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Diffstat (limited to 'net/ipv4/tcp_diag.c')
-rw-r--r--net/ipv4/tcp_diag.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 0d73f9ddb55b..479f34946177 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -19,28 +19,29 @@
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;
}
- if (info != NULL)
+ if (info)
tcp_get_info(sk, info);
}
static void tcp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r, struct nlattr *bc)
{
inet_diag_dump_icsk(&tcp_hashinfo, skb, cb, r, bc);
}
static int tcp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
- struct inet_diag_req_v2 *req)
+ const struct inet_diag_req_v2 *req)
{
return inet_diag_dump_one_icsk(&tcp_hashinfo, in_skb, nlh, req);
}
@@ -50,6 +51,7 @@ static const struct inet_diag_handler tcp_diag_handler = {
.dump_one = tcp_diag_dump_one,
.idiag_get_info = tcp_diag_get_info,
.idiag_type = IPPROTO_TCP,
+ .idiag_info_size = sizeof(struct tcp_info),
};
static int __init tcp_diag_init(void)