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2012-02-27Merge branch 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6 ↵Arnd Bergmann
into next/cleanup * 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6: (247 commits) ARM: Remove redundant ';' from avic_irq_set_priority() ARM: mx3: Let mx31 and mx35 share the same CCM header file ARM: plat-mxc: audmux-v1: Remove unneeded ifdef's Update to v3.3-rc3 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-02-27ARM: Remove redundant ';' from avic_irq_set_priority()Jesper Juhl
One semi-colon at the end of the return statement is sufficient. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-02-27ARM: mx3: Let mx31 and mx35 share the same CCM header fileFabio Estevam
Let mx31 and mx35 share the same CCM header file Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-02-27ARM: plat-mxc: audmux-v1: Remove unneeded ifdef'sFabio Estevam
As we are able to build a single kernel that can run on mx21 and mx27, there is no need for the ifdef's anymore inside audmux-v1.c. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-02-08Linux 3.3-rc3v3.3-rc3Linus Torvalds
2012-02-08Merge branch 'iommu/fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu One patch fixes an bug in the ARM/MSM IOMMU code which returned sucess in the unmap function even when an error occured and the other patch adds a workaround into the AMD IOMMU driver to better handle broken IVRS ACPI tables (this patch fixes the case when a device is not listed in the table but actually translated by the iommu). * 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/msm: Fix error handling in msm_iommu_unmap() iommu/amd: Work around broken IVRS tables
2012-02-08Merge branch '3.3-rc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending This series contains pending target bug-fixes and cleanups for v3.3-rc3 that have been addressed the past weeks in lio-core.git. Some of the highlights include: - Fix handling for control CDBs with data greater than PAGE_SIZE (andy) - Use IP_FREEBIND for iscsi-target to address network portal creation issues with systemd (dax) - Allow PERSISTENT RESERVE IN for non-reservation holder (marco) - Fix iblock se_dev_attrib.unmap_granularity (marco) - Fix unsupported WRITE_SAME sense payload handling (martin) - Add workaround for zero-length control CDB handling (nab) - Fix discovery with INADDR_ANY and IN6ADDR_ANY_INIT (nab) - Fix target_submit_cmd() exception handling (nab) - Return correct ASC for unimplemented VPD pages (roland) - Don't zero pages used for data buffers (roland) - Fix return code of core_tpg_.*_lun (sebastian) * '3.3-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (26 commits) target: Fix unsupported WRITE_SAME sense payload iscsi: use IP_FREEBIND socket option iblock: fix handling of large requests target: handle empty string writes in sysfs iscsi_target: in_aton needs linux/inet.h target: Fix iblock se_dev_attrib.unmap_granularity target: Fix target_submit_cmd() exception handling target: Change target_submit_cmd() to return void target: accept REQUEST_SENSE with 18bytes target: Fail INQUIRY commands with EVPD==0 but PAGE CODE!=0 target: Return correct ASC for unimplemented VPD pages iscsi-target: Fix discovery with INADDR_ANY and IN6ADDR_ANY_INIT target: Allow control CDBs with data > 1 page iscsi-target: Fix up a few assignments iscsi-target: make one-bit bitfields unsigned iscsi-target: Fix double list_add with iscsit_alloc_buffs reject iscsi-target: Fix reject release handling in iscsit_free_cmd() target: fix return code of core_tpg_.*_lun target: use save/restore lock primitive in core_dec_lacl_count() target: avoid multiple outputs in scsi_dump_inquiry() ...
2012-02-08Merge tag 'md-3.3-fixes' of git://neil.brown.name/mdLinus Torvalds
Some simple md-related fixes. 1/ two small fixes to ensure we handle an interrupted resync properly. 2/ avoid loading the bitmap multiple times in dm-raid * tag 'md-3.3-fixes' of git://neil.brown.name/md: md: two small fixes to handling interrupt resync. Prevent DM RAID from loading bitmap twice.
