drm/amdgpu: handle error case for ctx

Properly handle ctx init failure.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou 2015-12-10 15:50:02 +08:00 • committed by Alex Deucher
commit c648ed7c5c