[PATCH 05/13] 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.

Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/ast/ast_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 50535fd5a88d..38941a656312 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -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; - + *bo = NULL; } + void ast_gem_free_object(struct drm_gem_object *obj) { struct ast_bo *ast_bo = gem_to_ast_bo(obj);