[PATCH v2] tcp: Remove the unused api

[Tao Chen]

Last tcp_write_queue_head() use was removed in commit
114f39feab36 ("tcp: restore autocorking"), so remove it.

Signed-off-by: Tao Chen <chentao3@xxxxxxxxxxx>
---
 include/net/tcp.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index b9fc978fb2ca..a4cebb7f6f9b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1817,11 +1817,6 @@ static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
 	return skb_rb_last(&sk->tcp_rtx_queue);
 }
 
-static inline struct sk_buff *tcp_write_queue_head(const struct sock *sk)
-{
-	return skb_peek(&sk->sk_write_queue);
-}
-
 static inline struct sk_buff *tcp_write_queue_tail(const struct sock *sk)
 {
 	return skb_peek_tail(&sk->sk_write_queue);
-- 
2.17.1