devnode_find      937 drivers/media/v4l2-core/v4l2-dev.c 	nr = devnode_find(vdev, nr == -1 ? 0 : nr, minor_cnt);
devnode_find      939 drivers/media/v4l2-core/v4l2-dev.c 		nr = devnode_find(vdev, 0, minor_cnt);