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2010-10-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-10-08isdn: strcpy() => strlcpy()Dan Carpenter
setup.phone and setup.eazmsn are 32 character buffers. rcvmsg.msg_data.byte_array is a 48 character buffer. sc_adapter[card]->channel[rcvmsg.phy_link_no - 1].dn is 50 chars. The rcvmsg struct comes from the memcpy_fromio() in receivemessage(). I guess that means it's data off the wire. I'm not very familiar with this code but I don't see any reason to assume these strings are NULL terminated. Also it's weird that "dn" in a 50 character buffer but we only seem to use 32 characters. In drivers/isdn/sc/scioc.h, "dn" is only a 49 character buffer. So potentially there is still an issue there. The important thing for now is to prevent the memory corruption. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-08exofs: Fix double page_unlock BUG in write_begin/endBoaz Harrosh
This BUG is there since the first submit of the code, but only triggered in last Kernel. It's timing related do to the asynchronous object-creation behaviour of exofs. (Which should be investigated farther) The bug is obvious hence the fixed. Signed-off-by: Boaz Harrosh <Boaz Harrosh bharrosh@panasas.com>
2010-10-08drm/i915: Prevent module unload to avoid random memory corruptionChris Wilson
The i915 driver has quite a few module unload bugs, the known ones at least have fixes that are targeting 2.6.37. However, in order to maintain a stable kernel, we should prevent this known random memory corruption following driver unload. This should have very low impact on normal users who are unlikely to need to unload the i915 driver. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08cpuimx27: fix i2c bus selectionEric Bénard
Recent clean of i.MX devices registration changed the i2C bus number selected for our platform (Freescale start peripheral ID at 1, kernel now start it at 0 so i.MX27's i2c 1 is kernel's i2c 0). Without this fix, i2c is unusable on this platform. Signed-off-by: Eric Bénard <eric@eukrea.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-10-08cpuimx27: fix compile when ULPI is selectedEric Bénard
without this patch we get : arch/arm/mach-imx/built-in.o: In function `eukrea_cpuimx27_init': eukrea_mbimx27-baseboard.c:(.init.text+0x44c): undefined reference to `mxc_ulpi_access_ops' Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-10-08drm/i915: Update hotplug interrupts register definitions for SandybridgeYuanhan Liu
On Sandybridge, the bit definition for hotplug on SDE has changed, so update the code to new definition. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=30378 Cc: stable@kernel.org Signed-off-by: Yuanhan Liu <yuanhan.liu@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/crt: Make sure the hotplug interrupt is enabledYuanhan Liu
After disabling the hotplug interrupts for VGA detection on Ironlake, be sure to re-enable them again afterwards. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=30378 Signed-off-by: Yuanhan Liu <yuanhan.liu@intel.com> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: diasable clock gating for the panel power sequencerJesse Barnes
Needed on Ibex Peak and Cougar Point or the panel won't always come on. Cc: stable@kernel.org Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/dp: make eDP PLL functions work as advertisedJesse Barnes
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/dp: don't bother with DP PLL for PCH attached eDPJesse Barnes
We don't use the CPU DP PLL with PCH attached eDP panels, so don't bother to enable it. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/dp: use VBT provided eDP params if availableJesse Barnes
We can skip most of the link training step if we use the VBT provided values. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/dp: cache eDP DPCD dataJesse Barnes
Cache the first 4 bytes of DPCD data in the eDP case. It's unlikely to change and can save us some trouble at link training time. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: don't program FDI RX/TX in mode_setJesse Barnes
We do this later (and more properly) when we enable FDI, so we don't need to do it here. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: fix ironlake CRTC enable/disableJesse Barnes
Wait for vblank after enabling a pipe, make the error messages more informative, and wait for the pipe to turn off when we disable it. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: use DPLL_DVO_HIGH_SPEED for PCH eDPJesse Barnes
As with other PCH DP connections. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: use 120MHz refclk in PCH eDP case tooJesse Barnes
CPU eDP needs a different reference clock than PCH eDP, which uses the standard PCH refclk of 120MHz. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: fix PCH eDP SSC supportJesse Barnes
Enable SSC on PCH eDP if possible. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> [ickle: added a posting read of PCH_DREF_CONTROL before the udelay] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: add Ironlake clock gating workaround for FDI link trainingJesse Barnes
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: fetch eDP configuration data from the VBTJesse Barnes
We need to use some of these values in eDP configurations, so be sure to fetch them and store them in the i915 private structure. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: add _DSM supportJesse Barnes
The _DSM method on the integrated graphics device can tell us which connectors are muxable, so add support for making the call and parsing out the connector info. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> [ickle: fix compiler warnings for using uninitialized 'result' and downgrade error message for non-switchable devices] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08ARM: 6435/1: Fix HWCAP_TLS flag for ARM11MPCore/Cortex-A9Tony Lindgren
Commit 14eff1812679c76564b775aa95cdd378965f6cfb added proper detection for ARM11MPCore/Cortex-A9 instead of detecting them as ARMv7. However, it was missing the HWCAP_TLS flags. HWCAP_TLS is needed if support for earlier ARMv6 is compiled into the same kernel. Without HWCAP_TLS flags the userspace won't work unless nosmp is specified: Kernel panic - not syncing: Attempted to kill init! CPU0: stopping <c005d5e4>] (unwind_backtrace+0x0/0xec) from [<c004c2f8>] (do_IPI+0xfc/0x184) <c004c2f8>] (do_IPI+0xfc/0x184) from [<c03f25bc>] (__irq_svc+0x9c/0x160) Exception stack(0xc0565f80 to 0xc0565fc8) 5f80: 00000001 c05772a0 00000000 00003a61 c0564000 c05cf500 c003603c c0578600 5fa0: 80033ef0 410fc091 0000001f 00000000 00000000 c0565fc8 c00b91f8 c0057cb4 5fc0: 20000013 ffffffff [<c03f25bc>] (__irq_svc+0x9c/0x160) from [<c0057cb4>] (default_idle+0x30/0x38) [<c0057cb4>] (default_idle+0x30/0x38) from [<c005829c>] (cpu_idle+0x9c/0xf8) [<c005829c>] (cpu_idle+0x9c/0xf8) from [<c0008d48>] (start_kernel+0x2a4/0x300) [<c0008d48>] (start_kernel+0x2a4/0x300) from [<80008084>] (0x80008084) Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-08ARM: 6436/1: AT91: Fix power-saving in idle-mode on 926T processorsAnders Larsen
According to Atmel, their 926T processors (AT91 post RM9200) requires 'Wait for Interrupt' mode be entered right after disabling the processor clock in order to minimise current consumption when idle, so do both provided we're not running on a 920T (an RM9200). Furthermore, get rid of the #ifndef CONFIG_DEBUG_KERNEL, since arch_idle() can be turned off completely with the kernel parameter 'nohlt'. Cc: Andrew Victor <avictor.za@gmail.com> Signed-off-by: Anders Larsen <al@alarsen.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-08x86, mce, therm_throt.c: Fix missing curly braces in error handling logicJin Dongming
When the feature PTS is not supported by CPU, the sysfile package_power_limit_count for package should not be generated. This patch is used for fixing missing { and }. The patch is not complete as there are other error handling problems in this function - but that can wait until the merge window. Signed-off-by: Jin Dongming <jin.dongming@np.css.fujitsu.com> Reviewed-by: Fenghua Yu <fenghua.yu@initel.com> Acked-by: Jean Delvare <khali@linux-fr.org> Cc: Brown Len <len.brown@intel.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: lm-sensors@lm-sensors.org <lm-sensors@lm-sensors.org> LKML-Reference: <4C7625D1.4060201@np.css.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-10-08drm/i915/dp: eDP power sequencing fixesJesse Barnes
Enable the panel before adjusting eDP link params, make sure the panel is idle after powering it on before proceeding with other activity, delay backlight enable to avoid visible flicker. Also avoid using VDD per hw team recommendation; it can conflict with the builtin panel power sequencing logic and lead to panel power sequencing failures. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: fix CPU vs PCH eDP confusionJesse Barnes
FDI training needs to done and idle for PCH eDP and before we turn the pipes on, and various eDP checks need to account for PCH attached eDP. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: remove broken intel_pch_has_edp functionJesse Barnes
Since we set the output type of PCH attached eDP panels to INTEL_OUTPUT_eDP this function would never return true when it should. It's been replaced by working functions. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915: add eDP checking functions for the display codeJesse Barnes
The display code needs to distinguish between CPU and PCH attached eDP panels, so add some helpers to handle that. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/dp: correct eDP lane count and bppJesse Barnes
With the old check we'd never set lane_count or bpp to different values on PCH attached eDP panels. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/dp: remove redundant is_pch_edp checksJesse Barnes
If is_edp is true, is_pch_edp will always be true. So limit the calls to the latter function to places where the distinction actually matters. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08drm/i915/dp: convert eDP checks to functions and documentJesse Barnes
Most of the PCH eDP checks are redundant, so document the functions in preparation for removing most of the calls. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-08ARM: SAMSUNG: Add a workaround for get_clock() for serial driverMarek Szyprowski
Serial drivers call get_clock() very early, before platform bus has been set up, this requires a special check to let them get a proper clock. Without this patch, a serial console is broken on S5PV310 and S5PC210 boards. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> [kgene.kim@samsung.com: fix coding-style] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org>
2010-10-08ARM: S5P: Bug fix on errors of build with CONFIG_PREEMPT_NONESeungChull Suh
This patch adds header <linux/sched.h> into the below files for build with CONFIG_PREEMPT_NONE. arch/arm/mach-s5p6440/cpu.c arch/arm/mach-s5p6442/cpu.c arch/arm/mach-s5pc100/cpu.c arch/arm/mach-s5pv210/cpu.c Following is error message of in case of s5pv210_defconfig with CONFIG_PREEMPT_NONE. arch/arm/mach-s5pv210/cpu.c:91: error: implicit declaration of function 'need_resched' Signed-off-by: SeungChull Suh <sc.suh@samsung.com> [kgene.kim@samsung.com: removed mach-s5p64x0/cpu.c] [kgene.kim@samsung.com: added fix mach-s5p6440/cpu.c] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-10-08ARM: SAMSUNG: Fix build warnings because of unused codesKukjin Kim
This patch removes following unused codes for removing build warnings. arch/arm/plat-samsung/adc.c:438: warning: unused variable 'flags' arch/arm/mach-s5pv210/clock.c:176: warning: 's5pv210_clk_ip4_ctrl' defined but not used Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-10-07Merge branch 'hwpoison-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6 * 'hwpoison-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: HWPOISON: Stop shrinking at right page count HWPOISON: Report correct address granuality for AO huge page errors HWPOISON: Copy si_addr_lsb to user page-types.c: fix name of unpoison interface
2010-10-07Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: elevator: fix oops on early call to elevator_change()
2010-10-07Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds
* 'for-linus' of git://neil.brown.name/md: md: check return code of read_sb_page md/raid1: minor bio initialisation improvements. md/raid1: avoid overflow in raid1 resync when bitmap is in use.
