sock_diag: implement a get_info handler for inet

[cascardo/linux.git] / net / ipv4 / tcp_diag.c

diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 423e388..479f349 100644 (file)
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -19,13 +19,14 @@
 static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
                              void *_info)
 {
-       const struct tcp_sock *tp = tcp_sk(sk);
        struct tcp_info *info = _info;
 
        if (sk->sk_state == TCP_LISTEN) {
                r->idiag_rqueue = sk->sk_ack_backlog;
                r->idiag_wqueue = sk->sk_max_ack_backlog;
-       } else {
+       } else if (sk->sk_type == SOCK_STREAM) {
+               const struct tcp_sock *tp = tcp_sk(sk);
+
                r->idiag_rqueue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
                r->idiag_wqueue = tp->write_seq - tp->snd_una;
        }