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2010-06-10kbuild: Create output directory in Makefile.modbuiltinMichal Marek
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-06-09kbuild: Generate modules.builtin in make modulesMichal Marek
Generating the file in make modules_install was broken as well, because it didn't work in a readonly filesystem and otherwise it generated a root-owned file which is not wanted. Reported-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-06-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits) mac80211: fix deauth before assoc iwlwifi: add missing rcu_read_lock mac80211: fix function pointer check wireless: remove my name from the maintainer list ath5k: fix NULL pointer in antenna configuration p54usb: Add device ID for Dell WLA3310 USB wl1251: fix a memory leak in probe ipmr: dont corrupt lists 8139too: fix buffer overrun in rtl8139_init_board asix: check packet size against mtu+ETH_HLEN instead of ETH_FRAME_LEN r8169: fix random mdio_write failures ip6mr: fix a typo in ip6mr_for_each_table() iwlwifi: move sysfs_create_group to post request firmware iwlwifi: add name to Maintainers list iwl3945: fix internal scan iwl3945: enable stuck queue detection on 3945 ipv6: avoid high order allocations ath5k: retain promiscuous setting ath5k: depend on CONFIG_PM_SLEEP for suspend/resume functions mac80211: process station blockack action frames from work ...
2010-06-09Merge branch 'for-2.6.35' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.35' of git://linux-nfs.org/~bfields/linux: nfsd4: shut down callback queue outside state lock nfsd: nfsd_setattr needs to call commit_metadata
2010-06-09FRV: Reinstate null behaviour for the GDB remote protocol 'p' commandDavid Howells
Reinstate the null behaviour that the in-kernel gdbstub had for the GDB remote protocol 'p' command (retrieve a single register value) prior to commit 7ca8b9c0dafd ("frv: extend gdbstub to support more features of gdb"). Before that, the 'p' command just returned an empty reply, which causes gdb to then go and use the 'g' command. However, since that commit, the 'p' command returns an error string, which causes gdb to abort its connection to the target. Not all gdb versions are affected, some use try 'g' first, and if that works, don't bother with 'p', and so don't see the error. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-09Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-06-09Merge branch 'msm-urgent' of git://codeaurora.org/quic/kernel/dwalker/linux-msmLinus Torvalds
* 'msm-urgent' of git://codeaurora.org/quic/kernel/dwalker/linux-msm: mmc: msm: fix compile error on MSM7x30 msm: dma: add completion.h header
2010-06-09Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Fix sg_dma_len() regression microblaze: Define ARCH_SLAB_MINALIGN to fix slab crash
2010-06-09mmc: msm: fix compile error on MSM7x30Daniel Walker
MSM7x30 isn't supported in this driver yet. If ones tried to compile it in with MSM7x30 configure you get, linux-2.6/drivers/mmc/host/msm_sdcc.c: In function 'msmsdcc_fifo_addr': linux-2.6/drivers/mmc/host/msm_sdcc.c:165: error: 'MSM_SDC1_PHYS' undeclared (first use in this function) linux-2.6/drivers/mmc/host/msm_sdcc.c:165: error: (Each undeclared identifier is reported only once linux-2.6/drivers/mmc/host/msm_sdcc.c:165: error: for each function it appears in.) linux-2.6/drivers/mmc/host/msm_sdcc.c:167: error: 'MSM_SDC2_PHYS' undeclared (first use in this function) linux-2.6/drivers/mmc/host/msm_sdcc.c:169: error: 'MSM_SDC3_PHYS' undeclared (first use in this function) linux-2.6/drivers/mmc/host/msm_sdcc.c:171: error: 'MSM_SDC4_PHYS' undeclared (first use in this function) So we add a Kconfig check to prevent this. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-06-09misc: Fix allocation 'borrowed' by vhost_netAlan Cox
10, 233 is allocated officially to /dev/kmview which is shipping in Ubuntu and Debian distributions. vhost_net seem to have borrowed it without making a proper request and this causes regressions in the other distributions. vhost_net can use a dynamic minor so use that instead. Also update the file with a comment to try and avoid future misunderstandings. cc: stable@kernel.org Signed-off-by: Alan Cox <device@lanana.org> [ We should have caught this before 2.6.34 got released. - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-09microblaze: Fix sg_dma_len() regressionFUJITA Tomonori
The commit "asm-generic: add NEED_SG_DMA_LENGTH to define sg_dma_len()" 18e98307de0d746cb0845ebf66535ce2184c25a2 broke microblaze compilation. dma_direct_map_sg() sets sg->dma_length, however microblaze doesn't set NEED_SG_DMA_LENGTH so scatterlist strcutres doesn't include dma_length. sg->dma_length is always equal to sg->length on microblaze. So we don't need to set set dma_length, that is, microblaze can simply use sg->length. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-06-09microblaze: Define ARCH_SLAB_MINALIGN to fix slab crashMichal Simek
The commit "mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGN to <linux/slab_def.h>" 1f0ce8b3dd667dca7 which moved the ARCH_SLAB_MINALIGN default into the global header broke FLAT for Microblaze. Error message: slab error in verify_redzone_free(): cache `idr_layer_cache': memory outside object was overwritten Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-06-08Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: core: check for 1394a compliant IRM, fix inaccessibility of Sony camcorder
2010-06-08Revert "drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on)."Linus Torvalds
