drm/nouveau: hold mutex when calling nouveau_abi16_fini()

This was the only access to cli->abi16 without holding the mutex. Signed-off-by: Kamil Dudka <kdudka@redhat.com>
git-mirror · Jul 27, 2015 · ac8c793 · ac8c793
1 parent cbfe8fa
commit ac8c793
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -865,8 +865,10 @@ nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
 
 	pm_runtime_get_sync(dev->dev);
 
+	mutex_lock(&cli->mutex);
 	if (cli->abi16)
 		nouveau_abi16_fini(cli->abi16);
+	mutex_unlock(&cli->mutex);
 
 	mutex_lock(&drm->client.mutex);
 	list_del(&cli->head);