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* xfs: Remove some pointless quota checksJan Kara2015-01-211-39/+20
| | | | | | | | | | | xfs_fs_get_xstate() and xfs_fs_get_xstatev() check whether there's quota running before calling xfs_qm_scall_getqstat() or xfs_qm_scall_getqstatv(). Thus we are certain that superblock supports quota and xfs_sb_version_hasquota() check is pointless. Similarly we know that when quota is running, mp->m_quotainfo will be allocated. Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz>
* xfs: Remove some useless flags testsJan Kara2015-01-211-11/+4
| | | | | | | | | | 'flags' have XFS_ALL_QUOTA_ACCT cleared immediately on function entry. There's no point in checking these bits later in the function. Also because we check something is going to change, we know some enforcement bits are being added and thus there's no point in testing that later. Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz>
* xfs: Remove useless testJan Kara2015-01-211-1/+1
| | | | | | | Q_XQUOTARM is never passed to xfs_fs_set_xstate() so remove the test. Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz>
* quota: Verify flags passed to Q_SETINFOJan Kara2015-01-211-0/+8
| | | | | | | | | | | | | Currently flags passed via Q_SETINFO were just stored. This makes it hard to add new flags since in theory userspace could be just setting / clearing random flags. Since currently there is only one userspace settable flag and that is somewhat obscure flags only for ancient v1 quota format, I'm reasonably sure noone operates these flags and hopefully we are fine just adding the check that passed flags are sane. If we indeed find some userspace program that gets broken by the strict check, we can always remove it again. Signed-off-by: Jan Kara <jack@suse.cz>
* quota: Cleanup flags definitionsJan Kara2015-01-214-11/+22
| | | | | | | | Currently all quota flags were defined just in kernel-private headers. Export flags readable / writeable from userspace to userspace via include/uapi/linux/quota.h. Signed-off-by: Jan Kara <jack@suse.cz>
* ocfs2: Move OLQF_CLEAN flag out of generic quota flagsJan Kara2015-01-212-5/+6
| | | | | | | | | OLQF_CLEAN flag is used by OCFS2 on disk to recognize whether quota recovery is needed or not. We also somewhat abuse mem_dqinfo->dqi_flags to pass this flag around. Use private flags for this to avoid clashes with other quota flags / not pollute generic quota flag namespace. Signed-off-by: Jan Kara <jack@suse.cz>
* quota: Don't store flags for v2 quota formatJan Kara2015-01-211-2/+4
| | | | | | | | | | | | | | Currently, v2 quota format blindly stored flags from in-memory dqinfo on disk, although there are no flags supported. Since it is stupid to store flags which have no effect, just store 0 unconditionally and don't bother loading it from disk. Note that userspace could have stored some flags there via Q_SETINFO quotactl and then later read them (although flags have no effect) but I'm pretty sure noone does that (most definitely quota-tools don't and quota interface doesn't have too much other users). Signed-off-by: Jan Kara <jack@suse.cz>
* jbd: drop jbd_ENOSYS debugDavidlohr Bueso2015-01-152-18/+0
| | | | | | | | | A quick search shows that there are no users, drop the macro for both jbd and jbd2. Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: destroy sbi mutex in put_superFabian Frederick2015-01-121-0/+1
| | | | | | | | | | Call mutex_destroy() on superblock mutex in udf_put_super() otherwise mutex debugging code isn't able to detect that mutex is used after being freed. (thanks to Jan Kara for complete definition). Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Check length of extended attributes and allocation descriptorsJan Kara2015-01-071-0/+9
| | | | | | | | | | Check length of extended attributes and allocation descriptors when loading inodes from disk. Otherwise corrupted filesystems could confuse the code and make the kernel oops. Reported-by: Carl Henrik Lunde <chlunde@ping.uio.no> CC: stable@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Remove repeated loads blocksizeJan Kara2015-01-071-11/+8
| | | | | | | Store blocksize in a local variable in udf_fill_inode() since it is used a lot of times. Signed-off-by: Jan Kara <jack@suse.cz>
* isofs: Fix bug in the way to check if the year is a leap yearOscar Forner Martinez2015-01-071-14/+4
| | | | | | | | Changed the whole algorithm for a call to mktime64 that takes care of all that details. Signed-off-by: Oscar Forner Martinez <oscar.forner.martinez@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
* ext3: destroy sbi mutexes in put_superFabian Frederick2015-01-051-0/+2
| | | | | | | | | Call mutex_destroy() on superblock mutexes in ext3_put_super(). Otherwise mutex debugging code isn't able to detect that mutex is used after being freed. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Update Kconfig descriptionJan Kara2015-01-051-4/+6
| | | | | | | Update description of UDF in Kconfig to mention that UDF is also suitable for removable USB disks. Signed-off-by: Jan Kara <jack@suse.cz>
* Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds2015-01-043-2/+3
|\ | | | | | | | | | | | | | | | | Pull UML fixes from Richard Weinberger: "Two fixes for UML regressions. Nothing exciting" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: x86, um: actually mark system call tables readonly um: Skip futex_atomic_cmpxchg_inatomic() test
| * x86, um: actually mark system call tables readonlyDaniel Borkmann2015-01-042-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit a074335a370e ("x86, um: Mark system call tables readonly") was supposed to mark the sys_call_table in UML as RO by adding the const, but it doesn't have the desired effect as it's nevertheless being placed into the data section since __cacheline_aligned enforces sys_call_table being placed into .data..cacheline_aligned instead. We need to use the ____cacheline_aligned version instead to fix this issue. Before: $ nm -v arch/x86/um/sys_call_table_64.o | grep -1 "sys_call_table" U sys_writev 0000000000000000 D sys_call_table 0000000000000000 D syscall_table_size After: $ nm -v arch/x86/um/sys_call_table_64.o | grep -1 "sys_call_table" U sys_writev 0000000000000000 R sys_call_table 0000000000000000 D syscall_table_size Fixes: a074335a370e ("x86, um: Mark system call tables readonly") Cc: H. Peter Anvin <hpa@zytor.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Richard Weinberger <richard@nod.at>
| * um: Skip futex_atomic_cmpxchg_inatomic() testRichard Weinberger2015-01-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | futex_atomic_cmpxchg_inatomic() does not work on UML because it triggers a copy_from_user() in kernel context. On UML copy_from_user() can only be used if the kernel was called by a real user space process such that UML can use ptrace() to fetch the value. Reported-by: Miklos Szeredi <miklos@szeredi.hu> Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Richard Weinberger <richard@nod.at> Tested-by: Daniel Walter <d.walter@0x90.at>
* | Revert "ARM: 7830/1: delay: don't bother reporting bogomips in /proc/cpuinfo"Pavel Machek2015-01-042-0/+21
|/ | | | | | | | | | | | | | | | | | | Commit 9fc2105aeaaf ("ARM: 7830/1: delay: don't bother reporting bogomips in /proc/cpuinfo") breaks audio in python, and probably elsewhere, with message FATAL: cannot locate cpu MHz in /proc/cpuinfo I'm not the first one to hit it, see for example https://theredblacktree.wordpress.com/2014/08/10/fatal-cannot-locate-cpu-mhz-in-proccpuinfo/ https://devtalk.nvidia.com/default/topic/765800/workaround-for-fatal-cannot-locate-cpu-mhz-in-proc-cpuinf/?offset=1 Reading original changelog, I have to say "Stop breaking working setups. You know who you are!". Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'scsi-fixes' of ↵Linus Torvalds2015-01-024-5/+21
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is a set of three fixes: one to correct an abort path thinko causing failures (and a panic) in USB on device misbehaviour, One to fix an out of order issue in the fnic driver and one to match discard expectations to qemu which otherwise cause Linux to behave badly as a guest" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: SCSI: fix regression in scsi_send_eh_cmnd() fnic: IOMMU Fault occurs when IO and abort IO is out of order sd: tweak discard heuristics to work around QEMU SCSI issue
| * SCSI: fix regression in scsi_send_eh_cmnd()Alan Stern2014-12-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit ac61d1955934 (scsi: set correct completion code in scsi_send_eh_cmnd()) introduced a bug. It changed the stored return value from a queuecommand call, but it didn't take into account that the return value was used again later on. This patch fixes the bug by changing the later usage. There is a big comment in the middle of scsi_send_eh_cmnd() which does a good job of explaining how the routine works. But it mentions a "rtn = FAILURE" value that doesn't exist in the code. This patch adjusts the code to match the comment (I assume the comment is right and the code is wrong). This fixes Bugzilla #88341. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: Андрей Аладьев <aladjev.andrew@gmail.com> Tested-by: Андрей Аладьев <aladjev.andrew@gmail.com> Fixes: ac61d19559349e205dad7b5122b281419aa74a82 Acked-by: Hannes Reinecke <hare@suse.de> Cc: <stable@vger.kernel.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * fnic: IOMMU Fault occurs when IO and abort IO is out of orderAnil Chintalapati (achintal)2014-12-302-1/+16
