drm/radeon: fix user ptr race condition
authorChristian König <christian.koenig@amd.com>
Tue, 14 Jul 2015 13:58:30 +0000 (15:58 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 3 Aug 2015 16:29:10 +0000 (09:29 -0700)
commitd019429c10adf02d4b107ce815ff3c4aa6c3459a
tree4ae33edebad8a2463e7eb291ac68b5fa8724e0ed
parentea039f927524e36c15b5905b4c9469d788591932
drm/radeon: fix user ptr race condition

commit 12f1384da650bdb835fff63e66fe815ea882fc0e upstream.

Port of amdgpu patch 9298e52f8b51d1e4acd68f502832f3a97f8cf892.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/radeon/radeon_gem.c
drivers/gpu/drm/radeon/radeon_object.c