drm/ast: Remove unnecessary NULL check in bo_unref
ttm_bo_unref unconditionally calls kref_put on it's argument, so the
thing can't be NULL without already causing Oopses.
Spotted by coverity.
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 50535fd..38941a6 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -411,10 +411,9 @@
tbo = &((*bo)->bo);
ttm_bo_unref(&tbo);
- if (tbo == NULL)
- *bo = NULL;
-
+ *bo = NULL;
}
+
void ast_gem_free_object(struct drm_gem_object *obj)
{
struct ast_bo *ast_bo = gem_to_ast_bo(obj);