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2010-06-08mac80211: fix deauth before assocJohannes Berg
When we receive a deauthentication frame before having successfully associated, we neither print a message nor abort assocation. The former makes it hard to debug, while the latter later causes a warning in cfg80211 when, as will typically be the case, association timed out. This warning was reported by many, e.g. in https://bugzilla.kernel.org/show_bug.cgi?id=15981, but I couldn't initially pinpoint it. I verified the fix by hacking hostapd to send a deauth frame instead of an association response. Cc: stable@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Miles Lane <miles.lane@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-08Merge branch 'fix' of ↵Russell King
git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
2010-06-08ARM: 6166/1: Proper prefetch abort handling on pre-ARMv6Anfei
Instruction faults on pre-ARMv6 CPUs are interpreted as a 'translation fault', but do_translation_fault doesn't handle well if user mode trying to run instruction above TASK_SIZE, and result in the infinite retry of that instruction. CC: <stable@kernel.org> Signed-off-by: Anfei Zhou <anfei.zhou@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-06-08iwlwifi: add missing rcu_read_lockJohannes Berg
Using ieee80211_find_sta() needs to be under RCU read lock, which iwlwifi currently misses, so fix it. Cc: stable@kernel.org Reported-by: Miles Lane <miles.lane@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Tested-by: Miles Lane <miles.lane@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-08ARM: 6165/1: trap overflows on highmem pages from kmap_atomic when debuggingNicolas Pitre
When CONFIG_DEBUG_HIGHMEM is used, the fixmap entry used for a highmem page by kmap_atomic() is always cleared by kunmap_atomic(). This helps find bad usages such as dereferences after the unmap, or overflow into the adjacent fixmap areas. But this debugging aid is completely bypassed when a kmap for the same page already exists as the kmap is reused instead. ON VIVT systems we have no choice but to reuse that kmap due to cache coherency issues, but on non VIVT systems we should always force the fixmap usage when debugging is active. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-06-08ARM: 6152/1: ux500 make it possible to disable localtimersLinus Walleij
Currently compilation of ux500 fails if you deselect the kernel feature for localtimers. Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-06-08Merge branch 'for-tip' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/urgent
2010-06-08[S390] Update default configuration.Martin Schwidefsky
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-06-08[S390] arch/s390/kvm: Use GFP_ATOMIC when a lock is heldJulia Lawall
The containing function is called from several places. At one of them, in the function __sigp_stop, the spin lock &fi->lock is held. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @gfp exists@ identifier fn; position p; @@ fn(...) { ... when != spin_unlock when any GFP_KERNEL@p ... when any } @locked@ identifier gfp.fn; @@ spin_lock(...) ... when != spin_unlock fn(...) @depends on locked@ position gfp.p; @@ - GFP_KERNEL@p + GFP_ATOMIC // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-06-08[S390] kprobes: add parameter check to module_free()Hendrik Brueckner
When unregistering kprobes, kprobes calls module_free() and always passes NULL for the mod parameter. Add a check to prevent NULL pointer dereferences. See commit 740a8de0796dd12890b3c8ddcfabfcb528b78d40 for more details. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-06-08[S390] appldata/extmem/kvm: add missing GFP_KERNEL flagHeiko Carstens
Add missing GFP flag to memory allocations. The part in cio only changes a comment. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-06-08perf: Fix signed comparison in perf_adjust_period()Peter Zijlstra
Frederic reported that frequency driven swevents didn't work properly and even caused a division-by-zero error. It turns out there are two bugs, the division-by-zero comes from a failure to deal with that in perf_calculate_period(). The other was more interesting and turned out to be a wrong comparison in perf_adjust_period(). The comparison was between an s64 and u64 and got implicitly converted to an unsigned comparison. The problem is that period_left is typically < 0, so it ended up being always true. Cure this by making the local period variables s64. Reported-by: Frederic Weisbecker <fweisbec@gmail.com> Tested-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: <stable@kernel.org> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-06-08ALSA: sound/spi: patch for the unuseful variable removalWan ZongShun
The '*bitclk' of structure 'snd_at73c213' seems no use, so I make a patch to remove the unnecessary variable. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-08ALSA: hda - Add SSID table for iMac7,1.Justin P. Mattock
This patch add's the iMac7,1 SSID entry to patch_realtek.c which adds sound support. bug entry: https://bugs.launchpad.net/mactel-support/+bug/360866 Note:I do not have this machine on hand only codec#0 file for the machine so please test if you have the appropriate equipment. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-08ALSA: hda - Add SSID table for MacBookAir1,1Justin P. Mattock
This patch add's the MacBookAir1,1 SSID entry to patch_realtek.c which adds sound support. bug entry: https://bugs.launchpad.net/mactel-support/+bug/268301 Note:I do not have this machine on hand only codec#0 file for the machine so please test if you have the appropriate equipment. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-08ALSA: hda - Add SSID table for MacBookAir2,1Justin P. Mattock
