+ /* wait 30 seconds for our target to become available */
+ strlcpy(ifr.ifr_name, ifr.ifr_newname, IFNAMSIZ);
+ strlcpy(ifr.ifr_newname, udev->name, IFNAMSIZ);
+ loop = 30 * 20;
+ while (loop--) {
+ retval = ioctl(sk, SIOCSIFNAME, &ifr);
+ if (retval == 0)
+ break;
+
+ if (errno != EEXIST) {
+ err("error changing net interface name %s to %s: %s",
+ ifr.ifr_name, ifr.ifr_newname, strerror(errno));
+ break;
+ }
+ dbg("wait for netif '%s' to become free, loop=%i", udev->name, (30 * 20) - loop);
+ usleep(1000 * 1000 / 20);
+ }
+ }
+
+exit:
+ close(sk);