2012-02-08Merge tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
SPI bug fixes for v3.3-rc2 Minor SPI device driver changes. A rename of the pch_spi_pcidev symbol that merely eliminates a modpost warning, and a Kconfig change to allow the Samsung spi driver to build on EXYNOS. * tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6: spi-topcliff-pch: rename pch_spi_pcidev to pch_spi_pcidev_driver spi: Add spi-s3c64xx driver dependency on ARCH_EXYNOS4
2012-02-08Merge branch 'akpm' (Andrew's tree)Linus Torvalds
Five fixes * branch 'akpm': pcmcia: fix socket refcount decrementing on each resume mm: fix UP THP spin_is_locked BUGs drivers/leds/leds-lm3530.c: fix setting pltfm->als_vmax mm: compaction: check for overlapping nodes during isolation for migration nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments()
2012-02-08pcmcia: fix socket refcount decrementing on each resumeRussell King
This fixes a memory-corrupting bug: not only does it cause the warning, but as a result of dropping the refcount to zero, it causes the pcmcia_socket0 device structure to be freed while it still has references, causing slab caches corruption. A fatal oops quickly follows this warning - often even just a 'dmesg' following the warning causes the kernel to oops. While testing suspend/resume on an ARM device with PCMCIA support, and a CF card inserted, I found that after five suspend and resumes, the kernel would complain, and shortly die after with slab corruption. WARNING: at include/linux/kref.h:41 kobject_get+0x28/0x50() As the message doesn't give a clue about which kobject, and the built-in debugging in drivers/base/power/main.c happens too late, this was added right before each get_device(): printk("%s: %p [%s] %u\n", __func__, dev, kobject_name(&dev->kobj), atomic_read(&dev->kobj.kref.refcount)); and on the 3rd s2ram cycle, the following behaviour observed: On the 3rd suspend/resume cycle: dpm_prepare: c1a0d998 [pcmcia_socket0] 3 dpm_suspend: c1a0d998 [pcmcia_socket0] 3 dpm_suspend_noirq: c1a0d998 [pcmcia_socket0] 3 dpm_resume_noirq: c1a0d998 [pcmcia_socket0] 3 dpm_resume: c1a0d998 [pcmcia_socket0] 3 dpm_complete: c1a0d998 [pcmcia_socket0] 2 4th: dpm_prepare: c1a0d998 [pcmcia_socket0] 2 dpm_suspend: c1a0d998 [pcmcia_socket0] 2 dpm_suspend_noirq: c1a0d998 [pcmcia_socket0] 2 dpm_resume_noirq: c1a0d998 [pcmcia_socket0] 2 dpm_resume: c1a0d998 [pcmcia_socket0] 2 dpm_complete: c1a0d998 [pcmcia_socket0] 1 5th: dpm_prepare: c1a0d998 [pcmcia_socket0] 1 dpm_suspend: c1a0d998 [pcmcia_socket0] 1 dpm_suspend_noirq: c1a0d998 [pcmcia_socket0] 1 dpm_resume_noirq: c1a0d998 [pcmcia_socket0] 1 dpm_resume: c1a0d998 [pcmcia_socket0] 1 dpm_complete: c1a0d998 [pcmcia_socket0] 0 ------------[ cut here ]------------ WARNING: at include/linux/kref.h:41 kobject_get+0x28/0x50() Modules linked in: ucb1x00_core Backtrace: [<c0212090>] (dump_backtrace+0x0/0x110) from [<c04799dc>] (dump_stack+0x18/0x1c) [<c04799c4>] (dump_stack+0x0/0x1c) from [<c021cba0>] (warn_slowpath_common+0x50/0x68) [<c021cb50>] (warn_slowpath_common+0x0/0x68) from [<c021cbdc>] (warn_slowpath_null+0x24/0x28) [<c021cbb8>] (warn_slowpath_null+0x0/0x28) from [<c0335374>] (kobject_get+0x28/0x50) [<c033534c>] (kobject_get+0x0/0x50) from [<c03804f4>] (get_device+0x1c/0x24) [<c0388c90>] (dpm_complete+0x0/0x1a0) from [<c0389cc0>] (dpm_resume_end+0x1c/0x20) ... Looking at commit 7b24e7988263 ("pcmcia: split up central event handler"), the following change was made to cs.c: return 0; } #endif - - send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW); + if (!