This adds the SSID number to snd_pci_quirk for the MacBookAir2,1 taken from codec#0 at: http://launchpadlibrarian.net/49455483/Card0.Codecs.codec.0.txt keep in mind I do not have one of these machines on hand so please if you do have this machine please test for me.. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-08ALSA: atmel: set "channel A event" output to debugYegor Yefremov
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-08drm/radeon: don't poll tv dac if crtc2 is in use.Dave Airlie
So when we added output polling, we'd suddenly use this code more often, and the fact that it always takes over crtc2 and messes with it during probing isn't what we really want to be happening. A more complete fix would to change it to use whatever crtc was free at the time, but for now lets stay simple and just don't poll if crtc2 is already in use. Although a more correct fix was found I suspect we should do this as well, until we get a chance to readdres the tv out polling issues. Reported-by: Torsten Kaiser <just.for.lkml@googlemail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon: reset i2c valid to avoid incorrect tv-out polling.Dave Airlie
We really don't want to be polling tv-out but since we weren't forcing the i2c lines to invalid (tv-out has no DDC), we were adding tv connectors to the polling setup and this was causing blinking on secondary displays. This fixes the regression Torsten reported. Reported-by: Torsten Kaiser <just.for.lkml@googlemail.com> Tested-by: Torsten Kaiser <just.for.lkml@googlemail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/nv50: fix iommu errors caused by device reading from address 0Ben Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/nouveau: off by one in init_i2c_device_find()Dan Carpenter
dcb->i2c[] has DCB_MAX_NUM_I2C_ENTRIES entries. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08nouveau: off by one in nv50_gpio_location()Dan Carpenter
If "gpio->line" is 32 then "nv50_gpio_reg[gpio->line >> 3]" reads past the end of the array. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/nouveau: completely fail init if we fail to map the PRAMIN BARBen Skeggs
On cards where there's a specific BAR for PRAMIN, we used to try and fall back to the "legacy" aperture within the mmio BAR. This is doomed to cause problems, so lets just fail completely as there's obviously something else very wrong anyway. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/nouveau: match U/DP script against SOR linkBen Skeggs
It appears version 0x21 'U' and 'd' tables require us to take the SOR link into account when selecting the appropriate table for a particular output. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-07Merge git://git.infradead.org/~dwmw2/mtd-2.6.35Linus Torvalds
* git://git.infradead.org/~dwmw2/mtd-2.6.35: jffs2: update ctime when changing the file's permission by setfacl jffs2: Fix NFS race by using insert_inode_locked() jffs2: Fix in-core inode leaks on error paths mtd: Fix NAND submenu mtd/r852: update card detect early. mtd/r852: Fixes in case of DMA timeout mtd/r852: register IRQ as last step drivers/mtd: Use memdup_user docbook: make mtd nand module init static
2010-06-07Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: ahci: redo stopping DMA engines on empty ports sata_sil24: fix kernel panic on ARM caused by unaligned access in sata_sil24 ahci: add pci quirk for JMB362 sata_via: explain the magic fix
2010-06-08drm/radeon/kms/pm: resurrect printing power statesRafał Miłecki
debug only agd5f: rebased Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms: add trivial debugging for voltageRafał Miłecki
agd5f: rebased Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms/r600+: use voltage from requested clock mode (v3)Rafał Miłecki
This fixes FDO bug #28375, it's kind of regression, so quite important to have it for .35. V2: Fix on RV770+ as well. All other chipsets have only one clock mode per state. V3: I'm out of luck today. Grepped for voltage in r*.c and missed evergreen. agd5f: rebased Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms/pm: track current voltage (v2)Alex Deucher
track the current voltage level and avoid setting it if the requested voltage is already set. v2: check voltage type before checking current voltage Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms/pm: Disable voltage adjust on RS780/RS880Alex Deucher
The vddc value in the power tables is not an actual voltage like on discrete r6xx/r7xx/evergreen systems, but instead has a symbolic meaning (e.g., NONE, LOW, HIGH, etc.). See atombios.h Most RS780/RS880 vbioses don't have a SetVoltage table anyway, so it shouldn't be doing anything to the hardware at the moment. I need to figure out how voltage is supposed to work on the newer IGPs; until then, disable it. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms: fix typo in printing the HPD infoAlex Deucher
I forgot to fix this in 8e36ed00842668a39a6ed1b0a00b8ac92b7c4cd5 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms/pm: add mid profileAlex Deucher
This adds an additional profile, mid, to the pm profile code which takes the place of the old low profile. The default behavior remains the same, e.g., auto profile now selects between mid and high profiles based on power source, however, you can now manually force the low profile which was previously only available as a dpms off state. Enabling the low profile when the displays are on has been known to cause display corruption in some cases. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms/pm: Misc fixesAlex Deucher
- don't rest the power state in pm_init() We already boot up to the default power state. Note this patch relies on: drm/radeon/kms/pm: patch default power state with default clocks/voltages on r6xx+ To make sure the default power state matches the boot up state. - In the pm resume path asic init will have set the power state back to the default so reset the tracking state values. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms/combios: fix typo in voltage fixAlex Deucher
