Get IP Address from the kernel

u32 get_ip_by_eth_name(const char *name)
{
    u32 ret = 0;
    struct net_device *nd = NULL;

    if ( (nd = dev_get_by_name(name)) != NULL) {
        ret = inet_select_addr(nd, 0, 0);
        dev_put(nd); /* to release net_device */
    }
    return ret;
}