dependency warning drm: add some comments to drm_wait_vblank and drm_queue_vblank_event drm/radeon/benchmark: signedness bug in radeon_benchmark_move() drm: do not sleep on vblank while holding a mutex MAINTAINERS: exynos: Add EXYNOS DRM maintainer entry drm: try to restore previous CRTC config if mode set fails drm/radeon/kms: make an aux failure debug only drm: drop select of SLOW_WORK drm: serialize access to list of debugfs files drm/radeon/kms: fix use of vram scratch page on evergreen/ni drm/radeon: Make sure CS mutex is held across GPU reset. drm: Ensure string is null terminated. vmwgfx: Only allow 64x64 cursors vmwgfx: Initialize clip rect loop correctly in surface dirty vmwgfx: Close screen object system ...
2011-11-11Merge git://github.com/herbertx/cryptoLinus Torvalds
* git://github.com/herbertx/crypto: crypto: algapi - Fix build problem with NET disabled crypto: user - Fix rwsem leak in crypto_user
2011-11-11Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: fix force shutdown handling in xfs_end_io xfs: constify xfs_item_ops xfs: Fix possible memory corruption in xfs_readlink
2011-11-11btrfs: rename the option to nospace_cacheDavid Sterba
Rename no_space_cache option to nospace_cache to be more consistent with the rest, where the simple prefix 'no' is used to negate an option. The option has been introduced during the -rc1 cycle and there are has not been widely used, so it's safe. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-11drm/radeon/kms/pm: switch to dynamically allocating clock mode arrayAlex Deucher
On newer chips the number of clock modes per power state varies. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/kms: optimize r600_pm_profile_initAlex Deucher
Avoid a lot of extra loops through the pm state array. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/kms/pm: add a proper pm profile init function for fusionAlex Deucher
The new power tables need to be handled differently when setting up the profiles. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/kms: remove extraneous calls to radeon_pm_compute_clocks()Alex Deucher
It's already called via the DPMS functions. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11Btrfs: handle bio_add_page failure gracefully in scrubArne Jansen
Currently scrub fails with ENOMEM when bio_add_page fails. Unfortunately dm based targets accept only one page per bio, thus making scrub always fails. This patch just submits the current bio when an error is encountered and starts a new one. Signed-off-by: Arne Jansen <sensille@gmx.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-11drm/exynos: added padding to be 64-bit align.Inki Dae
Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm: fix kconfig unmet dependency warningRandy Dunlap
Fix kconfig unmet dependency warning. BACKLIGHT_CLASS_DEVICE depends on BACKLIGHT_LCD_SUPPORT, so select the latter along with the former. warning: (DRM_RADEON_KMS && DRM_I915 && STUB_POULSBO && FB_BACKLIGHT && PANEL_SHARP_LS037V7DW01 && PANEL_ACX565AKM && USB_APPLEDISPLAY && FB_OLPC_DCON && ASUS_LAPTOP && SONY_LAPTOP && THINKPAD_ACPI && EEEPC_LAPTOP && ACPI_ASUS && ACPI_CMPC && SAMSUNG_Q10) selects BACKLIGHT_CLASS_DEVICE which has unmet direct dependencies (HAS_IOMEM && BACKLIGHT_LCD_SUPPORT) Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: David Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11Merge branch 'drm-nouveau-fixes' of ↵Dave Airlie
git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes * 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6: drm/nouveau: Fix bandwidth calculation for DisplayPort drm/nouveau: by default use low bpp framebuffer on low memory cards drm/nv10: Change the BO size threshold determining the memory placement range. drm/nvc0: enable acceleration for nvc1 by default drm/nvc0/gr: fixup the mmio list register writes for 0xc1 drm/nvc1: hacky workaround to fix accel issues drm/nvc0/gr: fix some bugs in grctx generation drm/nvc0: enable acceleration on 0xc8 by default drm/nvc0/vram: skip disabled PBFB subunits drm/nv40/pm: fix issues on igp chipsets, which don't have memory drm/nouveau: testing the wrong variable drm/nvc0/vram: storage type 0xc3 is not compressed drm/nv50: fix stability issue on NV86. drm/nouveau: initialize chan->fence.lock before use drm/nv50/vram: fix incorrect detection of bank count on newer chipsets drm/nv50/gr: typo fix, how about we not reset fifo during graph init? drm/nv50/bios: fixup mpll programming from the init table parser drm/nouveau: fix oops if i2c bus not found in nouveau_i2c_identify() drm: make sure drm_vblank_init() has been called before touching vbl_lock
