return -EINVAL;
        }
 
-       if (wcd->rx_chs) {
-               wcd->num_rx_port = rx_num;
-               for (i = 0; i < rx_num; i++) {
-                       wcd->rx_chs[i].ch_num = rx_slot[i];
-                       INIT_LIST_HEAD(&wcd->rx_chs[i].list);
-               }
+       wcd->num_rx_port = rx_num;
+       for (i = 0; i < rx_num; i++) {
+               wcd->rx_chs[i].ch_num = rx_slot[i];
+               INIT_LIST_HEAD(&wcd->rx_chs[i].list);
        }
 
-       if (wcd->tx_chs) {
-               wcd->num_tx_port = tx_num;
-               for (i = 0; i < tx_num; i++) {
-                       wcd->tx_chs[i].ch_num = tx_slot[i];
-                       INIT_LIST_HEAD(&wcd->tx_chs[i].list);
-               }
+       wcd->num_tx_port = tx_num;
+       for (i = 0; i < tx_num; i++) {
+               wcd->tx_chs[i].ch_num = tx_slot[i];
+               INIT_LIST_HEAD(&wcd->tx_chs[i].list);
        }
 
        return 0;