L2TP_ATTR_PEER_COOKIE
if (info->attrs[L2TP_ATTR_PEER_COOKIE]) {
u16 len = nla_len(info->attrs[L2TP_ATTR_PEER_COOKIE]);
memcpy(&cfg.peer_cookie[0], nla_data(info->attrs[L2TP_ATTR_PEER_COOKIE]), len);
nla_put(skb, L2TP_ATTR_PEER_COOKIE, session->peer_cookie_len, session->peer_cookie)) ||
[L2TP_ATTR_PEER_COOKIE] = {