diff options
| -rw-r--r-- | include/drm/drm_gem.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 1e6ae1458f7a..7a592d7e398b 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -149,14 +149,16 @@ drm_gem_object_unreference(struct drm_gem_object *obj) static inline void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) { - if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) { - struct drm_device *dev = obj->dev; + struct drm_device *dev; + + if (!obj) + return; - mutex_lock(&dev->struct_mutex); - if (likely(atomic_dec_and_test(&obj->refcount.refcount))) - drm_gem_object_free(&obj->refcount); + dev = obj->dev; + if (kref_put_mutex(&obj->refcount, drm_gem_object_free, &dev->struct_mutex)) mutex_unlock(&dev->struct_mutex); - } + else + might_lock(&dev->struct_mutex); } int drm_gem_handle_create(struct drm_file *file_priv, |