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Message-Id: <1727849643-11648-1-git-send-email-guoxin0309@gmail.com>
Date: Wed, 2 Oct 2024 14:14:03 +0800
From: "xin.guo" <guoxin0309@...il.com>
To: edumazet@...gle.com
Cc: netdev@...r.kernel.org,
"xin.guo" <guoxin0309@...il.com>
Subject: [PATCH net-next] tcp: remove unnecessary update for tp->write_seq in tcp_connect()
From: "xin.guo" <guoxin0309@...il.com>
Commit 783237e8daf13("net-tcp: Fast Open client - sending SYN-data")
introduce tcp_connect_queue_skb() and it would overwrite tcp->write_seq,
so it is no need to update tp->write_seq before invoking
tcp_connect_queue_skb()
Signed-off-by: xin.guo <guoxin0309@...il.com>
---
net/ipv4/tcp_output.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 4fd746b..f255c7d 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -4134,7 +4134,7 @@ int tcp_connect(struct sock *sk)
if (unlikely(!buff))
return -ENOBUFS;
- tcp_init_nondata_skb(buff, tp->write_seq++, TCPHDR_SYN);
+ tcp_init_nondata_skb(buff, tp->write_seq, TCPHDR_SYN);
tcp_mstamp_refresh(tp);
tp->retrans_stamp = tcp_time_stamp_ts(tp);
tcp_connect_queue_skb(sk, buff);
--
1.8.3.1
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