(skt->state & SOCKET_CARDBUS) && (skt->callback)) + skt->callback->early_resume(skt); return 0; } And the corresponding change in ds.c is from: -static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) -{ - struct pcmcia_socket *s = pcmcia_get_socket(skt); ... - switch (event) { ... - case CS_EVENT_PM_RESUME: - if (verify_cis_cache(skt) != 0) { - dev_dbg(&skt->dev, "cis mismatch - different card\n"); - /* first, remove the card */ - ds_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH); - mutex_lock(&s->ops_mutex); - destroy_cis_cache(skt); - kfree(skt->fake_cis); - skt->fake_cis = NULL; - s->functions = 0; - mutex_unlock(&s->ops_mutex); - /* now, add the new card */ - ds_event(skt, CS_EVENT_CARD_INSERTION, - CS_EVENT_PRI_LOW); - } - break; ... - } - pcmcia_put_socket(s); - return 0; -} /* ds_event */ to: +static int pcmcia_bus_early_resume(struct pcmcia_socket *skt) +{ + if (!verify_cis_cache(skt)) { + pcmcia_put_socket(skt); + return 0; + } + dev_dbg(&skt->dev, "cis mismatch - different card\n"); + /* first, remove the card */ + pcmcia_bus_remove(skt); + mutex_lock(&skt->ops_mutex); + destroy_cis_cache(skt); + kfree(skt->fake_cis); + skt->fake_cis = NULL; + skt->functions = 0; + mutex_unlock(&skt->ops_mutex); + /* now, add the new card */ + pcmcia_bus_add(skt); + return 0; +} As can be seen, the original function called pcmcia_get_socket() and pcmcia_put_socket() around the guts, whereas the replacement code calls pcmcia_put_socket() only in one path. This creates an imbalance in the refcounting. Testing with pcmcia_put_socket() put removed shows that the bug is gone: dpm_suspend: c1a10998 [pcmcia_socket0] 5 dpm_suspend_noirq: c1a10998 [pcmcia_socket0] 5 dpm_resume_noirq: c1a10998 [pcmcia_socket0] 5 dpm_resume: c1a10998 [pcmcia_socket0] 5 dpm_complete: c1a10998 [pcmcia_socket0] 5 Tested-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-08mm: fix UP THP spin_is_locked BUGsHugh Dickins
Fix CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_SMP=n CONFIG_DEBUG_VM=y CONFIG_DEBUG_SPINLOCK=n kernel: spin_is_locked() is then always false, and so triggers some BUGs in Transparent HugePage codepaths. asm-generic/bug.h mentions this problem, and provides a WARN_ON_SMP(x); but being too lazy to add VM_BUG_ON_SMP, BUG_ON_SMP, WARN_ON_SMP_ONCE, VM_WARN_ON_SMP_ONCE, just test NR_CPUS != 1 in the existing VM_BUG_ONs. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-08drivers/leds/leds-lm3530.c: fix setting pltfm->als_vmaxAxel Lin
In current code, pltfm->als_vmin is set to LM3530_ALS_WINDOW_mV and pltfm->als_vmax is 0. This does not make sense. I think what we want here is setting pltfm->als_vmax to LM3530_ALS_WINDOW_mV. Both als_vmin and als_vmax local variables will be set to pltfm->als_vmin and pltfm->als_vmax by a few lines latter. Thus also remove a redundant assignment for als_vmin and als_vmax in this patch. Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com> Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com> Tested-by: Milo(Woogyom) Kim <milo.kim@ti.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-08mm: compaction: check for overlapping nodes during isolation for migrationMel Gorman
When isolating pages for migration, migration starts at the start of a zone while the free scanner starts at the end of the zone. Migration avoids entering a new zone by never going beyond the free scanned. Unfortunately, in very rare cases nodes can overlap. When this happens, migration isolates pages without the LRU lock held, corrupting lists which will trigger errors in reclaim or during page free such as in the following oops BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [<ffffffff810f795c>] free_pcppages_bulk+0xcc/0x450 PGD 1dda554067 PUD 1e1cb58067 PMD 0 Oops: 0000 [#1] SMP CPU 37 Pid: 17088, comm: memcg_process_s Tainted: G X RIP: free_pcppages_bulk+0xcc/0x450 Process memcg_process_s (pid: 17088, threadinfo ffff881c2926e000, task ffff881c2926c0c0) Call Trace: free_hot_cold_page+0x17e/0x1f0 __pagevec_free+0x90/0xb0 release_pages+0x22a/0x260 pagevec_lru_move_fn+0xf3/0x110 putback_lru_page+0x66/0xe0 unmap_and_move+0x156/0x180 migrate_pages+0x9e/0x1b0 compact_zone+0x1f3/0x2f0 compact_zone_order+0xa2/0xe0 try_to_compact_pages+0xdf/0x110 __alloc_pages_direct_compact+0xee/0x1c0 __alloc_pages_slowpath+0x370/0x830 __alloc_pages_nodemask+0x1b1/0x1c0 alloc_pages_vma+0x9b/0x160 do_huge_pmd_anonymous_page+0x160/0x270 do_page_fault+0x207/0x4c0 page_fault+0x25/0x30 The "X" in the taint flag means that external modules were loaded but but is unrelated to the bug triggering. The real problem was because the PFN layout looks like this Zone PFN ranges: DMA 0x00000010 -> 0x00001000 DMA32 0x00001000 -> 0x00100000 Normal 0x00100000 -> 0x01e80000 Movable zone start PFN for each node early_node_map[14] active PFN ranges 0: 0x00000010 -> 0x0000009b 0: 0x00000100 -> 0x0007a1ec 0: 0x0007a354 -> 0x0007a379 0: 0x0007f7ff -> 0x0007f800 0: 0x00100000 -> 0x00680000 1: 0x00680000 -> 0x00e80000 0: 0x00e80000 -> 0x01080000 1: 0x01080000 -> 0x01280000 0: 0x01280000 -> 0x01480000 1: 0x01480000 -> 0x01680000 0: 0x01680000 -> 0x01880000 1: 0x01880000 -> 0x01a80000 0: 0x01a80000 -> 0x01c80000 1: 0x01c80000 -> 0x01e80000 The fix is straight-forward. isolate_migratepages() has to make a similar check to isolate_freepage to ensure that it never isolates pages from a zone it does not hold the LRU lock for. This was discovered in a 3.0-based kernel but it affects 3.1.x, 3.2.x and current mainline. Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Michal Nazarewicz <mina86@mina86.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-08nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments()Xi Wang
nsegs is read from userspace. Limit its value and avoid overflowing nsegs * sizeof(__u64) in the subsequent call to memdup_user(). This patch complements 481fe17e973fb9 ("nilfs2: potential integer overflow in nilfs_ioctl_clean_segments()"). Signed-off-by: Xi Wang <xi.wang@gmail.com> Cc: Haogang Chen <haogangchen@gmail.com> Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-08Merge tag 'sound-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound sound fixes #2 for 3.3-rc3 A collection of small fixes, mostly for regressions. In addition, a few ASoC wm8994 updates are included, too. * tag 'sound-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ASoC: wm8994: Disable line output discharge prior to ramping VMID ASoC: wm8994: Fix typo in VMID ramp setting ALSA: oxygen, virtuoso: fix exchanged L/R volumes of aux and CD inputs ALSA: usb-audio: add Edirol UM-3G support ALSA: hda - add support for Uniwill ECS M31EI notebook ALSA: hda - Fix error handling in patch_ca0132.c ASoC: wm8994: Enabling VMID should take a runtime PM reference ALSA: hda/realtek - Fix a wrong condition ALSA: emu8000: Remove duplicate linux/moduleparam.h include from emu8000_patch.c ALSA: hda/realtek - Add missing Bass and CLFE as vmaster slaves ASoC: wm_hubs: Correct line input to line output 2 paths ASoC: cs42l73: Fix Output [X|A|V]SP_SCLK Sourcing Mode setting for master mode ASoC: wm8962: Fix word length configuration ASoC: core: Better support for idle_bias_off suspend ignores ASoC: wm8994: Remove ASoC level register cache sync ASoC: wm_hubs: Fix routing of input PGAs to line output mixer
2012-02-08Merge tag 'asoc-3.3' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus A few small WM8994 updates to go on top of the previous lot of things that were sent. They collide with some -next work so I'd really like to get them into 3.3-rc3 if possible to merge back up into the -next code. All driver specific and unexciting in the grand scheme of things.
