[PATCH 01/13] drm/mgag200: 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/mgag200/mgag200_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index 26868e5c55b0..0722d18992f4 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -322,9 +322,7 @@ static void mgag200_bo_unref(struct mgag200_bo **bo)

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

void mgag200_gem_free_object(struct drm_gem_object *obj)