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Message-Id: <20200210122407.475689871@linuxfoundation.org>
Date: Mon, 10 Feb 2020 04:29:31 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
Yuchung Cheng <ycheng@...gle.com>,
Neal Cardwell <ncardwell@...gle.com>,
Soheil Hassas Yeganeh <soheil@...gle.com>,
Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.4 015/309] tcp: clear tp->delivered in tcp_disconnect()
From: Eric Dumazet <edumazet@...gle.com>
[ Upstream commit 2fbdd56251b5c62f96589f39eded277260de7267 ]
tp->delivered needs to be cleared in tcp_disconnect().
tcp_disconnect() is rarely used, but it is worth fixing it.
Fixes: ddf1af6fa00e ("tcp: new delivery accounting")
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Cc: Yuchung Cheng <ycheng@...gle.com>
Cc: Neal Cardwell <ncardwell@...gle.com>
Acked-by: Yuchung Cheng <ycheng@...gle.com>
Acked-by: Neal Cardwell <ncardwell@...gle.com>
Acked-by: Soheil Hassas Yeganeh <soheil@...gle.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
net/ipv4/tcp.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2618,6 +2618,7 @@ int tcp_disconnect(struct sock *sk, int
tp->snd_cwnd = TCP_INIT_CWND;
tp->snd_cwnd_cnt = 0;
tp->window_clamp = 0;
+ tp->delivered = 0;
tp->delivered_ce = 0;
tcp_set_ca_state(sk, TCP_CA_Open);
tp->is_sack_reneg = 0;
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