Commits
Dan Carpenter committed 2b7edcad69e
drm/virtio: checking for NULL instead of IS_ERR
virtio_gpu_alloc_object() returns an error pointer, it never returns
NULL.
Fixes: dc5698e80cf7 ('Add virtio gpu driver.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>