[PATCH 03/13] drm/cirrus: 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/cirrus/cirrus_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c index 4b0170cf53fd..b119f66fed92 100644 --- a/drivers/gpu/drm/cirrus/cirrus_main.c +++ b/drivers/gpu/drm/cirrus/cirrus_main.c @@ -264,9 +264,7 @@ static void cirrus_bo_unref(struct cirrus_bo **bo)

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

void cirrus_gem_free_object(struct drm_gem_object *obj)