linux/drivers/gpu
Chris Wilson 33afe065b6 drm/i915: Avoid truncation before clamping userspace's priority value
Userspace provides a 64b value for the priority, we need to be careful
to preserve the full range before validation to prevent truncation (and
letting an illegal value pass).

Reported-by: Antonio Argenziano <antonio.argenziano@intel.com>
Fixes: ac14fbd460 ("drm/i915/scheduler: Support user-defined priorities")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Antonio Argenziano <antonio.argenziano@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180208085151.11480-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
(cherry picked from commit 11a18f6319)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-02-12 23:34:59 -08:00
..
drm drm/i915: Avoid truncation before clamping userspace's priority value 2018-02-12 23:34:59 -08:00
host1x gpu: host1x: Use IOMMU groups 2017-12-21 14:52:36 +01:00
ipu-v3 gpu: ipu-v3: allow to build with COMPILE_TEST 2017-12-19 12:49:11 +01:00
vga vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
Makefile