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2011-11-24ext4: fix racy use-after-free in ext4_end_io_dio()Tejun Heo
ext4_end_io_dio() queues io_end->work and then clears iocb->private; however, io_end->work calls aio_complete() which frees the iocb object. If that slab object gets reallocated, then ext4_end_io_dio() can end up clearing someone else's iocb->private, this use-after-free can cause a leak of a struct ext4_io_end_t structure. Detected and tested with slab poisoning. [ Note: Can also reproduce using 12 fio's against 12 file systems with the following configuration file: [global] direct=1 ioengine=libaio iodepth=1 bs=4k ba=4k size=128m [create] filename=${TESTDIR} rw=write -- tytso ] Google-Bug-Id: 5354697 Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reported-by: Kent Overstreet <koverstreet@google.com> Tested-by: Kent Overstreet <koverstreet@google.com> Cc: stable@kernel.org
2011-11-25powerpc/44x: Add mtd ndfc to the ppx44x defconfigTony Breeds
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Acked-by: Josh Boyer <jwboyer@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-25powerpc: Fix compiliation with hugetlbfs enabledKumar Gala
arch/powerpc/mm/hugetlbpage.c: In function 'reserve_hugetlb_gpages': arch/powerpc/mm/hugetlbpage.c:312:2: error: implicit declaration of function 'parse_args' Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-24cgroup_freezer: fix freezing groups with stopped tasksMichal Hocko
2d3cbf8b (cgroup_freezer: update_freezer_state() does incorrect state transitions) removed is_task_frozen_enough and replaced it with a simple frozen call. This, however, breaks freezing for a group with stopped tasks because those cannot be frozen and so the group remains in CGROUP_FREEZING state (update_if_frozen doesn't count stopped tasks) and never reaches CGROUP_FROZEN. Let's add is_task_frozen_enough back and use it at the original locations (update_if_frozen and try_to_freeze_cgroup). Semantically we consider stopped tasks as frozen enough so we should consider both cases when testing frozen tasks. Testcase: mkdir /dev/freezer mount -t cgroup -o freezer none /dev/freezer mkdir /dev/freezer/foo sleep 1h & pid=$! kill -STOP $pid echo $pid > /dev/freezer/foo/tasks echo FROZEN > /dev/freezer/foo/freezer.state while true do cat /dev/freezer/foo/freezer.state [ "`cat /dev/freezer/foo/freezer.state`" = "FROZEN" ] && break sleep 1 done echo OK Signed-off-by: Michal Hocko <mhocko@suse.cz> Acked-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Tomasz Buchert <tomasz.buchert@inria.fr> Cc: Paul Menage <paul@paulmenage.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: stable@kernel.org Signed-off-by: Tejun Heo <htejun@gmail.com>
2011-11-24Merge branch 'fixes-dss' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
2011-11-24Merge branch 'fixes' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
2011-11-24Merge branch 'at91/defconfig' into fixesArnd Bergmann
2011-11-24ARM: at91: enable additional boards in existing soc defconfig filesJean-Christophe PLAGNIOL-VILLARD
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-11-24ARM: at91: refresh soc defconfig files for 3.2Jean-Christophe PLAGNIOL-VILLARD
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-11-24ARM: at91: rename defconfig files appropriatelyJean-Christophe PLAGNIOL-VILLARD
rename all Atmel reference board as soc defconfig Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-11-24Merge branch 'mxs/for-arnd' of ↵Arnd Bergmann
git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
2011-11-24arch/powerpc/sysdev/ehv_pic.c: add missing kfreeJulia Lawall
At this point, ehv_pic has been allocated but not stored anywhere, so it should be freed before leaving the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @exists@ local idexpression x; statement S,S1; expression E; identifier fl; expression *ptr != NULL; @@ x = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...kfree(x)...+> } when any when != true x == NULL x->fl ...> ( if (x == NULL) S1 | if (...) { ... when != x when forall ( return \(0\|<+...x...+>\|ptr\); | * return ...; ) } ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-11-24powerpc/fsl-lbc: Fix for fsl_upmAlexandre Rusev
If Freescale LBC driver fails to initialise itself from device tree, then internal structure is freed only but not NULL-fied. As result functions fsl_lbc_find() after checking the structure is not NULL are trying to access device registers. Signed-off-by: Alexandre Rusev <arusev@dev.rtsoft.ru> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-11-24drivers/edac/mpc85xx_edac.c: fix memory controller compatible for edacShaohui Xie
compatible in dts has been changed, so the driver needs to be updated accordingly. Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-11-24powerpc/qe: Fixup QE_General4 errataJoakim Tjernlund
QE_General4 should only round up the divisor iff divisor is > 3. Rounding up lower divisors makes the error too big, causing USB on MPC832x to fail. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Acked-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-11-24slub: avoid potential NULL dereference or corruptionEric Dumazet
