drm: Fix error handling in drm_master_create

We need to check whether drm_ht_create succeed and clean up
if not.

Spotted by coverity.

Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-04-05 11:12:04 +02:00
commit 10e6856983