tcp: get rid of tcp_check_send_head()

This helper is used only once, and its name is no longer relevant.

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

diff --git a/include/net/tcp.h b/include/net/tcp.h
index a6e0355..813042c 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1716,12 +1716,6 @@ static inline bool tcp_rtx_and_write_queues_empty(const struct sock *sk)
        return tcp_rtx_queue_empty(sk) && tcp_write_queue_empty(sk);
 }
 
-static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unlinked)
-{
-       if (tcp_write_queue_empty(sk))
-               tcp_chrono_stop(sk, TCP_CHRONO_BUSY);
-}
-
 static inline void __tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb)
 {
        __skb_queue_tail(&sk->sk_write_queue, skb);

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 769508c..e2fa6eb 100644 (file)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1412,7 +1412,8 @@ do_fault:
                /* It is the one place in all of TCP, except connection
                 * reset, where we can be unlinking the send_head.
                 */
-               tcp_check_send_head(sk, skb);
+               if (tcp_write_queue_empty(sk))
+                       tcp_chrono_stop(sk, TCP_CHRONO_BUSY);
                sk_wmem_free_skb(sk, skb);
        }