show_slab_objects() can trigger NULL dereferences or memory corruption. Another cpu can change its c->page to NULL or c->node to NUMA_NO_NODE while we use them. Use ACCESS_ONCE(c->page) and ACCESS_ONCE(c->node) to make sure this cannot happen. Acked-by: Christoph Lameter <cl@linux.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2011-11-24slub: use irqsafe_cpu_cmpxchg for put_cpu_partialChristoph Lameter
The cmpxchg must be irq safe. The fallback for this_cpu_cmpxchg only disables preemption which results in per cpu partial page operation potentially failing on non x86 platforms. This patch fixes the following problem reported by Christian Kujau: I seem to hit it with heavy disk & cpu IO is in progress on this PowerBook G4. Full dmesg & .config: http://nerdbynature.de/bits/3.2.0-rc1/oops/ I've enabled some debug options and now it really points to slub.c:2166 http://nerdbynature.de/bits/3.2.0-rc1/oops/oops4m.jpg With debug options enabled I'm currently in the xmon debugger, not sure what to make of it yet, I'll try to get something useful out of it :) Reported-by: Christian Kujau <lists@nerdbynature.de> Tested-by: Christian Kujau <lists@nerdbynature.de> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2011-11-23powerpc/85xx: Fix compile error on p3060_qds.cKumar Gala
arch/powerpc/platforms/85xx/p3060_qds.c: In function '__machine_initcall_p3060_qds_declare_of_platform_devices': arch/powerpc/platforms/85xx/p3060_qds.c:73:1: error: implicit declaration of function 'declare_of_platform_devices' declare_of_platform_devices should have been corenet_ds_publish_devices. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-11-23powerpc/p3060qds: Fix select of 'MPC8xxx_GPIO'Paul Bolle
The driver for the Freescale P3060 QDS got added by commit 96cc017c5b ("[...] Add support for P3060QDS board"). Its Kconfig entry selects MPC8xxx_GPIO. But at the time that driver got added MPC8xxx_GPIO was already renamed to GPIO_MPC8XXX, by commit c68308dd50c ("gpio: move mpc8xxx/512x gpio driver to drivers/gpio"). So make this driver select GPIO_MPC8XXX. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-11-23powerpc/p1023: set IRQ[4:6,11] to active-high level sensitive for PCIeRoy Zang
P1023 external IRQ[4:6, 11] are not pin out, but the interrupts are utilized by the PCIe controllers. As they are not exposed as pins we need to set them as active-high (internal to the SoC these interrupts are pulled down). IRQs[0:3,7:10] are pulled up on the board so we have them set as active-low. Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-11-23Linux 3.2-rc3v3.2-rc3Linus Torvalds
2011-11-23Merge git://github.com/rustyrussell/linuxLinus Torvalds
* git://github.com/rustyrussell/linux: virtio-pci: make reset operation safer virtio-mmio: Correct the name of the guest features selector virtio: add HAS_IOMEM dependency to MMIO platform bus driver
2011-11-24virtio-pci: make reset operation saferMichael S. Tsirkin
virtio pci device reset actually just does an I/O write, which in PCI is really posted, that is it can complete on CPU before the device has received it. Further, interrupts might have been pending on another CPU, so device callback might get invoked after reset. This conflicts with how drivers use reset, which is typically: reset unregister a callback running after reset completed can race with unregister, potentially leading to use after free bugs. Fix by flushing out the write, and flushing pending interrupts. This assumes that device is never reset from its vq/config callbacks, or in parallel with being added/removed, document this assumption. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-11-24virtio-mmio: Correct the name of the guest features selectorSasha Levin
Guest features selector spelling mistake. Cc: Pawel Moll <pawel.moll@arm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: virtualization@lists.linux-foundation.org Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-11-24virtio: add HAS_IOMEM dependency to MMIO platform bus driverHeiko Carstens
Fix this compile error on s390: CC [M] drivers/virtio/virtio_mmio.o drivers/virtio/virtio_mmio.c: In function 'vm_get_features': drivers/virtio/virtio_mmio.c:107:2: error: implicit declaration of function 'writel' Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Pawel Moll <pawel.moll@arm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-11-23Merge branch 'upstream-linus' of git://github.com/jgarzik/libata-devLinus Torvalds
* 'upstream-linus' of git://github.com/jgarzik/libata-dev: libata: fix build without BMDMA [libata] ahci_platform: fix DT probing
2011-11-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: PCI hotplug: shpchp: don't blindly claim non-AMD 0x7450 device IDs PCI: pciehp: wait 100 ms after Link Training check PCI: pciehp: wait 1000 ms before Link Training check PCI: pciehp: Retrieve link speed after link is trained PCI: Let PCI_PRI depend on PCI PCI: Fix compile errors with PCI_ATS and !PCI_IOV PCI / ACPI: Make acpiphp ignore root bridges using PCIe native hotplug
2011-11-23Merge branch 'hwmod_dss_fixes_3.2rc' of git://git.pwsan.com/linux-2.6 into ↵Tony Lindgren
fixes-dss
2011-11-23Merge branch 'fixes-v3.2-rc2' into fixesTony Lindgren
2011-11-23ARM: OMAP2+: Fix Compilation error when omap_l3_noc built as moduleGovindraj.R
Fix below compilation failure on mainline kernel 3.2-rc1 when omap_l3_noc.c is built as module. arch/arm/mach-omap2/omap_l3_noc.c:240: error: expected ',' or ';' before 'MODULE_DEVICE_TABLE' Signed-off-by: Govindraj.R <govindraj.raja@ti.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-11-23ARM: OMAP2+: Remove empty io.hThomas Weber
The file arch/arm/mach-omap2/io.h is empty, so we can remove it. Signed-off-by: Thomas Weber <weber@corscience.de> Acked-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-11-23ARM: OMAP2: select ARM_AMBA if OMAP3_EMU is definedMing Lei
This patch selects ARM_AMBA if OMAP3_EMU is defined because OC_ETM depends on ARM_AMBA, so fix the link failure[1]. [1], arch/arm/kernel/built-in.o: In function `etm_remove': /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:609: undefined reference to `amba_release_regions' arch/arm/kernel/built-in.o: In function `etb_remove': /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:409: undefined reference to `amba_release_regions' arch/arm/kernel/built-in.o: In function `etm_init': /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:640: undefined reference to `amba_driver_register' /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:646: undefined reference to `amba_driver_register' /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:648: undefined reference to `amba_driver_unregister' arch/arm/kernel/built-in.o: In function `etm_probe': /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:545: undefined reference to `amba_request_regions' /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:595: undefined reference to `amba_release_regions' arch/arm/kernel/built-in.o: In function `etb_probe': /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:347: undefined reference to `amba_request_regions' /home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:392: undefined reference to `amba_release_regions' arch/arm/mach-omap2/built-in.o: In function `emu_init': /home/tom/git/omap/linux-2.6-omap/arch/arm/mach-omap2/emu.c:62: undefined reference to `amba_device_register' /home/tom/git/omap/linux-2.6-omap/arch/arm/mach-omap2/emu.c:63: undefined reference to `amba_device_register' make: *** [.tmp_vmlinux1] Error 1 making modules Signed-off-by: Ming Lei <tom.leiming@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-11-23ARM: OMAP: smartreflex: fix IRQ handling bugFelipe Balbi
Fix a bug which has been on this driver since it was added by the original commit 984aa6db which would never clear IRQSTATUS bits. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com> Cc: stable@vger.kernel.org Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-11-23ARM: OMAP: PM: only register TWL with voltage layer when device is presentKevin Hilman
Current code registers voltage layer details for TWL PMIC even when a TWL has not been registered. Fix this to only register the TWL with voltage layer when the TWL PMIC is initialized by board-level code. Signed-off-by: Kevin Hilman <khilman@ti.com> Cc: stable@vger.kernel.org Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-11-23ARM: OMAP: hwmod: Fix the addr space, irq, dma count APIssricharan
The address spaces, irqs and dma reqs count APIs return the number of corresponding entries in a hwmod including a additional null value or a -1 terminator in the structure introduced recently. More information here: - 212738a4: omap_hwmod: use a terminator record with omap_hwmod_mpu_irqs arrays - 78183f3f: omap_hwmod: use a null structure record to terminate omap_hwmod_addr_space arrays - bc614958: omap_hwmod: use a terminator record with omap_hwmod_dma_info arrays The issue with irqs and dma info was originally reported by Benoit Cousson. The devices which have multiple hwmods and use device_build_ss are broken with this, as their resources are populated with a extra null value, subsequently the probe fails. So fix the API not to include the array terminator in the count. Reported-by: Benoit Cousson <b-cousson@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimar@ti.com> Signed-off-by: sricharan <r.sricharan@ti.com> Signed-off-by: Benoit Cousson <b-cousson@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: stable@vger.kernel.org Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-11-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: eCryptfs: Extend array bounds for all filename chars eCryptfs: Flush file in vma close eCryptfs: Prevent file create race condition
2011-11-23eCryptfs: Extend array bounds for all filename charsTyler Hicks
