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tcp: clear tp->total_retrans in tcp_disconnect() 

[ Upstream commit c13c48c00a ]

total_retrans needs to be cleared in tcp_disconnect().

tcp_disconnect() is rarely used, but it is worth fixing it.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: SeongJae Park <sjpark@amazon.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Eric Dumazet 2020-01-31 09:14:47 -08:00 committed by Greg Kroah-Hartman
parent 269a3c472a
commit c9b6c6d07e
1 changed files with 1 additions and 0 deletions
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net/ipv4/tcp.c
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@ -2622,6 +2622,7 @@ int tcp_disconnect(struct sock *sk, int flags)
tcp_set_ca_state(sk, TCP_CA_Open);
tp->is_sack_reneg = 0;
tcp_clear_retrans(tp);
tp->total_retrans = 0;
inet_csk_delack_init(sk);
/* Initialize rcv_mss to TCP_MIN_MSS to avoid division by 0
* issue in __tcp_select_window()