INET_DIAG_PROTOCOL 228 net/ipv4/inet_diag.c if (nla_put_u8(skb, INET_DIAG_PROTOCOL, sk->sk_protocol)) INET_DIAG_PROTOCOL 1201 net/ipv4/inet_diag.c if ((err = nla_put_u8(skb, INET_DIAG_PROTOCOL, sk->sk_protocol))) {