if (ret < 0)
return ret;
- rte_eth_macaddr_get(port_id, &addr);
+ ret = rte_eth_macaddr_get(port_id, &addr);
+ if (ret != 0) {
+ printf("Failed to get MAC address (port %u): %s\n",
+ port_id, rte_strerror(-ret));
+ return ret;
+ }
+
printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
port_id,