Message ID | 1376517769-7171-8-git-send-email-daniel.vetter@ffwll.ch (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index b1d9e25..9118f5f 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -238,7 +238,7 @@ static void drm_gem_object_handle_free(struct drm_gem_object *obj) void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj) { - if (atomic_read(&obj->handle_count) == 0) + if (WARN_ON(atomic_read(&obj->handle_count) == 0)) return; /*
Trying to drop a reference we don't have is a pretty serious bug. Trying to paper over it is an even worse offense. So scream into dmesg with a big WARN in case that ever happens. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> --- drivers/gpu/drm/drm_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)