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2012-11-07GFS2: Fix possible null pointer deref in gfs2_rs_allocAndrew Price
Despite the return value from kmem_cache_zalloc() being checked, the error wasn't being returned until after a possible null pointer dereference. This patch returns the error immediately, allowing the removal of the error variable. Signed-off-by: Andrew Price <anprice@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-11-07GFS2: Fix an unchecked error from gfs2_rs_allocAndrew Price
Check the return value of gfs2_rs_alloc(ip) and avoid a possible null pointer dereference. Signed-off-by: Andrew Price <anprice@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-11-07iwlwifi: use ieee80211_free_txskbJohannes Berg
To let mac80211 clean up any TX information when a frame is dropped, use ieee80211_free_txskb(). Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-07ARM: shmobile: r8a7779: add USB OHCI clock supportKuninori Morimoto
ohci-platform driver require these clocks Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-07ARM: shmobile: r8a7779: add USB EHCI clock supportKuninori Morimoto
ehci-platform driver require these clocks Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-07ARM: shmobile: r8a7740: add USB24 clock explainKuninori Morimoto
USBCKCR is controlling USB parent clock and divide rate. This parent clock is used as a "usb24s" from other devices, but the "divide rate" is not used. Further, this clock itself is known as "usb24". So, to set this clock is a little confusable. This patch adds quick explain and sample settings for this clock. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-07ARM: shmobile: r8a7779: PFC rename PENCx -> USB_PENCxKuninori Morimoto
PENCx is Power Enable Control pin for USB. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-07Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "A single radeon typo fix for a regressions and two fixes for a regression in the open helper address space stuff." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: fix typo in evergreen_mc_resume() drm: set dev_mapping before calling drm_open_helper drm: restore open_count if drm_setup fails
2012-11-07Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds
Pull arm fixes from Russell King: "Not much here again. The two most notable things here are the sched_clock() fix, which was causing problems with the scheduling of threaded IRQs after a suspend event, and the vfp fix, which afaik has only been seen on some older OMAP boards. Nevertheless, both are fairly important fixes." * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: 7569/1: mm: uninitialized warning corrections ARM: 7567/1: io: avoid GCC's offsettable addressing modes for halfword accesses ARM: 7566/1: vfp: fix save and restore when running on pre-VFPv3 and CONFIG_VFPv3 set ARM: 7565/1: sched: stop sched_clock() during suspend
2012-11-07drm/radeon: fix typo in evergreen_mc_resume()Alex Deucher
Add missing index that may have led us to enabling more crtcs than necessary. May also fix: https://bugs.freedesktop.org/show_bug.cgi?id=56139 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-07drm: set dev_mapping before calling drm_open_helperIlija Hadzic
Some drivers (specifically vmwgfx) look at dev_mapping in their open hook, so we have to set dev->dev_mapping earlier in the process. Reference: http://lists.freedesktop.org/archives/dri-devel/2012-October/029420.html Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reported-by: Thomas Hellstrom <thellstrom@vmware.com> Cc: stable@vger.kernel.org Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-07drm: restore open_count if drm_setup failsIlija Hadzic
If drm_setup (called at first open) fails, the whole open call has failed, so we should not keep the open_count incremented. Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Cc: stable@vger.kernel.org Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-06sparc: Allow OF_GPIO on sparc.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-06ARM: smp_twd: fix build warningArnd Bergmann
0336517b38c "ARM: smp_twd: don't warn on no DT node" introduced a silly build warning by returning an error from a void function. This keeps the intention of that patch but fixes the warning by removing the error code Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-11-06s390/cio: fix length calculation in idset.cSebastian Ott