| | | | | | | | | | | | | | | | | | | | | | | | When I/O is aborted by mid-layer, fnic FW will complete the I/O before completing the abort task. In some cases abort request is completed before the I/O, which could lead to inconsistent driver and firmware states. In this case firmware reset would clear the inconsistent state. Signed-off-by: Anil Chintalapati <achintal@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by: Hiral Shah <hishah@cisco.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * sd: tweak discard heuristics to work around QEMU SCSI issueMartin K. Petersen2014-12-301-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 7985090aa020 changed the discard heuristics to give preference to the WRITE SAME commands that (unlike UNMAP) guarantee deterministic results. Ming Lei discovered that QEMU SCSI's WRITE SAME implementation internally relied on limits that were only communicated for the UNMAP case. And therefore discard commands backed by WRITE SAME would fail. Tweak the heuristics so we still pick UNMAP in the LBPRZ=0 case and only prefer the WRITE SAME variants if the device has the LBPRZ flag set. Reported-by: Ming Lei <ming.lei@canonical.com> Tested-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* | Merge tag 'sound-3.19-rc3' of ↵Linus Torvalds2015-01-0210-45/+57
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Nothing too exciting as a new year's start here: most of fixes are for ASoC, a boot crash fix on OMAP for deferred probe, a few driver specific fixes (Intel, dwc, rockchip, rt5677), in addition to typo fixes in kerneldoc comments for PCM" * tag 'sound-3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: pcm: Fix kerneldoc for params_*() functions ASoC: rockchip: i2s: fix maxburst of dma data to 4 ASoC: rockchip: i2s: fix error defination of transmit data level ASoC: Intel: correct the fixed free block allocation ASoC: rt5677: fixed rt5677_dsp_vad_put rt5677_dsp_vad_get panic ASoC: Intel: Fix BYTCR machine driver MODULE_ALIAS ASoC: Intel: Fix BYTCR firmware name ASoC: dwc: Iterate over all channels ASoC: dwc: Ensure FIFOs are flushed to prevent channel swap ASoC: Intel: Add I2C dependency to two new machines ASoC: dapm: Remove snd_soc_of_parse_audio_routing() due to deferred probe
| * | ALSA: pcm: Fix kerneldoc for params_*() functionsLars-Peter Clausen2014-12-301-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | Fix a copy and paste error in the kernel doc description for the params_*() functions. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | Merge tag 'asoc-fix-v3.19-rc2' of ↵Takashi Iwai2014-12-309-40/+52
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v3.19 A few fixes for v3.19, a few driver specifics and one core fix which fixes a boot crash on OMAP if deferred probing kicks in due to attempting to modify static data.
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| | *-----. \ Merge remote-tracking branches 'asoc/fix/dwc', 'asoc/fix/intel', ↵Mark Brown2014-12-248-31/+47
| | |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | 'asoc/fix/rockchip' and 'asoc/fix/rt5677' into asoc-linus
| | | | | | * | ASoC: rt5677: fixed rt5677_dsp_vad_put rt5677_dsp_vad_get panicFang, Yang A2014-12-241-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | snd_kcontrol_chip should return snd_soc_component instead of snd_soc_codec Signed-off-by: Fang, Yang A <yang.a.fang@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | ASoC: rockchip: i2s: fix maxburst of dma data to 4Jianqun Xu2014-12-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since RK3288 DMAC's burst length only support max to 4, here set maxburst of playback and capture dma data to 4. Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | ASoC: rockchip: i2s: fix error defination of transmit data levelJianqun Xu2014-12-241-1/+1
| | | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to description about "Transmit Data Level", This bit field controls the level at which a DMA request is made by the transmit logic. It is equal to the watermark level. That is, the dma_tx_req signal is generated when the number of valid data entries in the TXFIFO (TXFIFO0 if CSR=00 TXFIFO1 if CSR=01 TXFIFO2 if CSR=10 TXFIFO3 if CSR=11) is equal to or below this field value. Different to receive data level, transmit data level does not need to "-1". Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | ASoC: Intel: correct the fixed free block allocationJie Yang2014-12-241-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For block span more than 1 section, when allocate it from a free block, we need allocate the remain buffers within the block, and then continue alloc the rest of needed size buffer. Here also make sure this free block is moved from free list to used list, and add it to block_list which may be used for power gating disabling later. Signed-off-by: Jie Yang <yang.jie@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | ASoC: Intel: Fix BYTCR machine driver MODULE_ALIASJarkko Nikula2014-12-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | snd_soc_sst_bytcr_dpcm_rt5640 doesn't autoload because MODULE_ALIAS doesn't match with "bytt100_rt5640" platform device. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Cc: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | ASoC: Intel: Fix BYTCR firmware nameJarkko Nikula2014-12-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BYTCR DSP firmware is in intel/ subdirectory. See linux-firmware.git commit d562a3b63632 ("linux-firmware: add sst audio firmware for baytrail platforms"). Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | ASoC: Intel: Add I2C dependency to two new machinesJarkko Nikula2014-12-221-2/+2
| | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following build error when CONFIG_I2C is not enabled: sound/soc/codecs/rt5640.c:2252:1: warning: data definition has no type or storage class module_i2c_driver(rt5640_i2c_driver); ^ sound/soc/codecs/rt5640.c:2252:1: error: type defaults to ‘int’ in declaration of ‘module_i2c_driver’ [-Werror=implicit-int] sound/soc/codecs/rt5640.c:2252:1: warning: parameter names (without types) in function declaration sound/soc/codecs/rt5640.c:2241:26: warning: ‘rt5640_i2c_driver’ defined but not used [-Wunused-variable] static struct i2c_driver rt5640_i2c_driver = { ^ cc1: some warnings being treated as errors Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reported-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | * | | ASoC: dwc: Iterate over all channelsAndrew Jackson2014-12-221-19/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Designware core can be configured with up to four stereo channels. Each stereo channel is individually configured so, when the driver's hw_params call is made, each requested stereo channel has to be programmed. Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | * | | ASoC: dwc: Ensure FIFOs are flushed to prevent channel swapAndrew Jackson2014-12-221-0/+14
| | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Flush the FIFOs when the stream is prepared for use. This avoids an inadvertent swapping of the left/right channels if the FIFOs are not empty at startup. Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
| | * | | Merge remote-tracking branch 'asoc/fix/dapm' into asoc-linusMark Brown2014-12-241-9/+5
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| | | * | ASoC: dapm: Remove snd_soc_of_parse_audio_routing() due to deferred probeMark Brown2014-12-191-9/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit f8781db8aeb18d (ASoC: dapm: Augment existing card DAPM routes in snd_soc_of_parse_audio_routing) since it is broken for deferred probing as it ends up storing data allocated with devm_ over multiple instantiations of the device. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
* | | | | Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds2015-01-022-3/+14
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull vhost cleanup and virtio bugfix "There's a single change here, fixing a vhost bug where vhost initialization fails due to used ring alignment check being too strict" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: relax used address alignment virtio_ring: document alignment requirements
| * | | | | vhost: relax used address alignmentMichael S. Tsirkin2014-12-291-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | virtio 1.0 only requires used address to be 4 byte aligned, vhost required 8 bytes (size of vring_used_elem). Fix up vhost to match that. Additionally, while vhost correctly requires 8 byte alignment for log, it's unconnected to used ring: it's a consequence that log has u64 entries. Tweak code to make that clearer. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| * | | | | virtio_ring: document alignment requirementsMichael S. Tsirkin2014-12-291-0/+7
| | |_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Host needs to know vring element alignment requirements: simply doing alignof on structures doesn't work reliably: on some platforms gcc has alignof(uint32_t) == 2. Add macros for alignment as specified in virtio 1.0 cs01, export them to userspace as well. Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* | | | | Merge branch 'upstream' of git://git.infradead.org/users/pcmoore/auditLinus Torvalds2014-12-311-9/+40
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull audit fix from Paul Moore: "One audit patch to resolve a panic/oops when recording filenames in the audit log, see the mail archive link below. The fix isn't as nice as I would like, as it involves an allocate/copy of the filename, but it solves the problem and the overhead should only affect users who have configured audit rules involving file names. We'll revisit this issue with future kernels in an attempt to make this suck less, but in the meantime I think this fix should go into the next release of v3.19-rcX. [ https://marc.info/?t=141986927600001&r=1&w=2 ]" * 'upstream' of git://git.infradead.org/users/pcmoore/audit: audit: create private file name copies when auditing inodes
| * | | | | audit: create private file name copies when auditing inodesPaul Moore2014-12-301-9/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately, while commit 4a928436 ("audit: correctly record file names with different path name types") fixed a problem where we were not recording filenames, it created a new problem by attempting to use these file names after they had been freed. This patch resolves the issue by creating a copy of the filename which the audit subsystem frees after it is done with the string. At some point it would be nice to resolve this issue with refcounts, or something similar, instead of having to allocate/copy strings, but that is almost surely beyond the scope of a -rcX patch so we'll defer that for later. On the plus side, only audit users should be impacted by the string copying. Reported-by: Toralf Foerster <toralf.foerster@gmx.de> Signed-off-by: Paul Moore <pmoore@redhat.com>
