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Joonas Lahtinen ebfb697780 drm/i915: Handle vm_mmap error during I915_GEM_MMAP ioctl with WC set 
Add err goto label and use it when VMA can't be established or changes
underneath.

v2:
- Dropping Fixes: as it's indeed impossible to race an object to the
  error address. (Chris)
v3:
- Use IS_ERR_VALUE (Chris)

Reported-by: Adam Zabrocki <adamza@microsoft.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Adam Zabrocki <adamza@microsoft.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> #v2
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207085454.10598-2-joonas.lahtinen@linux.intel.com
2019-02-07 14:10:36 +02:00
..
accessibility
…
acpi
ACPI / PMIC: Add generic intel_soc_pmic_exec_mipi_pmic_seq_element handling
2019-01-09 10:35:03 +01:00
amba
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android
binder: implement binderfs
2018-12-19 09:40:13 +01:00
ata
for-4.21/libata-20190102
2019-01-02 18:47:56 -08:00
atm
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auxdisplay
auxdisplay: charlcd: fix x/y command parsing
2018-12-21 21:27:21 +01:00
base
Merge branch 'mount.part1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-01-05 13:25:58 -08:00
bcma
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block
block: sunvdc: don't run hw queue synchronously from irq context
2019-01-03 08:21:47 -07:00
bluetooth
Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading
2018-12-19 13:43:42 +01:00
bus
ARM: SoC driver updates
2018-12-31 17:32:35 -08:00
cdrom
gdrom: fix a memory leak bug
2018-12-29 08:20:44 -07:00
char
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
clk
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-01-02 18:56:59 -08:00
clocksource
arch/csky patches for 4.21-rc1
2019-01-05 09:50:07 -08:00
connector
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cpufreq
powerpc updates for 4.21
2018-12-27 10:43:24 -08:00
cpuidle
powerpc updates for 4.21
2018-12-27 10:43:24 -08:00
crypto
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
dax
mm, devm_memremap_pages: fix shutdown handling
2018-12-28 12:11:47 -08:00
dca
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devfreq
…
dio
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dma
Merge branch 'next/drivers' into next/late
2019-01-04 14:31:38 -08:00
dma-buf
drm-misc-next for 5.1:
2019-01-10 05:58:52 +10:00
edac
EDAC, fsl_ddr: Add LS1021A to the list of supported hardware
2018-12-19 11:57:45 +01:00
eisa
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extcon
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firewire
FireWire (IEEE 1394) subsystem patch:
2019-01-05 18:33:21 -08:00
firmware
arm64 fixes for -rc1
2019-01-05 11:28:39 -08:00
fmc
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fpga
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
fsi
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gnss
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gpio
This is the bulk of GPIO changes for the v4.21 kernel series:
2018-12-28 20:00:21 -08:00
gpu
drm/i915: Handle vm_mmap error during I915_GEM_MMAP ioctl with WC set
2019-02-07 14:10:36 +02:00
hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2019-01-05 17:53:40 -08:00
hsi
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hv
Char/Misc driver patches for 4.21-rc1
2018-12-28 20:54:57 -08:00
hwmon
Kconfig updates for v4.21
2018-12-29 13:03:29 -08:00
hwspinlock
hwspinlock: fix return value check in stm32_hwspinlock_probe()
2019-01-03 11:42:10 -08:00
hwtracing
intel_th: msu: Fix an off-by-one in attribute store
2018-12-19 20:21:06 +01:00
i2c
Merge branch 'i2c/for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2019-01-05 18:13:35 -08:00
i3c
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ide
for-4.21/block-20181221
2018-12-28 13:19:59 -08:00
idle
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iio
Staging/IIO driver patches for 4.21-rc1
2018-12-28 20:39:58 -08:00
infiniband
4.21 merge window 2nd pull request
2019-01-05 18:20:51 -08:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-01-02 18:56:59 -08:00
iommu
IOMMU Updates for Linux v4.21
2019-01-01 15:55:29 -08:00
ipack
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irqchip
Xtensa updates for v4.21:
2018-12-29 09:40:40 -08:00
isdn
isdn: fix kernel-infoleak in capi_unlocked_ioctl
2019-01-02 10:31:39 -08:00
leds
LEDs for 4.21-rc1
2018-12-25 14:52:50 -08:00
lightnvm
lightnvm: pblk: fix use-after-free bug
2018-12-22 14:45:35 -07:00
macintosh
