drm/ttm: init locked again to prevent incorrect unlock

Signed-off-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roger He 2017-12-07 12:51:19 +08:00 • committed by Alex Deucher
commit 5cc636846d