* | | | | | Revert "Input: atmel_mxt_ts - use deep sleep mode when stopped"Linus Torvalds2014-12-311-73/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 9d469d033d135d80742a4e39e6bbb4519dd5eee1. It breaks the Chromebook Pixel touchpad (and touchscreen). Reported-by: Dirk Hohndel <dirk@hohndel.org> Bisected-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Nick Dyer <nick.dyer@itdev.co.uk> Cc: Benson Leung <bleung@chromium.org> Cc: Yufeng Shen <miletus@chromium.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: stable@vger.kernel.org # v3.16+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | Merge tag 'nios2-fixes-v3.19-rc3' of ↵Linus Torvalds2014-12-312-18/+3
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.rocketboards.org/linux-socfpga-next Pull arch/nios2 fixes from Ley Foon Tan: - fix compilation error when enable CONFIG_PREEMPT - initialize cpuinfo.mmu variable supplied by the device tree * tag 'nios2-fixes-v3.19-rc3' of git://git.rocketboards.org/linux-socfpga-next: nios2: Use preempt_schedule_irq nios2: Initialize cpuinfo.mmu
| * | | | | | nios2: Use preempt_schedule_irqTobias Klauser2014-12-311-18/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Follow aa0d53260596 ("ia64: Use preempt_schedule_irq") and use preempt_schedule_irq instead of enabling/disabling interrupts and messing around with PREEMPT_ACTIVE in the nios2 low-level preemption code ourselves. Also get rid of the now needless re-check for TIF_NEED_RESCHED, preempt_schedule_irq will already take care of rescheduling. This also fixes the following build error when building with CONFIG_PREEMPT: arch/nios2/kernel/built-in.o: In function `need_resched': arch/nios2/kernel/entry.S:374: undefined reference to `PREEMPT_ACTIVE' Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
| * | | | | | nios2: Initialize cpuinfo.mmuWalter Goossens2014-12-311-0/+1
| | |/ / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch initializes the mmu field of the cpuinfo structure to the value supplied by the devicetree. Signed-off-by: Walter Goossens <waltergoossens@home.nl> Acked-by: Ley Foon Tan <lftan@altera.com>
* | | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds2014-12-311-0/+3
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull crypto fix from Herbert Xu: "Fix a use-after-free crash in the user-space crypto API" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: af_alg - fix backlog handling
| * | | | | | crypto: af_alg - fix backlog handlingRabin Vincent2014-12-221-0/+3
| | |_|_|/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a request is backlogged, it's complete() handler will get called twice: once with -EINPROGRESS, and once with the final error code. af_alg's complete handler, unlike other users, does not handle the -EINPROGRESS but instead always completes the completion that recvmsg() is waiting on. This can lead to a return to user space while the request is still pending in the driver. If userspace closes the sockets before the requests are handled by the driver, this will lead to use-after-frees (and potential crashes) in the kernel due to the tfm having been freed. The crashes can be easily reproduced (for example) by reducing the max queue length in cryptod.c and running the following (from http://www.chronox.de/libkcapi.html) on AES-NI capable hardware: $ while true; do kcapi -x 1 -e -c '__ecb-aes-aesni' \ -k 00000000000000000000000000000000 \ -p 00000000000000000000000000000000 >/dev/null & done Cc: stable@vger.kernel.org Signed-off-by: Rabin Vincent <rabin.vincent@axis.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | | | | | Merge tag 'fixes-for-linus' of ↵Linus Torvalds2014-12-303-25/+2
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "A very small set of fixes for 3.19, as everyone was out. The clocksource patch was something I missed for the merge window after the change that broke arm64 was merged through arm-soc. The other two patches are a fix for an undetected merge problem in mvebu and a defconfig change to make some exynos boards work with the normal multi_v7_defconfig" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: Add USB_EHCI_EXYNOS to multi_v7_defconfig ARM: mvebu: Fix pinctrl configuration for Armada 370 DB clocksource: arch_timer: Only use the virtual counter (CNTVCT) on arm64
| * | | | | | Add USB_EHCI_EXYNOS to multi_v7_defconfigSteev Klimaszewski2014-12-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we enable Exynos devices in the multi v7 defconfig, however, when testing on my ODROID-U3, I noticed that USB was not working. Enabling this option causes USB to work, which enables networking support as well since the ODROID-U3 has networking on the USB bus. [arnd] Support for odroid-u3 was added in 3.10, so it would be nice to backport this fix at least that far. Signed-off-by: Steev Klimaszewski <steev@gentoo.org> Cc: stable@vger.kernel.org # 3.10 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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