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, 9 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f9867d2dbef4..a17a5a72b98d 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -873,9 +873,7 @@ int tcp_sendpage(struct sock *sk, struct page *page, int offset,
                                         flags);
 
         lock_sock(sk);
-        TCP_CHECK_TIMER(sk);
         res = do_tcp_sendpages(sk, &page, offset, size, flags);
-        TCP_CHECK_TIMER(sk);
         release_sock(sk);
         return res;
 }
@@ -916,7 +914,6 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
         long timeo;
 
         lock_sock(sk);
-        TCP_CHECK_TIMER(sk);
 
         flags = msg->msg_flags;
         timeo = sock_sndtimeo(sk, flags & MSG_DONTWAIT);
@@ -1104,7 +1101,6 @@ wait_for_memory:
 out:
         if (copied)
                 tcp_push(sk, flags, mss_now, tp->nonagle);
-        TCP_CHECK_TIMER(sk);
         release_sock(sk);
         return copied;
 
@@ -1123,7 +1119,6 @@ do_error:
                 goto out;
 out_err:
         err = sk_stream_error(sk, flags, err);
-        TCP_CHECK_TIMER(sk);
         release_sock(sk);
         return err;
 }
@@ -1415,8 +1410,6 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
         lock_sock(sk);
 
-        TCP_CHECK_TIMER(sk);
-
         err = -ENOTCONN;
         if (sk->sk_state == TCP_LISTEN)
                 goto out;
@@ -1767,12 +1760,10 @@ skip_copy:
         /* Clean up data we have read: This will do ACK frames. */
         tcp_cleanup_rbuf(sk, copied);
 
-        TCP_CHECK_TIMER(sk);
         release_sock(sk);
         return copied;
 
 out:
-        TCP_CHECK_TIMER(sk);
         release_sock(sk);
         return err;