> vdev->fops = &v4l2_subdev_fops; > vdev->release = v4l2_device_release_subdev_node; > vdev->ctrl_handler = sd->ctrl_handler; > + sd->devnode = vdev; > err = __video_register_device(vdev, VFL_TYPE_SUBDEV, -1, 1, > sd->owner); > if (err < 0) { > + sd->devnod...