473 		mutex_lock(&dev->graph_mutex);  in media_device_ioctl()
478 		mutex_unlock(&dev->graph_mutex);  in media_device_ioctl()
537 		mutex_lock(&dev->graph_mutex);  in media_device_compat_ioctl()
540 		mutex_unlock(&dev->graph_mutex);  in media_device_compat_ioctl()
647 	mutex_lock(&mdev->graph_mutex);  in media_device_register_entity()
675 			mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity()
681 	mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity()
694 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister_entity()
696 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister_entity()
719 	mutex_init(&mdev->graph_mutex);  in media_device_init()
733 	mutex_destroy(&mdev->graph_mutex);  in media_device_cleanup()
782 	mutex_lock(&mdev->graph_mutex);  in media_device_register_entity_notify()
784 	mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity_notify()
801 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister_entity_notify()
803 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister_entity_notify()
817 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister()
821 		mutex_unlock(&mdev->graph_mutex);  in media_device_unregister()
848 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister()