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

It looks like dst parameter is used in this API due to historical
reasons.  Actually, it is really used in the direct call to
tcp_v4_send_synack only.  So, create a wrapper for tcp_v4_send_synack
and remove dst from rtx_syn_ack.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index cff4608179c1..040780add355 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -31,8 +31,7 @@ struct request_sock_ops {
         int             obj_size;
         struct kmem_cache       *slab;
         int             (*rtx_syn_ack)(struct sock *sk,
-                                       struct request_sock *req,
-                                       struct dst_entry *dst);
+                                       struct request_sock *req);
         void            (*send_ack)(struct sk_buff *skb,
                                     struct request_sock *req);
         void            (*send_reset)(struct sock *sk,