diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drmP.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index a029dea13f48..3b7fda557b8d 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1629,10 +1629,12 @@ drm_gem_object_unreference(struct drm_gem_object *obj) static inline void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) { - if (obj != NULL) { + if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) { struct drm_device *dev = obj->dev; + mutex_lock(&dev->struct_mutex); - kref_put(&obj->refcount, drm_gem_object_free); + if (likely(atomic_dec_and_test(&obj->refcount.refcount))) + drm_gem_object_free(&obj->refcount); mutex_unlock(&dev->struct_mutex); } } |