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-rw-r--r--net/tipc/socket.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index da5fb84852a6..41688da233ab 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -540,12 +540,10 @@ static void __tipc_shutdown(struct socket *sock, int error)
tipc_wait_for_cond(sock, &timeout, (!tsk->cong_link_cnt &&
!tsk_conn_cong(tsk)));
- /* Push out unsent messages or remove if pending SYN */
- skb = skb_peek(&sk->sk_write_queue);
- if (skb && !msg_is_syn(buf_msg(skb)))
- tipc_sk_push_backlog(tsk);
- else
- __skb_queue_purge(&sk->sk_write_queue);
+ /* Push out delayed messages if in Nagle mode */
+ tipc_sk_push_backlog(tsk);
+ /* Remove pending SYN */
+ __skb_queue_purge(&sk->sk_write_queue);
/* Reject all unreceived messages, except on an active connection
* (which disconnects locally & sends a 'FIN+' to peer).
@@ -1248,9 +1246,14 @@ static void tipc_sk_push_backlog(struct tipc_sock *tsk)
struct sk_buff_head *txq = &tsk->sk.sk_write_queue;
struct net *net = sock_net(&tsk->sk);
u32 dnode = tsk_peer_node(tsk);
+ struct sk_buff *skb = skb_peek(txq);
int rc;
- if (skb_queue_empty(txq) || tsk->cong_link_cnt)
+ if (!skb || tsk->cong_link_cnt)
+ return;
+
+ /* Do not send SYN again after congestion */
+ if (msg_is_syn(buf_msg(skb)))
return;
tsk->snt_unacked += tsk->snd_backlog;