- 24 Dec, 2010 7 commits
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MyungJoo Ham authored
Because hibernate calls hibernation_ops->leave() without checking whether hibernation_ops->leave is NULL or not, hiberantion_set_ops should WARN_ON if hibernation_ops->leave is NULL. This patch added one more condition to check hibernation_ops->leave. Signed-off-by:
MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Acked-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl>
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Tejun Heo authored
After calling freeze_task(), try_to_freeze_tasks() see whether the task is stopped or traced and if so, considers it to be frozen; however, nothing guarantees that either the task being frozen sees TIF_FREEZE or the freezer sees TASK_STOPPED -> TASK_RUNNING transition. The task being frozen may wake up and not see TIF_FREEZE while the freezer fails to notice the transition and believes the task is still stopped. This patch fixes the race by making freeze_task() always go through fake_signal_wake_up() for applicable tasks. The function goes through the target task's scheduler lock and thus guarantees that either the target sees TIF_FREEZE or try_to_freeze_task() sees TASK_RUNNING. Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Tracey Dent authored
Use the ccflags-$ flag instead of EXTRA_CFLAGS because EXTRA_CFLAGS is deprecated and should now be switched. According to (documentation/kbuild/makefiles.txt). Signed-off-by:
Tracey Dent <tdent48227@gmail.com> Signed-off-by:
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Aaro Koskinen authored
Commit 05aa55dd changed routines to succeed if the driver handler is not defined. Comments were not updated. Signed-off-by:
Aaro Koskinen <aaro.koskinen@nokia.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2Linus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: ocfs2: Fix system inodes cache overflow. ocfs2: Hold ip_lock when set/clear flags for indexed dir. ocfs2: Adjust masklog flag values Ocfs2: Teach 'coherency=full' O_DIRECT writes to correctly up_read i_alloc_sem. ocfs2/dlm: Migrate lockres with no locks if it has a reference
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
* 'linus-hot-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix on-line resizing regression
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix GPIO2-fixup for Sony laptops ALSA: hda - Try to find an empty control index when it's occupied ALSA: hda - Fix conflict of d-mic capture volume controls ALSA: hda - Don't apply ALC269-specific initialization to ALC275 ALSA: hda - Add fix-up for Sony VAIO with ALC275 codecs ALSA: pcm: remember to always call va_end() on stuff that we va_start() ALSA: HDA: Add auto-mute for Thinkpad SL410/SL510
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- 23 Dec, 2010 27 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6Linus Torvalds authored
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (21 commits) [media] mceusb: set a default rx timeout [media] mceusb: fix inverted mask inversion logic [media] mceusb: add another Fintek device ID [media] lirc_dev: fixes in lirc_dev_fop_read() [media] lirc_dev: stray unlock in lirc_dev_fop_poll() [media] rc: fix sysfs entry for mceusb and streamzap [media] streamzap: merge timeout space with trailing space [media] mceusb: fix keybouce issue after parser simplification [media] IR: add tv power scancode to rc6 mce keymap [media] mceusb: buffer parsing fixups for 1st-gen device [media] mceusb: fix up reporting of trailing space [media] nuvoton-cir: improve buffer parsing responsiveness [media] mceusb: add support for Conexant Hybrid TV RDU253S [media] s5p-fimc: Fix output DMA handling in S5PV310 IP revisions [media] s5p-fimc: Use correct fourcc code for 32-bit RGB format [media] s5p-fimc: Convert m2m driver to unlocked_ioctl [media] s5p-fimc: Explicitly add required header file [media] s5p-fimc: Fix vidioc_g_crop/cropcap on camera sensor [media] s5p-fimc: BKL lock removal - compilation fix [media] soc-camera: fix static build of the sh_mobile_csi2.c driver ...
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Linus Torvalds authored
Merge branches 'perf-fixes-for-linus' and 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf probe: Fix to support libdwfl older than 0.148 perf tools: Fix lazy wildcard matching perf buildid-list: Fix error return for success perf buildid-cache: Fix symbolic link handling perf symbols: Stop using vmlinux files with no symbols perf probe: Fix use of kernel image path given by 'k' option * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, kexec: Limit the crashkernel address appropriately
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David Howells authored
In construct_alloc_key(), up_write() is called in the error path if __key_link_begin() fails, but this is incorrect as __key_link_begin() only returns with the nominated keyring locked if it returns successfully. Without this patch, you might see the following in dmesg: ===================================== [ BUG: bad unlock balance detected! ] ------------------------------------- mount.cifs/5769 is trying to release lock (&key->sem) at: [<ffffffff81201159>] request_key_and_link+0x263/0x3fc but there are no more locks to release! other info that might help us debug this: 3 locks held by mount.cifs/5769: #0: (&type->s_umount_key#41/1){+.+.+.}, at: [<ffffffff81131321>] sget+0x278/0x3e7 #1: (&ret_buf->session_mutex){+.+.+.}, at: [<ffffffffa0258e59>] cifs_get_smb_ses+0x35a/0x443 [cifs] #2: (root_key_user.cons_lock){+.+.+.}, at: [<ffffffff81201000>] request_key_and_link+0x10a/0x3fc stack backtrace: Pid: 5769, comm: mount.cifs Not tainted 2.6.37-rc6+ #1 Call Trace: [<ffffffff81201159>] ? request_key_and_link+0x263/0x3fc [<ffffffff81081601>] print_unlock_inbalance_bug+0xca/0xd5 [<ffffffff81083248>] lock_release_non_nested+0xc1/0x263 [<ffffffff81201159>] ? request_key_and_link+0x263/0x3fc [<ffffffff81201159>] ? request_key_and_link+0x263/0x3fc [<ffffffff81083567>] lock_release+0x17d/0x1a4 [<ffffffff81073f45>] up_write+0x23/0x3b [<ffffffff81201159>] request_key_and_link+0x263/0x3fc [<ffffffffa026fe9e>] ? cifs_get_spnego_key+0x61/0x21f [cifs] [<ffffffff812013c5>] request_key+0x41/0x74 [<ffffffffa027003d>] cifs_get_spnego_key+0x200/0x21f [cifs] [<ffffffffa026e296>] CIFS_SessSetup+0x55d/0x1273 [cifs] [<ffffffffa02589e1>] cifs_setup_session+0x90/0x1ae [cifs] [<ffffffffa0258e7e>] cifs_get_smb_ses+0x37f/0x443 [cifs] [<ffffffffa025a9e3>] cifs_mount+0x1aa1/0x23f3 [cifs] [<ffffffff8111fd94>] ? alloc_debug_processing+0xdb/0x120 [<ffffffffa027002c>] ? cifs_get_spnego_key+0x1ef/0x21f [cifs] [<ffffffffa024cc71>] cifs_do_mount+0x165/0x2b3 [cifs] [<ffffffff81130e72>] vfs_kern_mount+0xaf/0x1dc [<ffffffff81131007>] do_kern_mount+0x4d/0xef [<ffffffff811483b9>] do_mount+0x6f4/0x733 [<ffffffff8114861f>] sys_mount+0x88/0xc2 [<ffffffff8100ac42>] system_call_fastpath+0x16/0x1b Reported-by:Jeff Layton <jlayton@redhat.com> Signed-off-by:
David Howells <dhowells@redhat.com> Reviewed-and-Tested-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Andres Salomon authored
The default for non-READ_BACK GPIO regs is to have the clear bits set; this means that our original errata fix was too simplistic. This changes it to the following behavior: - when setting GPIOs, ignore the higher order bits (they're for clearing, we don't need to care about them). - when clearing GPIOs, keep all the bits, but unset (via XOR) the lower order bit that negates the clear bit that we care about. That is, if we're clearing GPIO 26 (val = 0x04000000), we first XOR what's currently in the register with 0x0400 (GPIO 26's SET bit), and then OR that with the GPIO 26's CLEAR bit. Tested-by:
Daniel Drake <dsd@laptop.org> Signed-off-by:
Andres Salomon <dilinger@queued.net> Signed-off-by:
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Andres Salomon authored
The edge detect status GPIOs function differently from the other atomic model CS5536 GPIO registers; writing 1 to the high bits clears the GPIO, but writing 1 to the lower bits also clears the bit. This means that read-modify-write doesn't actually work for it, so don't apply the errata here. If a negative edge status gets lost after resume.. well, we tried our best! Tested-by:
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Theodore Ts'o authored
https://bugzilla.kernel.org/show_bug.cgi?id=25352 This regression was caused by commit a31437b8: "ext4: use sb_issue_zeroout in setup_new_group_blocks", by accidentally dropping the code which reserved the block group descriptor and inode table blocks. Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Takashi Iwai authored
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Takashi Iwai authored
The fix-up entries by the commit 2785591a ALSA: hda - Add fix-up for Sony VAIO with ALC275 codecs weren't applied in the right position. They had to be before the quirk entry matching to all Sony devices. Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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Takashi Iwai authored
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Takashi Iwai authored
When a mixer control element was already created with the given name, try to find another index for avoiding conflicts, instead of breaking with an error. This makes the driver more robust. Signed-off-by: -
Takashi Iwai authored
When the d-mics are assigned to the same purpose of another analog mic pins, the driver doesn't compute the index properly, resulting in an error with "existing control". This patch fixes it. Signed-off-by: -
