devinet_ioctl
int devinet_ioctl(struct net *net, unsigned int cmd, struct ifreq *);
err = devinet_ioctl(net, cmd, &ifr);
err = devinet_ioctl(net, cmd, &ifr);
if ((err = devinet_ioctl(&init_net, SIOCSIFADDR, &ir)) < 0) {
if ((err = devinet_ioctl(&init_net, SIOCSIFNETMASK, &ir)) < 0) {
if ((err = devinet_ioctl(&init_net, SIOCSIFBRDADDR, &ir)) < 0) {