v4l2_device_release 1005 drivers/media/v4l2-core/v4l2-dev.c 	vdev->dev.release = v4l2_device_release;
v4l2_device_release   56 drivers/media/v4l2-core/v4l2-device.c 	return kref_put(&v4l2_dev->ref, v4l2_device_release);