2010-10-07Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: don't drop handle reference on unload drm/ttm: Fix two race conditions + fix busy codepaths
2010-10-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - fix runtime PM related deadlock Input: joydev - fix JSIOCSAXMAP ioctl Input: uinput - setup MT usage during device creation
2010-10-07Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: properly account for reclaimed inodes
2010-10-07Merge branch 'v4l_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (37 commits) V4L/DVB: v4l: radio: si470x: fix unneeded free_irq() call V4L/DVB: v4l: videobuf: prevent passing a NULL to dma_free_coherent() V4L/DVB: ir-core: Fix null dereferences in the protocols sysfs interface V4L/DVB: v4l: s5p-fimc: Fix 3-planar formats handling and pixel offset error on S5PV210 SoCs V4L/DVB: v4l: s5p-fimc: Fix return value on probe() failure V4L/DVB: uvcvideo: Restrict frame rates for Chicony CNF7129 webcam V4L/DVB: uvcvideo: Fix support for Medion Akoya All-in-one PC integrated webcam V4L/DVB: ivtvfb: prevent reading uninitialized stack memory V4L/DVB: cx25840: Fix typo in volume control initialization: 65335 vs. 65535 V4L/DVB: v4l: mem2mem_testdev: add missing release for video_device V4L/DVB: v4l: mem2mem_testdev: fix errorenous comparison V4L/DVB: mt9v022.c: Fixed compilation warning V4L/DVB: mt9m111: added current colorspace at g_fmt V4L/DVB: mt9m111: cropcap and s_crop check if type is VIDEO_CAPTURE V4L/DVB: mx2_camera: fix a race causing NULL dereference V4L/DVB: tm6000: bugfix data handling V4L/DVB: gspca - sn9c20x: Bad transfer size of Bayer images V4L/DVB: videobuf-dma-sg: set correct size in last sg element V4L/DVB: cx231xx: Avoid an OOPS when card is unknown (card=0) V4L/DVB: dvb: fix smscore_getbuffer() logic ...
2010-10-07Merge branch 'i2c-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: of/i2c: Fix module load order issue caused by of_i2c.c i2c: Fix checks which cause legacy suspend to never get called i2c-pca: Fix waitforcompletion() return value i2c: Fix for suspend/resume issue i2c: Remove obsolete cleanup for clientdata
2010-10-07sysctl: fix min/max handling in __do_proc_doulongvec_minmax()Eric Dumazet
When proc_doulongvec_minmax() is used with an array of longs, and no min/max check requested (.extra1 or .extra2 being NULL), we dereference a NULL pointer for the second element of the array. Noticed while doing some changes in network stack for the "16TB problem" Fix is to not change min & max pointers in __do_proc_doulongvec_minmax(), so that all elements of the vector share an unique min/max limit, like proc_dointvec_minmax(). [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Americo Wang <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07MAINTAINERS: add Samsung S5P series FIMC maintainersKyungmin Park
Add Samsung S5P series FIMC(Camera Interface) maintainers. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07MAINTAINERS: Haavard has movedAndrew Morton
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07memcg: fix thresholds with use_hierarchy == 1Kirill A. Shutemov
We need to check parent's thresholds if parent has use_hierarchy == 1 to be sure that parent's threshold events will be triggered even if parent itself is not active (no MEM_CGROUP_EVENTS). Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07mm: alloc_large_system_hash() printk overflow on 16TB bootRobin Holt
During boot of a 16TB system, the following is printed: Dentry cache hash table entries: -2147483648 (order: 22, 17179869184 bytes) Signed-off-by: Robin Holt <holt@sgi.com> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07drm/i915: Wait for pending flips on the GPUChris Wilson
Currently, if a batch buffer refers to an object with a pending flip, then we sleep until that pending flip is completed (unpinned and signalled). This is so that a flip can be queued and the user can continue rendering to the backbuffer oblivious to whether the buffer is still pinned as the scan out. (The kernel arbitrating at the last moment to stall the batch and wait until the buffer is unpinned and replaced as the front buffer.) As we only have a queue depth of 1, we can simply wait for the current pending flip to complete and continue rendering. We can achieve this with a single WAIT_FOR_EVENT command inserted into the ring buffer prior to executing the batch, *without* stalling the client. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-07Revert "mac80211: use netif_receive_skb in ieee80211_tx_status callpath"John W. Linville
This reverts commit 5ed3bc7288487bd4f891f420a07319e0b538b4fe. It turns-out that not all drivers are calling ieee80211_tx_status from a compatible context. Revert this for now and try again later... Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-07ceph: update issue_seq on cap grantSage Weil
We need to update the issue_seq on any grant operation, be it via an MDS reply or a separate grant message. The update in the grant path was missing. This broke cap release for inodes in which the MDS sent an explicit grant message that was not soon after followed by a successful MDS reply on the same inode. Also fix the signedness on seq locals. Signed-off-by: Sage Weil <sage@newdream.net>