drm/amdgpu: fix error check issue in amdgpu_mn_invalidate_range_start

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2015-04-27 13:45:40 +08:00 • committed by Alex Deucher
commit 7ab7e8a409