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(parent: 969af80) | patch
drm/msm: fix use of copy_from_user() while holding spinlock
authorRob Clark <robdclark@gmail.com>
Mon, 22 Aug 2016 19:15:23 +0000 (15:15 -0400)
committerRob Clark <robdclark@gmail.com>
Sun, 28 Aug 2016 16:47:46 +0000 (12:47 -0400)
commit89f82cbb0d5c0ab768c8d02914188aa2211cd2e3
treeaaafcf9dff775b5df1898fc9adb925adae96b4cctree | snapshot
parent969af80f770a86e65bf8be1f72b218b5f8556b56commit | diff
drm/msm: fix use of copy_from_user() while holding spinlock

Use instead __copy_from_user_inatomic() and fallback to slow-path where
we drop and re-aquire the lock in case of fault.

Cc: stable@vger.kernel.org
Reported-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
drivers/gpu/drm/msm/msm_gem_submit.c diff | blob | history
Linux Kernel tree with some unpolished code for Colibri/Apalis modules