2012-02-08ASoC: wm8994: Disable line output discharge prior to ramping VMIDMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-02-08ASoC: wm8994: Fix typo in VMID ramp settingMark Brown
The VMID ramp rate is supposed to be 0x3, not 11b. Fix that. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@vger.kernel.org
2012-02-08ALSA: oxygen, virtuoso: fix exchanged L/R volumes of aux and CD inputsClemens Ladisch
The driver accidentally exchanged the left/right fields for stereo AC'97 mixer registers. This affected only the aux and CD inputs because the line input bypasses the AC'97 codec and the mic input is mono; cards without AC'97 (Xonar DS/DG/HDAV Slim, HG2PCI, HiFier) were not affected. Reported-and-tested-by: Abby Cedar <abbycedar@yahoo.com.au> Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: 2.6.31+ <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-02-08ALSA: usb-audio: add Edirol UM-3G supportClemens Ladisch
Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-02-07Merge tag 'fbdev-fixes-for-3.3-1' of git://github.com/schandinat/linux-2.6Linus Torvalds
fbdev fixes for 3.3 It includes: - compile fix for fsl-diu-fb - fix for a suspend/resume issue in atmel_lcdfb - fix for a suspend/resume issue in OMAP - workaround for a hardware bug to avoid physical damage in OMAP - really trivial dead code removal in intelfb * tag 'fbdev-fixes-for-3.3-1' of git://github.com/schandinat/linux-2.6: atmel_lcdfb: fix usage of CONTRAST_CTR in suspend/resume intelfb: remove some dead code drivers/video: compile fixes for fsl-diu-fb.c OMAPDSS: HDMI: PHY burnout fix OMAP: 4430SDP/Panda: add HDMI HPD gpio OMAP: 4430SDP/Panda: setup HDMI GPIO muxes OMAPDSS: remove wrong HDMI HPD muxing OMAP: 4430SDP/Panda: rename HPD GPIO to CT_CP_HPD OMAP: 4430SDP/Panda: use gpio_free_array to free HDMI gpios OMAPDSS: use sync versions of pm_runtime_put
2012-02-07checkpatch: Warn on code with 6+ tab indentationJoe Perches
Overly indented code should be refactored. Suggest refactoring excessive indentation of of if/else/for/do/while/switch statements. For example: $ cat t.c #include <stdio.h> #include <stdlib.h> int main(int argc, char **argv) { if (1) if (2) if (3) if (4) if (5) if (6) if (7) if (8) ; return 0; } $ ./scripts/checkpatch.pl -f t.c WARNING: Too many leading tabs - consider code refactoring #12: FILE: t.c:12: + if (6) WARNING: Too many leading tabs - consider code refactoring #13: FILE: t.c:13: + if (7) WARNING: Too many leading tabs - consider code refactoring #14: FILE: t.c:14: + if (8) total: 0 errors, 3 warnings, 17 lines checked t.c has style problems, please review. If any of these errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-07Merge branch 'at91-3.4-base+pm_cleanup' of ↵Olof Johansson
git://github.com/at91linux/linux-at91 into next/cleanup * 'at91-3.4-base+pm_cleanup' of git://github.com/at91linux/linux-at91: ARM: at91: implement the standby function for pm/cpuidle ARM: at91: remove wait_for_interrupt definition ARM: at91: declare header name ARM: at91: coding style fixes
2012-02-07Merge branch 'at91-3.4-base' of git://github.com/at91linux/linux-at91 into ↵Olof Johansson
next/cleanup * 'at91-3.4-base' of git://github.com/at91linux/linux-at91: ARM: at91: code removal of CAP9 SoC Conflicts: arch/arm/mach-at91/at91cap9.c
2012-02-07Merge tag 'v3.3-rc2' into depends/rmk/for-armsocOlof Johansson
There were conflicts between fixes going in after 3.3-rc1 and Russell's stable arm-soc base branch. Resolving it in the dependency branch so that each topic branch shares the same resolution. Conflicts: arch/arm/mach-at91/at91cap9.c arch/arm/mach-at91/at91sam9g45.c
2012-02-07Merge tag 'ib-srpt-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband Cleanups and error path fixes for the new SRP (SCSI RDMA protocol) target. * tag 'ib-srpt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/srpt: Don't return freed pointer from srpt_alloc_ioctx_ring() IB/srpt: Fix ERR_PTR() vs. NULL checking confusion IB/srpt: Remove unneeded <linux/version.h> include IB/srpt: Use ARRAY_SIZE() instead of open-coding IB/srpt: Use DEFINE_SPINLOCK()/LIST_HEAD()
2012-02-07Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds
arch: fix ioport mapping on mips,sh Kevin Cernekee reported that recent cleanup that replaced pci_iomap with a generic function failed to take into account the differences in io port handling on mips and sh architectures. Rather than revert the changes reintroducing the code duplication, this patchset fixes this by adding ability for architectures to override ioport mapping for pci devices. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: sh: use the the PCI channels's io_map_base mips: use the the PCI controller's io_map_base lib: add NO_GENERIC_PCI_IOPORT_MAP