bitmap_or uses the number of bits as its length parameter and not the number of words necessary to store those bits. This fixes a regression introduced by: aa92b33 s390/cio: use generic bitmap functions Reported-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-11-06s390/sclp: fix addressing mode clobberHeiko Carstens
The early mini sclp driver may be called in zArch mode either in 31 or 64 bit addressing mode. If called in 31 bit addressing mode the new external interrupt psw however would switch to 64 bit addressing mode. This would cause an addressing exception within the interrupt handler, since the code didn't expect the zArch/31 bit addressing mode combination. Fix this by setting the new psw addressing mode bits so they fit the current addressing mode. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-11-06s390: Move css limits from drivers/s390/cio/ to include/asm/.Cornelia Huck
There's no need to keep __MAX_SUBCHANNEL and __MAX_SSID private to the common I/O layer when __MAX_CSSID is usable by everybody. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-11-06device_cgroup: fix RCU usageTejun Heo
dev_cgroup->exceptions is protected with devcgroup_mutex for writes and RCU for reads; however, RCU usage isn't correct. * dev_exception_clean() doesn't use RCU variant of list_del() and kfree(). The function can race with may_access() and may_access() may end up dereferencing already freed memory. Use list_del_rcu() and kfree_rcu() instead. * may_access() may be called only with RCU read locked but doesn't use RCU safe traversal over ->exceptions. Use list_for_each_entry_rcu(). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com> Cc: stable@vger.kernel.org Cc: Aristeu Rozanski <aris@redhat.com> Cc: Li Zefan <lizefan@huawei.com>
2012-11-06ARM: highbank: add ifdef guards to core.hOlof Johansson
Fixes build error due to multiple includes: In file included from arch/arm/mach-highbank/sysregs.h:23:0, from arch/arm/mach-highbank/system.c:20: arch/arm/mach-highbank/core.h:8:91: error: redefinition of 'highbank_lluart_map_io' In file included from arch/arm/mach-highbank/system.c:19:0: arch/arm/mach-highbank/core.h:8:91: note: previous definition of 'highbank_lluart_map_io' was here Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-06Merge tag 'omap-fixes-b2-for-3.7-rc' of ↵Tony Lindgren
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.7-rc4/fixes
2012-11-06Merge tag 'for_3.7-rc5-fixes-pm' of ↵Tony Lindgren
git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-v3.7-rc4/fixes
2012-11-06Merge tag 'integrator-irq' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/soc From Linus Walleij: This provides the following Integrator refactorings: - Switch the FPGA IRQ controller to use the simple IRQ domain - Get rid of preallocated IRQ descriptors on the Integrator - Move the FPGA IRQ driver to drivers/irqchip * tag 'integrator-irq' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator: ARM: plat-versatile: move FPGA irq driver to drivers/irqchip ARM: integrator: get rid of preallocated irq descriptors ARM: plat-versatile: use simple irqdomain for FPGA IRQ
2012-11-06irqchip: irq-bcm2835: Add terminating entry for of_device_id tableAxel Lin
The of_device_id table is supposed to be zero-terminated. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-06Merge branch 'for-3.7/fixes-for-rc4' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into fixes From Stephen Warren: * 'for-3.7/fixes-for-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: ARM: dt: tegra: fix length of pad control and mux registers
2012-11-06device_cgroup: fix unchecked cgroup parent usageAristeu Rozanski
In 4cef7299b478687 ("device_cgroup: add proper checking when changing default behavior") the cgroup parent usage is unchecked. root will not have a parent and trying to use device.{allow,deny} will cause problems. For some reason my stressing scripts didn't test the root directory so I didn't catch it on my regular tests. Signed-off-by: Aristeu Rozanski <aris@redhat.com> Cc: Li Zefan <lizefan@huawei.com> Cc: James Morris <jmorris@namei.org> Cc: Pavel Emelyanov <xemul@openvz.org> Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Tejun Heo <tj@kernel.org>
2012-11-06ARM: highbank: retry wfi on reset requestRob Herring
