[INET]: Remove struct dst_entry *dst from request_sock_ops.rtx_syn_ack.

[deliverable/linux.git] / net / ipv4 / tcp_ipv4.c

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 256032a4106932d13463956197a53f82c08a1c61..3b26f9586dcb7a30f278c84bb6a98858235cd7be 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -723,8 +723,8 @@ static void tcp_v4_reqsk_send_ack(struct sk_buff *skb,
  *     This still operates on a request_sock only, not on a big
  *     socket.
  */
-static int tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
-                             struct dst_entry *dst)
+static int __tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
+                               struct dst_entry *dst)
 {
        const struct inet_request_sock *ireq = inet_rsk(req);
        int err = -1;
@@ -732,7 +732,7 @@ static int tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
 
        /* First, grab a route. */
        if (!dst && (dst = inet_csk_route_req(sk, req)) == NULL)
-               goto out;
+               return -1;
 
        skb = tcp_make_synack(sk, dst, req);
 
@@ -751,11 +751,15 @@ static int tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
                err = net_xmit_eval(err);
        }
 
-out:
        dst_release(dst);
        return err;
 }
 
+static int tcp_v4_send_synack(struct sock *sk, struct request_sock *req)
+{
+       return __tcp_v4_send_synack(sk, req, NULL);
+}
+
 /*
  *     IPv4 request_sock destructor.
  */
@@ -1380,7 +1384,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        }
        tcp_rsk(req)->snt_isn = isn;
 
-       if (tcp_v4_send_synack(sk, req, dst))
+       if (__tcp_v4_send_synack(sk, req, dst))
                goto drop_and_free;
 
        if (want_cookie) {