net: remove function sk_reset_txq()

What sk_reset_txq() does is just calls function sk_tx_queue_reset(),
and sk_reset_txq() is used only in sock.h, by dst_negative_advice().
Let dst_negative_advice() calls sk_tx_queue_reset() directly so we
can remove unneeded sk_reset_txq().

Signed-off-by: ZHAO Gang <gamerh2o@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/sock.h b/include/net/sock.h
index 86bb066..c93542f 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1746,8 +1746,6 @@ sk_dst_get(struct sock *sk)
        return dst;
 }
 
-void sk_reset_txq(struct sock *sk);
-
 static inline void dst_negative_advice(struct sock *sk)
 {
        struct dst_entry *ndst, *dst = __sk_dst_get(sk);
@@ -1757,7 +1755,7 @@ static inline void dst_negative_advice(struct sock *sk)
 
                if (ndst != dst) {
                        rcu_assign_pointer(sk->sk_dst_cache, ndst);
-                       sk_reset_txq(sk);
+                       sk_tx_queue_clear(sk);
                }
        }
 }

diff --git a/net/core/sock.c b/net/core/sock.c
index 440afdc..ab20ed9 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -475,12 +475,6 @@ discard_and_relse:
 }
 EXPORT_SYMBOL(sk_receive_skb);
 
-void sk_reset_txq(struct sock *sk)
-{
-       sk_tx_queue_clear(sk);
-}
-EXPORT_SYMBOL(sk_reset_txq);
-
 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
 {
        struct dst_entry *dst = __sk_dst_get(sk);