tcp: Remove debug macro of TCP_CHECK_TIMER

Now, TCP_CHECK_TIMER is not used for debuging, it does nothing.
And, it has been there for several years, maybe 6 years.

Remove it to keep code clearer.

Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 4 deletions

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d6954e318324..1d0ab5570904 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1636,10 +1636,8 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
                 opt_skb = skb_clone(skb, GFP_ATOMIC);
 
         if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
-                TCP_CHECK_TIMER(sk);
                 if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len))
                         goto reset;
-                TCP_CHECK_TIMER(sk);
                 if (opt_skb)
                         goto ipv6_pktoptions;
                 return 0;
@@ -1667,10 +1665,8 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
                 }
         }
 
-        TCP_CHECK_TIMER(sk);
         if (tcp_rcv_state_process(sk, skb, tcp_hdr(skb), skb->len))
                 goto reset;
-        TCP_CHECK_TIMER(sk);
         if (opt_skb)
                 goto ipv6_pktoptions;
         return 0;