Commit eb649a61 authored Apr 05, 2014 by Daniel Vetter

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>

parent 3d535edd

drivers/gpu/drm/ast/ast_main.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -411,10 +411,9 @@ static void ast_bo_unref(struct ast_bo **bo)

		tbo = &((*bo)->bo);
		ttm_bo_unref(&tbo);
		if (tbo == NULL)
		*bo = NULL;

		}

		void ast_gem_free_object(struct drm_gem_object *obj)
		{
		struct ast_bo *ast_bo = gem_to_ast_bo(obj);