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, 5 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index e2b9be27f226..ef5a90beb9b0 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1556,12 +1556,10 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
 
         if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
                 sock_rps_save_rxhash(sk, skb->rxhash);
-                TCP_CHECK_TIMER(sk);
                 if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len)) {
                         rsk = sk;
                         goto reset;
                 }
-                TCP_CHECK_TIMER(sk);
                 return 0;
         }
 
@@ -1583,13 +1581,10 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
         } else
                 sock_rps_save_rxhash(sk, skb->rxhash);
 
-
-        TCP_CHECK_TIMER(sk);
         if (tcp_rcv_state_process(sk, skb, tcp_hdr(skb), skb->len)) {
                 rsk = sk;
                 goto reset;
         }
-        TCP_CHECK_TIMER(sk);
         return 0;
 
 reset: