467 		mutex_lock(&dev->graph_mutex);  in media_device_ioctl()
472 		mutex_unlock(&dev->graph_mutex);  in media_device_ioctl()
531 		mutex_lock(&dev->graph_mutex);  in media_device_compat_ioctl()
534 		mutex_unlock(&dev->graph_mutex);  in media_device_compat_ioctl()
634 	mutex_lock(&mdev->graph_mutex);  in media_device_register_entity()
661 			mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity()
667 	mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity()
680 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister_entity()
682 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister_entity()
695 	mutex_init(&mdev->graph_mutex);  in media_device_init()
713 	mutex_destroy(&mdev->graph_mutex);  in media_device_cleanup()
762 	mutex_lock(&mdev->graph_mutex);  in media_device_register_entity_notify()
764 	mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity_notify()
780 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister_entity_notify()
782 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister_entity_notify()
796 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister()
800 		mutex_unlock(&mdev->graph_mutex);  in media_device_unregister()
827 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister()