netdev - [PATCH 08/10] tcp: move some parts from tcp_write

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Message-Id: <1228510736-3655-9-git-send-email-ilpo.jarvinen@helsinki.fi>
Date:	Fri,  5 Dec 2008 22:58:54 +0200
From:	"Ilpo JÃ¤rvinen" <ilpo.jarvinen@...sinki.fi>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org,
	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Subject: [PATCH 08/10] tcp: move some parts from tcp_write_xmit

Signed-off-by: Ilpo JÃ¤rvinen <ilpo.jarvinen@...sinki.fi>
---
 net/ipv4/tcp_output.c |   23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0744b9f..59505ce 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1527,13 +1527,6 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
 	int cwnd_quota;
 	int result;
 
-	/* If we are closed, the bytes will have to remain here.
-	 * In time closedown will finish, we empty the write queue and all
-	 * will be happy.
-	 */
-	if (unlikely(sk->sk_state == TCP_CLOSE))
-		return 0;
-
 	sent_pkts = 0;
 
 	/* Do MTU probing. */
@@ -1605,10 +1598,18 @@ void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss,
 {
 	struct sk_buff *skb = tcp_send_head(sk);
 
-	if (skb) {
-		if (tcp_write_xmit(sk, cur_mss, nonagle))
-			tcp_check_probe_timer(sk);
-	}
+	if (!skb)
+		return;
+
+	/* If we are closed, the bytes will have to remain here.
+	 * In time closedown will finish, we empty the write queue and
+	 * all will be happy.
+	 */
+	if (unlikely(sk->sk_state == TCP_CLOSE))
+		return;
+
+	if (tcp_write_xmit(sk, cur_mss, nonagle))
+		tcp_check_probe_timer(sk);
 }
 
 /* Send _single_ skb sitting at the send head. This function requires
-- 
1.5.2.2

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