Noticed by Rafał Miłecki. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon/kms/evergreen: set accel_enabledAlex Deucher
This is needed to enable accel in the ddx. However, due to a bug in older versions of the ddx, it relies on accel being disabled in order to load properly on evergreen chips. To maintain compatility, we add a new get accel param and call that from the ddx. The old one always returns false for evergreen cards. [this fixes a regression with older userspaces on newer kernels]. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/vmwgfx: return -EFAULT for copy_to_user errorsDan Carpenter
copy_to/from_user() returns the number of bytes remaining to be copied but we want to return a negative error code here. This gets returned to userspace. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/drm_crtc: return -EFAULT on copy_to_user errorsDan Carpenter
copy_from_user() returns the number of bytes left to be copied but we want to return a negative error code here. This is in the ioctl handler so the error code get returned to userspace. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/fb: use printk to print out the switching to text mode error.Dave Airlie
using DRM_ERROR, results in people blaming the drm code for the oops, and not looking at the oops. (sadly yes I've gotten reports). Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/radeon: fix PM on non-vram cards.Dave Airlie
PM attemps to unmap objects that aren't actually mapped into userspace ever, so just don't bother unmapping them at this point, since all you are doing is nothing. We should be making sure all access to these objects are locked in kernel space instead. In theory the VRAM gart table is already done, and both the shaders and stolen vga memory blocks are never accessed at runtime. fixes: https://bugzilla.kernel.org/show_bug.cgi?id=16127 Reported-by: Jure Repnic <jlp.bugs@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm: Propagate error from drm_fb_helper_init().Chris Wilson
The previous commit fixes the problem, these commits make sure we actually fail properly if it happens again. I've squashed the commits from Chris since they are all fixing one issue. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-08drm/i915: fix oops on single crtc devices.Dave Airlie
(regression fix since fbdev/kms rework). My fb rework didn't remember about the 84/65s. Reported-by: Ondrej Zary <linux@rainbow-software.org> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-06-07msm: dma: add completion.h headerDaniel Walker
At some point this was exposed (not sure how), linux-2.6/arch/arm/mach-msm/dma.c:92: error: field 'complete' has incomplete type linux-2.6/arch/arm/mach-msm/dma.c: In function 'dmov_exec_cmdptr_complete_func': linux-2.6/arch/arm/mach-msm/dma.c:108: error: implicit declaration of function 'complete' linux-2.6/arch/arm/mach-msm/dma.c: In function 'msm_dmov_exec_cmd': linux-2.6/arch/arm/mach-msm/dma.c:120: error: implicit declaration of function 'init_completion' linux-2.6/arch/arm/mach-msm/dma.c:123: error: implicit declaration of function 'wait_for_completion' and the fix is just to add the header. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-06-08PM / x86: Save/restore MISC_ENABLE registerOndrej Zary
Save/restore MISC_ENABLE register on suspend/resume. This fixes OOPS (invalid opcode) on resume from STR on Asus P4P800-VM, which wakes up with MWAIT disabled. Fixes https://bugzilla.kernel.org/show_bug.cgi?id=15385 Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Tested-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-06-07ahci: redo stopping DMA engines on empty portsTejun Heo
Commit 96d60303fd (ahci: Turn off DMA engines when there's no device) implemented stopping DMA engines on empty ports but it used single sampling of status registers to determine device presence which led to disabling of DMA engines on occupied ports. Do it after all EH actions are complete using device presence state determined by EH. This avoids spurious disabling of DMA engines and simplifies the code. Signed-off-by: Tejun Heo <tj@kernel.org> Tested-by: Marc Dionne <marc.c.dionne@gmail.com> Cc: Matthew Garrett <mjg@redhat.com> Cc: Robert Hancock <hancockrwd@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-06-07sata_sil24: fix kernel panic on ARM caused by unaligned access in sata_sil24Colin Tuckley
The sata_sil24 driver has six 16-bit registers that are initialised with 32-bit writes. This cause a kernel panic on ARM due to the unaligned accesses which result. This patch changes the accesses to the correct 16-bit ones. Signed-off-by: Colin Tuckley <colin.tuckley@arm.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-06-07ahci: add pci quirk for JMB362Tejun Heo
JMB362 is a new variant of jmicron controller which is similar to JMB360 but has two SATA ports instead of one. As there is no PATA port, single function AHCI mode can be used as in JMB360. Add pci quirk for JMB362. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Aries Lee <arieslee@jmicron.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-06-07sata_via: explain the magic fixTejun Heo
Add Joseph Chan's explanation of the problem and workaround to the VT6421 magic fix. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Joseph Chan <JosephChan@via.com.tw> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-06-07mac80211: fix function pointer checkHolger Schurig
This makes "iw wlan0 dump survey" work again with mac80211-based drivers that support it, e.g. ath5k. Signed-off-by: Holger Schurig <holgerschurig@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-07wireless: remove my name from the maintainer listZhu Yi
Remove my name from the MAINTAINERS file. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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