tcp: remove redundant argument from tcp_rcv_established()

The last (4th) argument of tcp_rcv_established() is redundant as it
always equals to skb->len and the skb itself is always passed as 2th
agrument. There is no reason to have it.

Signed-off-by: Ilya V. Matveychikov <matvejchikov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2920e0cb09f8..adc3f3e9468c 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5358,8 +5358,9 @@ discard:
  *      tcp_data_queue when everything is OK.
  */
 void tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
-                         const struct tcphdr *th, unsigned int len)
+                         const struct tcphdr *th)
 {
+        unsigned int len = skb->len;
         struct tcp_sock *tp = tcp_sk(sk);
 
         tcp_mstamp_refresh(tp);