In some cases, an interrupt can occur and prevent cause failure to enter wfi. This causes reset to hang. Retrying the wfi should be enough to prevent reset from hanging. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-06Merge tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux into ↵Olof Johansson
next/soc Support for Calxeda ECX-2000 SOC from Rob Herring * tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux: ARM: highbank: Add initial ECX-2000 support ARM: highbank: abstract out SCU usage ARM: smp_twd: don't warn on no DT node ARM: dts: Add Calxeda ECX-2000 support ARM: highbank: enable coherent DMA for xgmac in dts ARM: highbank: disable unused sdhci and gpio in dts + sync to Linux 3.7-rc3
2012-11-06Merge branch 'soc' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc From Simon Horman: * 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: r8a7740: Enable PMU ARM: mach-shmobile: add FLCTL DMA slave definitions for sh7372 ARM: shmobile: r8a7779: add I2C driver support ARM: shmobile: r8a7779: add I2C clock support ARM: shmobile: r8a7779: add HSPI clock support ARM: shmobile: r8a7740: fixup DT machine desc name typo ARM: shmobile: r8a7779: Replace modify_scu_cpu_psr with scu_power_mode ARM: shmobile: sh73a0: Replace modify_scu_cpu_psr with scu_power_mode ARM: shmobile: emev2: Replace modify_scu_cpu_psr with scu_power_mode ARM: shmobile: Remove SH7377 support ARM: shmobile: Remove SH7367 support
2012-11-06Merge branch 'upload/fix' of git://github.com/hzhuang1/linux into fixesOlof Johansson
From Haojian Zhuang: * 'upload/fix' of git://github.com/hzhuang1/linux: ARM: pxa/spitz_pm: Fix hang when resuming from STR ARM: pxa: hx4700: Fix backlight PWM device number
2012-11-06drm/i915/crt: fix DPMS standby and suspend mode handlingJani Nikula
PCH platforms and VLV should map DPMS standby and suspend modes to off, but due to a buggy reversed comparison this is done on pre-PCH platforms instead. Reported-by: Loïc Yhuel <loic.yhuel@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56754 Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-11-06pinctrl: samsung and exynos need to depend on OF && GPIOLIBAxel Lin
This patch fixes below build error when !CONFIG_OF_GPIO. CC drivers/pinctrl/pinctrl-samsung.o drivers/pinctrl/pinctrl-samsung.c: In function 'samsung_pinctrl_parse_dt_pins': drivers/pinctrl/pinctrl-samsung.c:557:19: warning: unused variable 'prop' [-Wunused-variable] drivers/pinctrl/pinctrl-samsung.c: In function 'samsung_gpiolib_register': drivers/pinctrl/pinctrl-samsung.c:797:5: error: 'struct gpio_chip' has no member named 'of_node' make[2]: *** [drivers/pinctrl/pinctrl-samsung.o] Error 1 make[1]: *** [drivers/pinctrl] Error 2 make: *** [drivers] Error 2 The samsung pinctrl driver supports only device tree enabled platforms. Thus make PINCTRL_SAMSUNG depend on OF && GPIOLIB. The reason to depend on GPIOLIB is CONFIG_OF_GPIO only available when GPIOLIB is selected. Since PINCTRL_EXYNOS4 select PINCTRL_SAMSUNG, thus also make PINCTRL_EXYNOS4 depend on OF && GPIOLIB. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-06ASoC: wm8978: pll incorrectly configured when codec is masterEric Millbrandt
When MCLK is supplied externally and BCLK and LRC are configured as outputs (codec is master), the PLL values are only calculated correctly on the first transmission. On subsequent transmissions, at differenct sample rates, the wrong PLL values are used. Test for f_opclk instead of f_pllout to determine if the PLL values are needed. Signed-off-by: Eric Millbrandt <emillbrandt@dekaresearch.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@vger.kernel.org
2012-11-06ARM: shmobile: r8a7740: Enable PMUNobuhiro Iwamatsu
This patch enables PMU for r8a7740. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> [horms@verge.net.au: corrected indentation] Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: mach-shmobile: add FLCTL DMA slave definitions for sh7372Bastian Hecht
SH7372 can use DMA with the FLCTL flash controller. Add required slave IDs and slave descriptors. Signed-off-by: Bastian Hecht <hechtb@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: r8a7779: add I2C driver supportKuninori Morimoto
This patch enable R-Car I2C driver Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: r8a7779: add I2C clock supportKuninori Morimoto