2012-02-07ACPI: remove duplicated lines of merging problems with acpi_processor_addYinghai Lu
Those lines have two copies. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Thomas Renninger <trenn@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-07Merge git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
* git://git.samba.org/sfrench/cifs-2.6: cifs: Fix oops in session setup code for null user mounts [CIFS] Update cifs Kconfig title to match removal of experimental dependency cifs: fix printk format warnings cifs: check offset in decode_ntlmssp_challenge() cifs: NULL dereference on allocation failure
2012-02-07Merge branch 'upstream-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: wiimote: fix invalid power_supply_powers call HID: wacom: Fix invalid power_supply_powers calls HID: hyperv: Properly disconnect the input device HID: usbhid: fix dead lock between open and disconect
2012-02-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: mfd: Avoid twl6040-codec PLL reconfiguration when not needed mfd: Store twl6040-codec mclk configuration
2012-02-07ALSA: hda - add support for Uniwill ECS M31EI notebookJaroslav Kysela
This hardware requires same fixup for the node 0x0f like Asus A6Rp. More information: https://bugzilla.redhat.com/show_bug.cgi?id=785417 Signed-off-by: Jaroslav Kysela <perex@perex.cz> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-02-07HID: wiimote: fix invalid power_supply_powers callJiri Kosina
Analogically to d7cb3dbd1 ("HID: wacom: Fix invalid power_supply_powers calls"), fix also the same occurence in wiimote driver. Reported-by: przemo@firszt.eu Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-02-07ALSA: hda - Fix error handling in patch_ca0132.cTakashi Iwai
In patch_ca0132.c, the error returned from chipio_write() isn't checked always. Also, the power-up/down sequence isn't tracked properly in some error paths. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-02-07Merge tag 'asoc-3.3' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus The only particularly remarkable change here is the one for handling of the Android suspend ignore code for idle_bias_off CODECs. That one is actually a regression fix as some of the new power savings that have been introduced confused the suspend ignore code, making devices that are active for non-audio reasons look like they are idle causing them to be suspended instead of being kept active.
2012-02-07target: Fix unsupported WRITE_SAME sense payloadMartin Svec
This patch fixes a bug in target-core where unsupported WRITE_SAME ops from a target_check_write_same_discard() failure was incorrectly returning CHECK_CONDITION w/ TCM_INVALID_CDB_FIELD sense data. This was causing some clients to not properly fall back, so go ahead and use the correct TCM_UNSUPPORTED_SCSI_OPCODE sense for this case. Reported-by: Martin Svec <martin.svec@zoner.cz> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07iscsi: use IP_FREEBIND socket optionDax Kelson
Use IP_FREEBIND socket option so that iscsi portal configuration with explicit IP addresses can happen during boot, before network interfaces have been assigned IPs. This is especially important on systemd based Linux boxes where system boot happens asynchronously and non-trivial configuration must be done to get targetcli.service to start synchronously after the network is configured. Reference: http://lists.fedoraproject.org/pipermail/devel/2011-October/158025.html Signed-off-by: Dax Kelson <dkelson@gurulabs.com> Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org> Cc: "Andy Grover" <agrover@redhat.com> Cc: "Lennart Poettering" <lennart@poettering.net> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07iblock: fix handling of large requestsChristoph Hellwig
Requesting to many bvecs upsets bio_alloc_bioset, so limit the number we ask for to the amount it can handle. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07target: handle empty string writes in sysfsDan Carpenter
These are root only and we're not likely to hit the problem in practise, but it makes the static checkers happy. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07iscsi_target: in_aton needs linux/inet.hStephen Rothwell
Fixes this error after a recent nfs cleanup: drivers/target/iscsi/iscsi_target_configfs.c: In function 'lio_target_call_addnptotpg': drivers/target/iscsi/iscsi_target_configfs.c:214:3: error: implicit declaration of function 'in6_pton' [-Werror=implicit-function-declaration] drivers/target/iscsi/iscsi_target_configfs.c:239:3: error: implicit declaration of function 'in_aton' [-Werror=implicit-function-declaration] Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07target: Fix iblock se_dev_attrib.unmap_granularityMarco Sanvido
