From 19735667507e6a1e06b504bd565f927488d6580d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilpo=20J=E4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Mon, 19 Nov 2007 23:24:09 -0800
Subject: [PATCH] --- yaml --- r: 74194 b: refs/heads/master c:
 6e42141009ff18297fe19d19296738b742f861db h: refs/heads/master v: v3

---
 [refs]                      | 2 +-
 trunk/include/net/tcp.h     | 3 +++
 trunk/net/ipv4/tcp_output.c | 1 -
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 2858f4c4179e..9b6853edd4fc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1f8170b0ecd8363847792b3b1f269e9d8e10391a
+refs/heads/master: 6e42141009ff18297fe19d19296738b742f861db
diff --git a/trunk/include/net/tcp.h b/trunk/include/net/tcp.h
index d695cea7730d..cb5b033e0e59 100644
--- a/trunk/include/net/tcp.h
+++ b/trunk/include/net/tcp.h
@@ -1288,6 +1288,9 @@ static inline void tcp_insert_write_queue_before(struct sk_buff *new,
 						  struct sock *sk)
 {
 	__skb_insert(new, skb->prev, skb, &sk->sk_write_queue);
+
+	if (sk->sk_send_head == skb)
+		sk->sk_send_head = new;
 }
 
 static inline void tcp_unlink_write_queue(struct sk_buff *skb, struct sock *sk)
diff --git a/trunk/net/ipv4/tcp_output.c b/trunk/net/ipv4/tcp_output.c
index 324b4207254a..e48e28e7d539 100644
--- a/trunk/net/ipv4/tcp_output.c
+++ b/trunk/net/ipv4/tcp_output.c
@@ -1352,7 +1352,6 @@ static int tcp_mtu_probe(struct sock *sk)
 
 	skb = tcp_send_head(sk);
 	tcp_insert_write_queue_before(nskb, skb, sk);
-	tcp_advance_send_head(sk, skb);
 
 	TCP_SKB_CB(nskb)->seq = TCP_SKB_CB(skb)->seq;
 	TCP_SKB_CB(nskb)->end_seq = TCP_SKB_CB(skb)->seq + probe_size;