drm/ttm: remove NULL checks when calling ttm_tt_destroy

The function is a no-op with a NULL pointer.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-06-06 10:17:51 +02:00 • committed by Alex Deucher
commit 4279cb1423
3 changed files with 7 additions and 11 deletions