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
mailbox
mailbox: tegra-hsp: Use device-managed registration API
2018-12-21 22:31:26 -06:00
mcb
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md
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md into for-linus
2019-01-03 08:21:02 -07:00
media
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
memory
ARM: SoC: late updates
2019-01-05 11:30:37 -08:00
memstick
MMC core:
2018-12-28 16:52:18 -08:00
message
scsi: flip the default on use_clustering
2018-12-18 23:13:12 -05:00
mfd
mfd: axp20x: use explicit bit defines
2018-12-13 16:40:03 +00:00
misc
Merge branch 'i2c/for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2019-01-05 18:13:35 -08:00
mmc
MMC core:
2018-12-28 16:52:18 -08:00
mtd
Kbuild updates for v4.21
2018-12-29 12:03:17 -08:00
mux
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net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-01-03 12:53:47 -08:00
nfc
…
ntb
…
nubus
…
nvdimm
Merge branch 'akpm' (patches from Andrew)
2018-12-28 16:55:46 -08:00
nvme
nvme-pci: trace SQ status on completions
2018-12-19 08:35:36 +01:00
nvmem
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of
Merge tag 'devicetree-for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2018-12-28 20:08:34 -08:00
opp
Merge branch 'opp/genpd/propagation' into opp/linux-next
2018-12-14 16:28:52 +05:30
oprofile
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parisc
Kconfig file consolidation for v4.21
2018-12-29 13:40:29 -08:00
parport
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pci
pci-v4.21-changes
2019-01-05 17:57:34 -08:00
pcmcia
Included in this update:
2019-01-05 11:23:17 -08:00
perf
drivers/perf: hisi: Fixup one DDRC PMU register offset
2019-01-04 10:13:27 +00:00
phy
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pinctrl
Pin control bulk changes for the v4.21 kernel cycle:
2019-01-01 13:19:16 -08:00
platform
chrome platform changes for v4.21
2019-01-06 11:40:06 -08:00
pnp
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
power
power supply and reset changes for the v4.21 series
2018-12-28 20:22:45 -08:00
powercap
…
pps
Kconfig updates for v4.21
2018-12-29 13:03:29 -08:00
ps3
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ptp
Char/Misc driver patches for 4.21-rc1
2018-12-28 20:54:57 -08:00
pwm
pwm: imx: Add ipg clock operation
2018-12-24 12:06:56 +01:00
rapidio
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ras
treewide: surround Kconfig file paths with double quotes
2018-12-22 00:25:54 +09:00
regulator
Merge remote-tracking branch 'regulator/topic/coupled' into regulator-next
2018-12-21 13:43:35 +00:00
remoteproc
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reset
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rpmsg
…
rtc
RTC for 4.21
2019-01-01 13:24:31 -08:00
s390
s390 updates for the 4.21 merge window
2019-01-02 18:37:01 -08:00
sbus
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
2018-12-26 10:32:18 -08:00
scsi
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
sfi
…
sh
…
siox
…
slimbus
…
sn
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soc
ARM: SoC driver updates
2018-12-31 17:32:35 -08:00
soundwire
…
spi
spi: Updates for v4.21
2018-12-25 14:43:54 -08:00
spmi
…
ssb
…
staging
staging/vboxvideo: Don't set FBINFO_MISC_ALWAYS_SETPAR
2019-01-15 16:14:47 +01:00
target
SCSI misc on 20181224
2018-12-28 14:48:06 -08:00
tc
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tee
OP-TEE dynamic shm log message
2018-12-31 13:06:30 -08:00
thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2019-01-05 16:07:28 -08:00
thunderbolt
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tty
ARM: SoC: late updates
2019-01-05 11:30:37 -08:00
uio
Char/Misc driver patches for 4.21-rc1
2018-12-28 20:54:57 -08:00
usb
pci-v4.21-changes
2019-01-05 17:57:34 -08:00
uwb
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vfio
IOMMU Updates for Linux v4.21
2019-01-01 15:55:29 -08:00
vhost
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
video
fbdev changes for v4.21:
2019-01-05 18:15:37 -08:00
virt
…
virtio
virtio, vhost: features, fixes, cleanups
2019-01-02 18:54:45 -08:00
visorbus
…
vlynq
…
vme
…
w1
treewide: surround Kconfig file paths with double quotes
2018-12-22 00:25:54 +09:00
watchdog
linux-watchdog 4.21-rc1 tag
2019-01-01 13:16:45 -08:00
xen
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
zorro
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Kconfig
Kconfig file consolidation for v4.21
2018-12-29 13:40:29 -08:00
Makefile
…