drm/ttm: tt destroy move null check to outer function.

This just makes things easier later.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200915024007.67163-4-airlied@gmail.com
This commit is contained in:
Dave Airlie 2020-09-15 11:04:08 +10:00
commit 395a73f8ba
3 changed files with 3 additions and 3 deletions