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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>
2012-11-07ALSA: hda - Keep power link on for PantherPoint HDMIDavid Henningsson
On some of the PantherPoint HDMI machines we currently enable, we're seeing trouble with unsol events, i e detecting monitor presence, especially when on battery and after suspend/resume. BugLink: https://bugs.launchpad.net/bugs/1075882 Tested-by: Cyrus Lien <cyrus.lien@canonical.com> Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-07ARM: at91: atmel-ssc: add device tree supportBo Shen
Add atmel-ssc for device tree support Match "atmel,at91rm9200-ssc" for using pdc for data transfer Match "atmel,at91sam9g45-ssc" for using dma for data transfer Signed-off-by: Bo Shen <voice.shen@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.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>
2012-11-07Merge 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>
2012-11-06s390/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>
2012-11-06Merge 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
2012-11-06irqchip: 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 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>
2012-11-06ARM: at91: atmel-ssc: add platform device id tableBo Shen
Add platform device id to check whether the SSC controller support pdc or dam for data transfer If match "at91rm9200_ssc", which support pdc for data transfer If match "at91sam9g45_ssc", which support dma for data transfer Signed-off-by: Bo Shen <voice.shen@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-06Merge tag 'v3.7-rc3' into HEADMark Brown
Linux 3.7-rc3
2012-11-06ASoC: sam9g20: using platform device for audio partBo Shen
Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-06ASoC: sam9g20-wm8731: convert to use snd_soc_register_card()Bo Shen
Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-06ASoC: atmel-ssc: use module_platform_driver macroBo Shen
This patch removes some code duplication by using module_platform_driver Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-06ASoC: atmel-ssc: use devm_xxx() managed functionBo Shen
Using the devm_xxx() managed function to stripdown the error and remove code. Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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: fsi: add master clock control functionsKuninori Morimoto
Current FSI driver required set_rate() platform callback function to set audio clock if it was master mode, because it seemed that CPG/FSI-DIV clocks calculation depend on platform/board/cpu. But it was calculable regardless of platform. This patch supports audio clock calculation method, but the sampling rate under 32kHz is not supported at this point. Old type set_rate() is still supported now, but it will be deleted on next version Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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
2012-11-06ASoC: wm0010: Remove boot_done variable as no longer required.Scott Ling
Remove the boot_done counter variable and check the wm0010 state variable instead. Signed-off-by: Scott Ling <scott.ling@wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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
2012-11-05PCI/PM: Fix proc config reg access for D3cold and bridge suspendingHuang Ying
In https://bugzilla.kernel.org/show_bug.cgi?id=48981 Peter reported that /proc/bus/pci/??/??.? does not work for 3.6. This is because the device configuration space registers are not accessible if the corresponding parent bridge is suspended or the device is put into D3cold state. This is the same as /sys/bus/pci/devices/0000:??:??.?/config access issue. So the function used to solve sysfs issue is used to solve this issue. This patch moves pci_config_pm_runtime_get()/_put() from pci/pci-sysfs.c to pci/pci.c and makes them extern so they can be used by both the sysfs and proc paths. [bhelgaas: changelog, references, reporters] Reference: https://bugzilla.kernel.org/show_bug.cgi?id=48981 Reference: https://bugzilla.kernel.org/show_bug.cgi?id=49031 Reported-by: Forrest Loomis <cybercyst@gmail.com> Reported-by: Peter <lekensteyn@gmail.com> Reported-by: Micael Dias <kam1kaz3@gmail.com> Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> CC: stable@vger.kernel.org # v3.6+
2012-11-05iwlwifi: handle DMA mapping failuresJohannes Berg
The RX replenish code doesn't handle DMA mapping failures, which will cause issues if there actually is a failure. This was reported by Shuah Khan who found a DMA mapping framework warning ("device driver failed to check map error"). Cc: stable@vger.kernel.org Reported-by: Shuah Khan <shuah.khan@hp.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-05Merge tag 'v3.7-rc4' into upstream-masterCatalin Marinas
Linux 3.7-rc4
2012-11-05mac80211: sync acccess to tx_filtered/ps_tx_buf queuesArik Nemtsov
These are accessed without a lock when ending STA PSM. If the sta_cleanup timer accesses these lists at the same time, we might crash. This may fix some mysterious crashes we had during ieee80211_sta_ps_deliver_wakeup. Cc: stable@vger.kernel.org Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Ido Yariv <ido@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-05ALSA: virtuoso: Xonar DSX supportSergiu Giurgiu
This patch adds support for ASUS - Xonar DSX sound cards. Tested on openSUSE 12.2 with kernel: Linux 3.4.6-2.10-desktop #1 SMP PREEMPT Thu Jul 26 09:36:26 UTC 2012 (641c197) x86_64 x86_64 x86_64 GNU/Linux Works: - play sounds - adjust volume on master channel. - mute . Since Xonar DS uses the same chip, everything that works for DS should work for DSX as well. Signed-off-by: Sergiu Giurgiu <sgiurgiu11@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-05cifs: Do not lookup hashed negative dentry in cifs_atomic_openSachin Prabhu
We do not need to lookup a hashed negative directory since we have already revalidated it before and have found it to be fine. This also prevents a crash in cifs_lookup() when it attempts to rehash the already hashed negative lookup dentry. The patch has been tested using the reproducer at https://bugzilla.redhat.com/show_bug.cgi?id=867344#c28 Cc: <stable@kernel.org> # 3.6.x Reported-by: Vit Zahradka <vit.zahradka@tiscali.cz> Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
2012-11-05ALSA: hda - Force to reset IEC958 status bits for AD codecsTakashi Iwai
Several bug reports suggest that the forcibly resetting IEC958 status bits is required for AD codecs to get the SPDIF output working properly after changing streams. Original fix credit to Javeed Shaikh. BugLink: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/359361 Reported-by: Robin Kreis <r.kreis@uni-bremen.de> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-05pinctrl: SPEAr1340: Add clcd sleep mode pin configurationVipul Kumar Samar
CLCD pads must be configured differently for sleep mode. This patch adds support for clcd_sleep_pingroup. Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-05pinctrl: SPEAr1340: Make DDR reset & clock pads as gpioDeepak Sikri
Some gpio pins are used to control DDR reset and clock enable while the system is moved into Low power. This patch adds in the corresponding GPIO entries in the pads_as_gpio_pins to ensure the pads are available as gpio's. Signed-off-by: Deepak Sikri <deepak.sikri@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-05pinctrl: SPEAr1310: add register entries for enabling pad directionShiraz Hashim
Pad direction must also be updated for SPEAr1310, while setting pads values. This patch adds support for that. Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-05pinctrl: SPEAr1310: Separate out pci pins from pcie_sata pin groupVipul Kumar Samar
SPEAr1310 has separate PCI and PCIe implementations which are not muxed with each other. Presently they have been implemented as muxed together with SATA and are represented wrongly in the software. In reality only PCIe and SATA implementations are muxed with each other. This patch separates out pci pins creating a new pingroup and function for pci. Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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