From mhalcrow's original commit message: Characters with ASCII values greater than the size of filename_rev_map[] are valid filename characters. ecryptfs_decode_from_filename() will access kernel memory beyond that array, and ecryptfs_parse_tag_70_packet() will then decrypt those characters. The attacker, using the FNEK of the crafted file, can then re-encrypt the characters to reveal the kernel memory past the end of the filename_rev_map[] array. I expect low security impact since this array is statically allocated in the text area, and the amount of memory past the array that is accessible is limited by the largest possible ASCII filename character. This patch solves the issue reported by mhalcrow but with an implementation suggested by Linus to simply extend the length of filename_rev_map[] to 256. Characters greater than 0x7A are mapped to 0x00, which is how invalid characters less than 0x7A were previously being handled. Signed-off-by: Tyler Hicks <tyhicks@canonical.com> Reported-by: Michael Halcrow <mhalcrow@google.com> Cc: stable@kernel.org
2011-11-23eCryptfs: Flush file in vma closeTyler Hicks
Dirty pages weren't being written back when an mmap'ed eCryptfs file was closed before the mapping was unmapped. Since f_ops->flush() is not called by the munmap() path, the lower file was simply being released. This patch flushes the eCryptfs file in the vm_ops->close() path. https://launchpad.net/bugs/870326 Signed-off-by: Tyler Hicks <tyhicks@canonical.com> Cc: stable@kernel.org [2.6.39+]
2011-11-23eCryptfs: Prevent file create race conditionTyler Hicks
The file creation path prematurely called d_instantiate() and unlock_new_inode() before the eCryptfs inode info was fully allocated and initialized and before the eCryptfs metadata was written to the lower file. This could result in race conditions in subsequent file and inode operations leading to unexpected error conditions or a null pointer dereference while attempting to use the unallocated memory. https://launchpad.net/bugs/813146 Signed-off-by: Tyler Hicks <tyhicks@canonical.com> Cc: stable@kernel.org
2011-11-23Merge branch 'fix' of git://github.com/ycmiao/pxa-linux into fixesArnd Bergmann
2011-11-23Merge branch 'imx-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 ↵Arnd Bergmann
into fixes
2011-11-23Merge branch 'samsung-fixes' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
2011-11-23Merge branch 'for-arnd' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into fixes
2011-11-23PM / Hibernate: Do not leak memory in error/test code pathsRafael J. Wysocki
The hibernation core code forgets to release memory preallocated for hibernation if there's an error in its early stages or if test modes causing hibernation_snapshot() to return early are used. This causes the system to be hardly usable, because the amount of preallocated memory is usually huge. Fix this problem. Reported-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
2011-11-23Merge branch 'imx6q/fixes' of git://git.linaro.org/people/shawnguo/linux-2.6 ↵Arnd Bergmann
into fixes
2011-11-23arm: mx28: fix bit operation in clock settingWolfram Sang
reg | (1 << clk->enable_shift) always evaluates to true. Switch it to & which makes much more sense. Same fix as 13be9f00 (ARM i.MX28: fix bit operation) at a different location. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: stable@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-11-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Check parent options for iterated tests
2011-11-23Merge 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: i2c: Make i2cdev_notifier_call static i2c: Delete ANY_I2C_BUS i2c: Fix device name for 10-bit slave address i2c-algo-bit: Generate correct i2c address sequence for 10-bit target
2011-11-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: TPS65910: Fix VDD1/2 voltage selector count
2011-11-23Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (31 commits) drm: integer overflow in drm_mode_dirtyfb_ioctl() drivers/gpu/vga/vgaarb.c: add missing kfree drm/radeon/kms/atom: unify i2c gpio table handling drm/radeon/kms: fix up gpio i2c mask bits for r4xx for real ttm: Don't return the bo reserved on error path drm/radeon/kms: add a CS ioctl flag not to rewrite tiling flags in the CS drm/i915: Fix inconsistent backlight level during disabled drm, i915: Fix memory leak in i915_gem_busy_ioctl(). drm/i915: Use DPCD value for max DP lanes. drm/i915: Initiate DP link training only on the lanes we'll be using drm/i915: Remove trailing white space drm/i915: Try harder during dp pattern 1 link training drm/i915: Make DP prepare/commit consistent with DP dpms drm/i915: Let panel power sequencing hardware do its job drm/i915: Treat PCH eDP like DP in most places drm/i915: Remove link_status field from intel_dp structure drm/i915: Move common PCH_PP_CONTROL setup to ironlake_get_pp_control drm/i915: Module parameters using '-1' as default must be signed type drm/i915: Turn on another required clock gating bit on gen6. drm/i915: Turn on a required 3D clock gating bit on Sandybridge. ...
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