linux-kernel - [PATCH net-next] tcp: use REXMIT

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Date:   Thu, 2 Jan 2020 22:02:27 +0800
From:   Mao Wenan <maowenan@...wei.com>
To:     <edumazet@...gle.com>, <davem@...emloft.net>,
        <kuznet@....inr.ac.ru>, <yoshfuji@...ux-ipv6.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH net-next] tcp: use REXMIT_NEW instead of magic number

REXMIT_NEW is a macro for "FRTO-style
transmit of unsent/new packets", this patch
makes it more readable.

Signed-off-by: Mao Wenan <maowenan@...wei.com>
---
 net/ipv4/tcp_input.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 88b987ca9ebb..1d1e3493965f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3550,7 +3550,7 @@ static void tcp_xmit_recovery(struct sock *sk, int rexmit)
 	if (rexmit == REXMIT_NONE || sk->sk_state == TCP_SYN_SENT)
 		return;
 
-	if (unlikely(rexmit == 2)) {
+	if (unlikely(rexmit == REXMIT_NEW)) {
 		__tcp_push_pending_frames(sk, tcp_current_mss(sk),
 					  TCP_NAGLE_OFF);
 		if (after(tp->snd_nxt, tp->high_seq))
-- 
2.20.1