- memset(&dev_info, 0, sizeof(dev_info));
- rte_eth_dev_info_get(port_id, &dev_info);
+ ret = rte_eth_dev_info_get(port_id, &dev_info);
+ if (ret != 0) {
+ printf("Error during getting device (port %u) info: %s\n",
+ port_id, strerror(-ret));
+
+ return ret;
+ }