2011-11-11drm: add some comments to drm_wait_vblank and drm_queue_vblank_eventIlija Hadzic
during the review of the fix for locks problems in drm_wait_vblank, a couple of false concerns were raised about how the drm_vblank_get and drm_vblank_put are used in this function; it turned out that the code is correct and that it cannot be simplified add a few comments to explain non-obvious flows in the code, to prevent "false alarms" in the future v2: incorporate comments received from Daniel Vetter Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/benchmark: signedness bug in radeon_benchmark_move()Dan Carpenter
radeon_benchmark_do_move() returns an int so "time" should be int too. Making it unsigned breaks the error handling. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm: do not sleep on vblank while holding a mutexIlija Hadzic
drm_wait_vblank must be DRM_UNLOCKED because otherwise it will grab the drm_global_mutex and then go to sleep until the vblank event it is waiting for. That can wreck havoc in the windowing system because if one process issues this ioctl, it will block all other processes for the duration of all vblanks between the current and the one it is waiting for. In some cases it can block the entire windowing system. v2: incorporate comments received from Daniel Vetter and Michel Daenzer. v3/v4: after a lengty discussion with Daniel Vetter, it was concluded that the only thing not yet protected with locks and atomic ops is the write to dev->last_vblank_wait. It's only used in a debug file in proc, and the current code already employs no correct locking: the proc file only takes dev->struct_mutex, whereas drm_wait_vblank implicitly took the drm_global_mutex. Given all this, it's not worth bothering to try to fix the locks at this time. Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11MAINTAINERS: exynos: Add EXYNOS DRM maintainer entryKyungmin Park
As Exynos DRM is merged at mainline. Also update the maintainer entry. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm: try to restore previous CRTC config if mode set failsJesse Barnes
We restore the CRTC, encoder, and connector configurations, but if the mode set failed, the attached display may have been turned off, so we need to try set_config again to restore things to the way they were. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/kms: make an aux failure debug onlyAlex Deucher
Can happen when there is no DP panel attached, confusing users. Make it debug only. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm: drop select of SLOW_WORKPaul Bolle
slow-work got killed in commit 181a51f6e0. This means that since v2.6.36 there is no Kconfig symbol SLOW_WORK. Apparently selecting that symbol is a nop. Drop that select. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm: serialize access to list of debugfs filesMarcin Slusarz
Nouveau, when configured with debugfs, creates debugfs files for every channel, so structure holding list of files needs to be protected from simultaneous changes by multiple threads. Without this patch it's possible to hit kernel oops in drm_debugfs_remove_files just by running a couple of xterms with looped glxinfo. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/kms: fix use of vram scratch page on evergreen/niAlex Deucher
This hunk seems to have gotten lost when I rebased the patch. Reported-by: Sylvain Bertrand <sylvain.bertrand@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon: Make sure CS mutex is held across GPU reset.Michel Dänzer
This was only the case if the GPU reset was triggered from the CS ioctl, otherwise other processes could happily enter the CS ioctl and wreak havoc during the GPU reset. This is a little complicated because the GPU reset can be triggered from the CS ioctl, in which case we're already holding the mutex, or from other call paths, in which case we need to lock the mutex. AFAICT the mutex API doesn't allow recursive locking or finding out the mutex owner, so we need to handle this with helper functions which allow recursive locking from the same process. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm: Ensure string is null terminated.Vinson Lee
Fixes Coverity buffer not null terminated defect. Signed-off-by: Vinson Lee <vlee@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11vmwgfx: Only allow 64x64 cursorsJakob Bornecrantz
Snooping code expects this to be the case. Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11vmwgfx: Initialize clip rect loop correctly in surface dirtyJakob Bornecrantz
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11vmwgfx: Close screen object systemJakob Bornecrantz
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-10Btrfs: fix deadlock caused by the race between relocationMiao Xie
We can not do flushable reservation for the relocation when we create snapshot, because it may make the transaction commit task and the flush task wait for each other and the deadlock happens. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-10Btrfs: only map pages if we know we need them when reading the space cacheJosef Bacik
People have been running into a warning when loading space cache because the page is already mapped when trying to read in a bitmap. The way we read in entries and pages is kind of convoluted, so fix it so that io_ctl_read_entry maps the entries if it needs to, and if it hits the end of the page it simply unmaps the page. That way we can unconditionally unmap the io_ctl before reading in the bitmap and we should stop hitting these warnings. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-10Btrfs: fix orphan backref nodesMiao Xie
If the root node of a fs/file tree is in the block group that is being relocated, but the others are not in the other block groups. when we create a snapshot for this tree between the relocation tree creation ends and ->create_reloc_tree is set to 0, Btrfs will create some backref nodes that are the lowest nodes of the backrefs cache. But we forget to add them into ->leaves list of the backref cache and deal with them, and at last, they will triggered BUG_ON(). kernel BUG at fs/btrfs/relocation.c:239! This patch fixes it by adding them into ->leaves list of backref cache. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-10Btrfs: Abstract similar code for btrfs_block_rsv_add{, _noflush}Miao Xie
btrfs_block_rsv_add{, _noflush}() have similar code, so abstract that code. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-10Btrfs: fix unreleased path in btrfs_orphan_cleanup()Miao Xie
When we did stress test for the space relocation, the deadlock happened. By debugging, We found it was caused by the carelessness that we forgot to unlock the read lock of the extent buffers in btrfs_orphan_cleanup() before we end the transaction handle, so the transaction commit task waited the task, which called btrfs_orphan_cleanup(), to unlock the extent buffer, but that task waited the commit task to end the transaction commit, and the deadlock happened. Fix it. Signed-ff-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-10Btrfs: fix no reserved space for writing out inode cacheMiao Xie
I-node cache forgets to reserve the space when writing out it. And when we do some stress test, such as synctest, it will trigger WARN_ON() in use_block_rsv(). WARNING: at fs/btrfs/extent-tree.c:5718 btrfs_alloc_free_block+0xbf/0x281 [btrfs]() ... Call Trace: [<ffffffff8104df86>] warn_slowpath_common+0x80/0x98 [<ffffffff8104dfb3>] warn_slowpath_null+0x15/0x17 [<ffffffffa0369c60>] btrfs_alloc_free_block+0xbf/0x281 [btrfs] [<ffffffff810cbcb8>] ? __set_page_dirty_nobuffers+0xfe/0x108 [<ffffffffa035c040>] __btrfs_cow_block+0x118/0x3b5 [btrfs] [<ffffffffa035c7ba>] btrfs_cow_block+0x103/0x14e [btrfs] [<ffffffffa035e4c4>] btrfs_search_slot+0x249/0x6a4 [btrfs] [<ffffffffa036d086>] btrfs_lookup_inode+0x2a/0x8a [btrfs] [<ffffffffa03788b7>] btrfs_update_inode+0xaa/0x141 [btrfs] [<ffffffffa036d7ec>] btrfs_save_ino_cache+0xea/0x202 [btrfs] [<ffffffffa03a761e>] ? btrfs_update_reloc_root+0x17e/0x197 [btrfs] [<ffffffffa0373867>] commit_fs_roots+0xaa/0x158 [btrfs] [<ffffffffa03746a6>] btrfs_commit_transaction+0x405/0x731 [btrfs] [<ffffffff810690df>] ? wake_up_bit+0x25/0x25 [<ffffffffa039d652>] ? btrfs_log_dentry_safe+0x43/0x51 [btrfs] [<ffffffffa0381c5f>] btrfs_sync_file+0x16a/0x198 [btrfs] [<ffffffff81122806>] ? mntput+0x21/0x23 [<ffffffff8112d150>] vfs_fsync_range+0x18/0x21 [<ffffffff8112d170>] vfs_fsync+0x17/0x19 [<ffffffff8112d316>] do_fsync+0x29/0x3e [<ffffffff8112d348>] sys_fsync+0xb/0xf [<ffffffff81468352>] system_call_fastpath+0x16/0x1b Sometimes it causes BUG_ON() in the reservation code of the delayed inode is triggered. So we must reserve enough space for inode cache. Note: If we can not reserve the enough space for inode cache, we will give up writing out it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-10Btrfs: fix nocow when deleting the itemMiao Xie
btrfs_previous_item() just search the b+ tree, do not COW the nodes or leaves, if we modify the result of it, the meta-data will be broken. fix it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-10Merge branch 'mount-fixes' of git://github.com/idryomov/btrfs-unstable into ↵Chris Mason
integration
2011-11-10Btrfs: tweak the delayed inode reservations againChris Mason
Josef sent along an incremental to the inode reservation code to make sure we try and fall back to directly updating the inode item if things go horribly wrong. This reworks that patch slightly, adding a fallback function that will always try to update the inode item directly without going through the delayed_inode code. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-11crypto: algapi - Fix build problem with NET disabledHerbert Xu
The report functions use NLA_PUT so we need to ensure that NET is enabled. Reported-by: Luis Henriques <henrix@camandro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-11-10pata_of_platform: Don't use NO_IRQAnton Vorontsov
Drivers should not use NO_IRQ; moreover, some architectures don't have it nowadays. '0' is the 'no irq' case. Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2011-11-10Merge branch 'fix/misc' into for-linusTakashi Iwai
2011-11-10ALSA: usb-audio: Use kmemdup rather than duplicating its implementationThomas Meyer
Use kmemdup rather than duplicating its implementation The semantic patch that makes this change is available in scripts/coccinelle/api/memdup.cocci. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-11-10ALSA: hda - Re-enable the check NO_PRESENCE misc bitTakashi Iwai
We disabled the check of NO_PRESENCE bit of the default pin-config in commit f4419172 temporarily. One problem was that the first implementation was wrong -- the bit after the shift must be checked. However, this would still give many regressions on machines with broken BIOS. They set this bit wrongly even on active pins. A workaround is to check whether all pins contain this bit. As far as I've checked, broken BIOSen set this bit on all pins, no matter whether active or not. In such a case, the driver should ignore this bit check. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-11-10ALSA: vmaster - Free slave-links when freeing the master elementTakashi Iwai
When freeing the vmaster master element, we should release slave-links properly, not only assumig that slaves will be freed soon later. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-11-10ALSA: hda - Don't add elements of other codecs to vmaster slaveTakashi Iwai
When a virtual mater control is created, the driver looks for slave elements from the assigned card instance. But this may include the elements of other codecs when multiple codecs are on the same HD-audio bus. This works at the first time, but it'll give Oops when it's once freed and re-created via reconfig sysfs. This patch changes the element-look-up strategy to limit only to the mixer elements of the same codec. Reported-by: David Henningsson <david.henningsson@canonical.com> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-11-09Revert "proc: fix races against execve() of /proc/PID/fd**"Linus Torvalds
This reverts commit aa6afca5bcaba8101f3ea09d5c3e4100b2b9f0e5. It escalates of some of the google-chrome SELinux problems with ptrace ("Check failed: pid_ > 0. Did not find zygote process"), and Andrew says that it is also causing mystery lockdep reports. Reported-by: Alex Villacís Lasso <a_villacis@palosanto.com> Requested-by: James Morris <jmorris@namei.org> Requested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>