- switch (num_valid) {
- case 4:
- rxr->rx_buf_ring[mbcons + 3] = NULL;
- /* FALLTHROUGH */
- case 3:
- rxr->rx_buf_ring[mbcons + 2] = NULL;
- /* FALLTHROUGH */
- case 2:
- rxr->rx_buf_ring[mbcons + 1] = NULL;
- /* FALLTHROUGH */
- case 1:
- rxr->rx_buf_ring[mbcons + 0] = NULL;