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: Include the connector name in the output_poll_execute() debug message drm/radeon/kms: fix bug in r600_gpu_is_lockup drm/radeon/kms: reorder display resume to avoid problems drm/radeon/kms/evergreen: reset the grbm blocks at resume and init drm/radeon/kms: fix evergreen asic reset Revert "drm: Don't try and disable an encoder that was never enabled" drm/radeon: Add early unregister of firmware fb's drm/radeon: use aperture size not vram size for overlap tests drm/radeon/kms/evergreen: flush hdp cache when flushing gart tlb drm/radeon/kms: disable the r600 cb offset checker for linear surfaces drm/radeon/kms: disable ss fixed ref divide drm/i915/bios: Reverse order of 100/120 Mhz SSC clocks agp/intel: Fix missed cached memory flags setting in i965_write_entry() drm/i915/sdvo: Only use the SDVO pin if it is in the valid range drm/i915/ringbuffer: Handle wrapping of the autoreported HEAD drm/i915/dp: Fix I2C/EDID handling with active DisplayPort to DVI converter
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: mfd: Support additional parent IDs for wm831x mfd: Fix ab8500-core interrupt ffs bit bug mfd: Supply IRQ base for WM832x devices watchdog: Fix null pointer dereference while accessing rdc321x platform_data gpio: Fix null pointer dereference while accessing rdc321x platform_data
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Sebastian Andrzej Siewior authored
This was fixed by David Lamparter in v2.6.36-rc5 34860089 ("spi: free children in spi_unregister_master, not siblings") and broken again in v2.6.37-rc1~2^2~4 during the merge of 2b9603a0 ("spi: enable spi_board_info to be registered after spi_master"). Signed-off-by:
Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by:
David Lamparter <equinox@diac24.net> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Jeff Mahoney authored
The taskstats structure is internally aligned on 8 byte boundaries but the layout of the aggregrate reply, with two NLA headers and the pid (each 4 bytes), actually force the entire structure to be unaligned. This causes the kernel to issue unaligned access warnings on some architectures like ia64. Unfortunately, some software out there doesn't properly unroll the NLA packet and assumes that the start of the taskstats structure will always be 20 bytes from the start of the netlink payload. Aligning the start of the taskstats structure breaks this software, which we don't want. So, for now the alignment only happens on architectures that require it and those users will have to update to fixed versions of those packages. Space is reserved in the packet only when needed. This ifdef should be removed in several years e.g. 2012 once we can be confident that fixed versions are installed on most systems. We add the padding before the aggregate since the aggregate is already a defined type. Commit 85893120 ("delayacct: align to 8 byte boundary on 64-bit systems") previously addressed the alignment issues by padding out the pid field. This was supposed to be a compatible change but the circumstances described above mean that it wasn't. This patch backs out that change, since it was a hack, and introduces a new NULL attribute type to provide the padding. Padding the response with 4 bytes avoids allocating an aligned taskstats structure and copying it back. Since the structure weighs in at 328 bytes, it's too big to do it on the stack. Signed-off-by:
Jeff Mahoney <jeffm@suse.com> Reported-by:
Brian Rogers <brian@xyzw.org> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Guillaume Chazarain <guichaz@gmail.com> Cc: Balbir Singh <balbir@in.ibm.com> Signed-off-by:
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Will Newton authored
The current packed struct implementation of unaligned access adds the packed attribute only to the field within the unaligned struct rather than to the struct as a whole. This is not sufficient to enforce proper behaviour on architectures with a default struct alignment of more than one byte. For example, the current implementation of __get_unaligned_cpu16 when compiled for arm with gcc -O1 -mstructure-size-boundary=32 assumes the struct is on a 4 byte boundary so performs the load of the 16bit packed field as if it were on a 4 byte boundary: __get_unaligned_cpu16: ldrh r0, [r0, #0] bx lr Moving the packed attribute to the struct rather than the field causes the proper unaligned access code to be generated: __get_unaligned_cpu16: ldrb r3, [r0, #0] @ zero_extendqisi2 ldrb r0, [r0, #1] @ zero_extendqisi2 orr r0, r3, r0, asl #8 bx lr Signed-off-by:Will Newton <will.newton@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Johannes Berg authored
When I added led_blink_set I had a typo: the return value of the hw offload is a regular error code that is zero when succesful, and in that case software emulation should not be used, rather than the other way around. Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Cc: Richard Purdie <rpurdie@linux.intel.com> Signed-off-by:
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Axel Lin authored
Signed-off-by:
Axel Lin <axel.lin@gmail.com> Cc: Thomas Hellstrom <thomas@tungstengraphics.com> Cc: Alan Hourihane <alanh@tungstengraphics.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Michal Nazarewicz authored
GCC complained about update_mmu_cache() not being defined in migrate.c. Including <asm/tlbflush.h> seems to solve the problem. Signed-off-by:
Michal Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by:
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Wolfram Sang authored
Match the buffer size to the amount of initialized values. Before, it was one too big and thus destroyed the neighbouring register causing the clock to run at false speeds. Reported-by:
Andre van Rooyen <a.v.rooyen@sercom.nl> Signed-off-by:
Wolfram Sang <w.sang@pengutronix.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: <stable@kernel.org> Signed-off-by:
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Andres Salomon authored
Remove Jordan as the geode maintainer (he's not been interested in geode for some time), and add myself as the maintainer. Signed-off-by:
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Aaro Koskinen authored
If GPIO request succeeds, but configuration fails, it should be released. Signed-off-by:
Eric Miao <eric.miao@canonical.com> Signed-off-by:
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Wu Fengguang authored
Using TASK_INTERRUPTIBLE in balance_dirty_pages() seems wrong. If it's going to do that then it must break out if signal_pending(), otherwise it's pretty much guaranteed to degenerate into a busywait loop. Plus we *do* want these processes to appear in D state and to contribute to load average. So it should be TASK_UNINTERRUPTIBLE. -- Andrew Morton Signed-off-by:
Wu Fengguang <fengguang.wu@intel.com> Signed-off-by:
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Prasad Joshi authored
This happens when __logfs_create() tries to write a new inode to the disk which is full. __logfs_create() associates the transaction pointer with inode. During the logfs_write_inode() function call chain this transaction pointer is moved from inode to page->private using function move_inode_to_page (do_write_inode() -> inode_to_page() -> move_inode_to_page) When the write inode fails, the transaction is aborted and iput is called on the failed inode. During delete_inode the same transaction pointer associated with the page is getting used. Thus causing kernel BUG. The patch checks for error in write_inode() and restores the page->private to NULL. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=20162Signed-off-by:
Prasad Joshi <prasadjoshi124@gmail.com> Cc: Joern Engel <joern@logfs.org> Cc: Florian Mickler <florian@mickler.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Maciej Rutecki <maciej.rutecki@gmail.com> Signed-off-by:
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Prasad Joshi authored
do_logfs_journal_wl_pass() should use GFP_NOFS for memory allocation GC code calls btree_insert32 with GFP_KERNEL while holding a mutex super->s_write_mutex. The same mutex is used in address_space_operations->writepage(), and a call to writepage() could be triggered as a result of memory allocation in btree_insert32, causing a deadlock. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=20342Signed-off-by:
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Mel Gorman authored
When correlating ftrace results with /proc/vmstat, I noticed that the reporting scripts value for "pages scanned" differed significantly. Both values were "right" depending on how you look at it. The difference is due to vmstat only counting scanning of the inactive list towards pages scanned. The analysis script for the tracepoint counts active and inactive list yielding a far higher value than vmstat. The resulting scanning/reclaim ratio looks much worse. The tracepoint is ok but this patch updates the reporting script so that the report values for scanned are similar to vmstat. Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Signed-off-by:
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Minchan Kim authored
del_page_from_lru_list() already called mem_cgroup_del_lru(). So we must not call it again. It adds unnecessary overhead. It was not a runtime bug because the TestClearPageCgroupAcctLRU() early in mem_cgroup_del_lru_list() will prevent any double-deletion, etc. Signed-off-by:
Minchan Kim <minchan.kim@gmail.com> Acked-by:
Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Signed-off-by:
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- 22 Dec, 2010 6 commits
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Mark Brown authored
Some newer device revisions add a second parent ID. Support this in the device validity checks done at startup. Signed-off-by:
Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org Signed-off-by:
Samuel Ortiz <sameo@linux.intel.com>
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Mattias Wallin authored
We want to find the first set bit on value, not status. Signed-off-by:
Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by:
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Mark Brown authored
Without this the IRQ base will not be correctly configured for the subdevices. Signed-off-by:
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Florian Fainelli authored
rdc321x-wdt currently fetches its driver specific data by using the platform_device->platform_data pointer, this is wrong because the mfd device which registers our platform_device has been added using mfd_add_device() which sets the platform_device->driver_data pointer instead. Signed-off-by:
Florian Fainelli <florian@openwrt.org> CC: stable@kernel.org Signed-off-by:
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Florian Fainelli authored
rdc321x-gpio currently fetches its driver specific data by using the platform_device->platform_data pointer, this is wrong because the mfd device which registers our platform_device has been added using mfd_add_device() which sets the platform_device->driver_data pointer instead. Signed-off-by:
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Tao Ma authored
When we store system inodes cache in ocfs2_super, we use a array for global system inodes. But unfortunately, the range is calculated wrongly which makes it overflow and pollute ocfs2_super->local_system_inodes. This patch fix it by setting the range properly. The corresponding bug is ossbug1303. http://oss.oracle.com/bugzilla/show_bug.cgi?id=1303 Cc: stable@kernel.org Signed-off-by:
Tao Ma <boyu.mt@taobao.com> Signed-off-by:
Joel Becker <joel.becker@oracle.com>
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