The block layer keeps q->limits.discard_granularity in bytes, but iblock (and the SCSI Block Limits VPD page) keep unmap_granularity in blocks. Report the correct value when exporting block devices by dividing to convert bytes to blocks. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07target: Fix target_submit_cmd() exception handlingNicholas Bellinger
This patch fixes a bug in target_submit_cmd() where the failure path for transport_generic_allocate_tasks() made a direct call to transport_send_check_condition_and_sense() and not calling the final target_put_sess_cmd() release callback. For transport_generic_allocate_tasks() failures, use the proper call to transport_generic_request_failure() to handle kref_put() along with potential internal queue full response processing. It also makes transport_lookup_cmd_lun() failures in target_submit_cmd() use transport_send_check_condition_and_sense() and target_put_sess_cmd() directly to avoid se_cmd->se_dev reference in transport_generic_request_failure() handling. Finally it drops the out_check_cond: label and use direct reference for allocate task failures, and per-se_device queue_full handling is currently not supported for transport_lookup_cmd_lun() failure descriptors due to se_device dependency. Reported-by: Roland Dreier <roland@purestorage.com> Cc: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07target: Change target_submit_cmd() to return voidAndy Grover
Retval not very useful, and may even be harmful. Once submitted, fabrics should expect a sense error if anything goes wrong. All fabrics checking of this retval are useless or broken: fc checks it just to emit more debug output. ib_srpt trickles retval up, then it is ignored. qla2xxx trickles it up, which then causes a bug because the abort goto in qla_target.c thinks cmd hasn't been sent to target. Just returning nothing is best. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07target: accept REQUEST_SENSE with 18bytesSebastian Andrzej Siewior
WindowsXP+BOT issues a MODE_SENSE request with page 0x1c which is not suppoerted by target. Target rejects that command with TCM_INVALID_CDB_FIELD, so far so good. On BOT I can't send the SENSE response back, instead I can only reply that an error occured. The next thing happens is a REQUEST_SENSE request with 18 bytes length. Since the check here is more than 18 bytes I have to NACK that request as well. This is not really required: We check for some additional room, but we never use it. The additional length is set to 0xa so the total length is 0xa + 8 = 18 which is fine with my 18 bytes. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-02-07md: two small fixes to handling interrupt resync.NeilBrown
1/ If a resync is aborted we should record how far we got (recovery_cp) the last request that we know has completed (->curr_resync_completed) rather than the last request that was submitted (->curr_resync). 2/ When a resync aborts we still want to update the metadata with any changes, so set MD_CHANGE_DEVS even if we 'skip'. Signed-off-by: NeilBrown <neilb@suse.de>
2012-02-06Documentation: update quilt tree location for Documentation patchesRandy Dunlap
Update quilt tree location for Documentation/ patches. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-06Documentation: add missing tainted bits to Documentation/sysctl/kernel.txtLarry Finger
Two of the bits in the tainted flag are not documented. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-06Merge branch 'kvm-updates/3.3' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Fixing a regression with the PMU MSRs when PMU virtualization is disabled, a guest-internal DoS with the SYSCALL instruction, and a dirty memory logging race that may cause live migration to fail. * 'kvm-updates/3.3' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: do not #GP on perf MSR writes when vPMU is disabled KVM: x86: fix missing checks in syscall emulation KVM: x86: extend "struct x86_emulate_ops" with "get_cpuid" KVM: Fix __set_bit() race in mark_page_dirty() during dirty logging
2012-02-06Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
GPIO fixes for v3.3-rc2 Straight forward bug fixes in this branch. A couple of x86 gpio drivers missing spinlock initialization, an API change fixup for the samsung driver and a name typo fix. * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: gpio: Add missing spin_lock_init in gpio-ml-ioh driver gpio: Add missing spin_lock_init in gpio-pch driver gpio: samsung: adapt to changes in gpio specifier translator function declaration Correct bad gpio naming
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