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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-02-08 08:51:51 +0000 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2018-02-12 23:34:59 -0800 |
| commit | 33afe065b66f226ee5f90ab24ff55799c896e381 (patch) | |
| tree | 07bea367a21ee851d046dc9827b644229524513d /drivers/visorbus | |
| parent | 73b0fcd24ef1b8e20b7f6e6babcde540d96d0cb2 (diff) | |
| download | linux-33afe065b66f226ee5f90ab24ff55799c896e381.tar.gz linux-33afe065b66f226ee5f90ab24ff55799c896e381.tar.bz2 linux-33afe065b66f226ee5f90ab24ff55799c896e381.zip | |
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: ac14fbd460d0 ("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 11a18f631959fd1ca10856c836a827683536770c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/visorbus')
0 files changed, 0 insertions, 0 deletions