continue;
strcpy(ifr.ifr_newname, ch->ifname);
- if (ioctl(ctl_sk, SIOCSIFNAME, &ifr) < 0)
- bb_perror_msg_and_die("cannot change ifname %s to %s",
- ifr.ifr_name, ch->ifname);
+ ioctl_or_perror_and_die(ctl_sk, SIOCSIFNAME, &ifr,
+ "cannot change ifname %s to %s",
+ ifr.ifr_name, ch->ifname);
/* Remove list entry of renamed interface */
if (ch->prev != NULL) {