tcp: remove tcp_synack_options() socket argument

We do not use the socket in this function.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 4cd0b50d4e46c77613377435a0f41b84a90d4e7d..87392cb51b115a874dfaf6d570bb5a5d878f01e2 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -612,12 +612,11 @@ static unsigned int tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 }
 
 /* Set up TCP options for SYN-ACKs. */
-static unsigned int tcp_synack_options(struct sock *sk,
-                                  struct request_sock *req,
-                                  unsigned int mss, struct sk_buff *skb,
-                                  struct tcp_out_options *opts,
-                                  const struct tcp_md5sig_key *md5,
-                                  struct tcp_fastopen_cookie *foc)
+static unsigned int tcp_synack_options(struct request_sock *req,
+                                      unsigned int mss, struct sk_buff *skb,
+                                      struct tcp_out_options *opts,
+                                      const struct tcp_md5sig_key *md5,
+                                      struct tcp_fastopen_cookie *foc)
 {
        struct inet_request_sock *ireq = inet_rsk(req);
        unsigned int remaining = MAX_TCP_OPTION_SPACE;
@@ -2989,8 +2988,8 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
        md5 = tcp_rsk(req)->af_specific->req_md5_lookup(sk, req_to_sk(req));
 #endif
        skb_set_hash(skb, tcp_rsk(req)->txhash, PKT_HASH_TYPE_L4);
-       tcp_header_size = tcp_synack_options(sk, req, mss, skb, &opts, md5,
-                                            foc) + sizeof(*th);
+       tcp_header_size = tcp_synack_options(req, mss, skb, &opts, md5, foc) +
+                         sizeof(*th);
 
        skb_push(skb, tcp_header_size);
        skb_reset_transport_header(skb);