This patch is required from R-Car I2C driver Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: r8a7779: add HSPI clock supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: r8a7740: fixup DT machine desc name typoKuninori Morimoto
r8a7740 machine desc name should be R8A7740, not SH7372 Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: r8a7779: Replace modify_scu_cpu_psr with scu_power_modeBastian Hecht
We can remove the extra code of modify_scu_cpu_psr() and use the cleaner generic ARM helper scu_power_mode(). As every CPU only deals with its own power register and scu_power_mode() operates with 8-bit accesses, we save the locking overhead too. Signed-off-by: Bastian Hecht <hechtb@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: sh73a0: Replace modify_scu_cpu_psr with scu_power_modeBastian Hecht
We can remove the extra code of modify_scu_cpu_psr() and use the cleaner generic ARM helper scu_power_mode(). As every CPU only deals with its own power register and scu_power_mode() operates with 8-bit accesses, we save the locking overhead too. Signed-off-by: Bastian Hecht <hechtb@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: emev2: Replace modify_scu_cpu_psr with scu_power_modeBastian Hecht
We can remove the extra code of modify_scu_cpu_psr() and use the cleaner generic ARM helper scu_power_mode(). As every CPU only deals with its own power register and scu_power_mode() operates with 8-bit accesses, we save the locking overhead too. Signed-off-by: Bastian Hecht <hechtb@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: Remove SH7377 supportNobuhiro Iwamatsu
This is old CPU of shmobile, and the machine by which this CPU is used cannot be obtained. Therefore, remove SH7377 support. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06ARM: shmobile: Remove SH7367 supportNobuhiro Iwamatsu
This is old CPU of shmobile, and the machine by which this CPU is used cannot be obtained. Therefore, remove SH7367 support. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2012-11-06modules: don't break modules_install on external modules with no key.Rusty Russell
The script still spits out an error ("Can't read private key") but we don't break modules_install. Reported-by: Bruno Wolff III <bruno@wolff.to> Original-patch-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-11-05ARM: OMAP4: PM: fix regulator name for VDD_MPUKevin Hilman
commit 24d7b40a (ARM: OMAP2+: PM: MPU DVFS: use generic CPU device for MPU-SS) updated the regulator name used for the MPU regulator, but only updated OMAP3, not OMAP4. Fix the OMAP4 name as well, otherwise CPUfreq fails to find the MPU regulator. Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-11-05PCI/portdrv: Don't create hotplug slots unless port supports hotplugTaku Izumi
Commit 2dcfaf85 mistakenly dropped the "flags & PCI_EXP_FLAGS_SLOT" test, so now we create hotplug slots even for PCIe port devices that don't support hotplug. This patch fixes this problem. [bhelgaas: changelog] Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Yinghai Lu <yinghai@kernel.org> Reviewed-by: Jiang Liu <jiang.liu@huawei.com>
2012-11-05Merge branch 'pci/huang-d3cold-fixes' into for-linusBjorn Helgaas
* pci/huang-d3cold-fixes: PCI/PM: Fix proc config reg access for D3cold and bridge suspending PCI/PM: Resume device before shutdown PCI/PM: Fix deadlock when unbinding device if parent in D3cold
2012-11-05hwmon: Fix chip feature table headersJean Delvare
These got broken by recent patches fixing checkpatch warnings in these drivers. The trick is that the patches themselves looked good, but the source files after applying them do not. That's why I am not a big fan of using tabs inside comments. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <linux@roeck-us.net>
2012-11-05hwmon: (w83627ehf) Force initial bank selectionJean Delvare
Don't assume bank 0 is selected at device probe time. This may not be the case. Force bank selection at first register access to guarantee that we read the right registers upon driver loading. Signed-off-by: Jean Delvare <khali@linux-fr.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Cc: stable@vger.kernel.org
2012-11-05ARM: tegra: Add OF_DEV_AUXDATA for SLINK driver in board dtLaxman Dewangan
Add OF_DEV_AUXDATA for slink driver for Tegra20 and Tegra30 board dt files. Set the parent clock of slink controller to PLLP and configure clock to 100MHz. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
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