tcp: clear tp->total_retrans in tcp_disconnect()

[ Upstream commit c13c48c00a6bc1febc73902505bdec0967bd7095 ]

total_retrans needs to be cleared in tcp_disconnect().

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

Fixes: 1da177e4c3f4 ("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>

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 3640e8563a1039726c1732b7f061cda542f84f9d..554ec2f92792459ade8cfea342aae8f5131892ca 100644 (file)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -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()