drm/amdgpu: do necessary NULL check
authorJammy Zhou <Jammy.Zhou@amd.com>
Tue, 12 May 2015 15:17:19 +0000 (23:17 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 4 Jun 2015 01:03:35 +0000 (21:03 -0400)
commit4b095304ea7f73c178cd906df37185c0b9ad9a60
tree7e1710f507e9896d75859d7dbd96de75fcd962ee
parent02b70c8c9f0351f5ddf70716b9049f3fe50d62e7
drm/amdgpu: do necessary NULL check

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c