This reverts commit cfecde435dda78248d6fcdc424bed68d5db6be0b, since it seems to cause some systems to not come up with any video output at all (or video that only comes on when X starts up). Fixes bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=16163 Reported-and-tested-by: David John <davidjon@xenontk.org> Tested-by: Nick Bowler <nbowler@elliptictech.com> Acked-by: Carl Worth <cworth@cworth.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-08Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (23 commits) drm/radeon: don't poll tv dac if crtc2 is in use. drm/radeon: reset i2c valid to avoid incorrect tv-out polling. drm/nv50: fix iommu errors caused by device reading from address 0 drm/nouveau: off by one in init_i2c_device_find() nouveau: off by one in nv50_gpio_location() drm/nouveau: completely fail init if we fail to map the PRAMIN BAR drm/nouveau: match U/DP script against SOR link drm/radeon/kms/pm: resurrect printing power states drm/radeon/kms: add trivial debugging for voltage drm/radeon/kms/r600+: use voltage from requested clock mode (v3) drm/radeon/kms/pm: track current voltage (v2) drm/radeon/kms/pm: Disable voltage adjust on RS780/RS880 drm/radeon/kms: fix typo in printing the HPD info drm/radeon/kms/pm: add mid profile drm/radeon/kms/pm: Misc fixes drm/radeon/kms/combios: fix typo in voltage fix drm/radeon/kms/evergreen: set accel_enabled drm/vmwgfx: return -EFAULT for copy_to_user errors drm/drm_crtc: return -EFAULT on copy_to_user errors drm/fb: use printk to print out the switching to text mode error. ...
2010-06-08Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] Update default configuration. [S390] arch/s390/kvm: Use GFP_ATOMIC when a lock is held [S390] kprobes: add parameter check to module_free() [S390] appldata/extmem/kvm: add missing GFP_KERNEL flag
2010-06-08writeback: limit write_cache_pages integrity scanning to current EOFDave Chinner
sync can currently take a really long time if a concurrent writer is extending a file. The problem is that the dirty pages on the address space grow in the same direction as write_cache_pages scans, so if the writer keeps ahead of writeback, the writeback will not terminate until the writer stops adding dirty pages. For a data integrity sync, we only need to write the pages dirty at the time we start the writeback, so we can stop scanning once we get to the page that was at the end of the file at the time the scan started. This will prevent operations like copying a large file preventing sync from completing as it will not write back pages that were dirtied after the sync was started. This does not impact the existing integrity guarantees, as any dirty page (old or new) within the EOF range at the start of the scan will still be captured. This patch will not prevent sync from blocking on large writes into holes. That requires more complex intervention while this patch only addresses the common append-case of this sync holdoff. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-08xfs: remove nr_to_write writeback windup.Dave Chinner
Now that the background flush code has been fixed, we shouldn't need to silently multiply the wbc->nr_to_write to get good writeback. Remove that code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-08writeback: pay attention to wbc->nr_to_write in write_cache_pagesDave Chinner
If a filesystem writes more than one page in ->writepage, write_cache_pages fails to notice this and continues to attempt writeback when wbc->nr_to_write has gone negative - this trace was captured from XFS: wbc_writeback_start: towrt=1024 wbc_writepage: towrt=1024 wbc_writepage: towrt=0 wbc_writepage: towrt=-1 wbc_writepage: towrt=-5 wbc_writepage: towrt=-21 wbc_writepage: towrt=-85 This has adverse effects on filesystem writeback behaviour. write_cache_pages() needs to terminate after a certain number of pages are written, not after a certain number of calls to ->writepage are made. This is a regression introduced by 17bc6c30cf6bfffd816bdc53682dd46fc34a2cf4 ("vfs: Add no_nrwrite_index_update writeback control flag"), but cannot be reverted directly due to subsequent bug fixes that have gone in on top of it. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-08Merge branch 'bkl/fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing * 'bkl/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: hp_sdc_rtc: fix broken ioctl conversion
2010-06-08Merge branch 'for-2.6.34-incoming' into for-2.6.35-incomingJ. Bruce Fields
2010-06-08nfsd4: shut down callback queue outside state lockJ. Bruce Fields
This reportedly causes a lockdep warning on nfsd shutdown. That looks like a false positive to me, but there's no reason why this needs the state lock anyway. Reported-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2010-06-08hp_sdc_rtc: fix broken ioctl conversionArnd Bergmann
Commit 55929332c92 "drivers: Push down BKL into various drivers" introduced a regression in hp_sdc_rtc, caused by a missing change of the .unlocked_ioctl pointer to the newly introduced function. Fixes: drivers/input/misc/hp_sdc_rtc.c:681: warning: initialization from incompatible pointer type drivers/input/misc/hp_sdc_rtc.c:665: warning: ‘hp_sdc_rtc_unlocked_ioctl’ defined but not used Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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>
2010-06-08iwlwifi: 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>
2010-06-08[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>
2010-06-08drm/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>
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