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| author | Johannes Berg | 2015-06-10 12:44:58 +0200 |
|---|---|---|
| committer | Johannes Berg | 2015-06-10 12:45:09 +0200 |
| commit | 206c59d1d7d42bcafc1d7f1e476e87e4427e2345 (patch) | |
| tree | a2f99470bd0fe43f5cf57812fca969bb3ca3c451 /include/drm/drm_gem.h | |
| parent | mac80211: Fix a case of incorrect metric used when forwarding a PREQ (diff) | |
| parent | Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge (diff) | |
| download | kernel-qcow2-linux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.tar.gz kernel-qcow2-linux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.tar.xz kernel-qcow2-linux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.zip | |
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge back net-next to get wireless driver changes (from Kalle)
to be able to create the API change across all trees properly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/drm/drm_gem.h')
| -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, |