diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mn.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_mn.c b/drivers/gpu/drm/radeon/radeon_mn.c index fc8254273a80..1ee20d528a7c 100644 --- a/drivers/gpu/drm/radeon/radeon_mn.c +++ b/drivers/gpu/drm/radeon/radeon_mn.c @@ -234,6 +234,9 @@ void radeon_mn_unregister(struct radeon_bo *bo) struct radeon_mn *rmn = bo->mn; struct list_head *head; + if (!rmn) + return; + mutex_lock(&rmn->lock); /* save the next list entry for later */ head = bo->mn_list.next; |