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authorEric Dumazet <edumazet@google.com>2020-01-31 09:14:47 -0800
committerBen Hutchings <ben@decadent.org.uk>2020-05-22 21:19:40 +0100
commit8da4e542bec5de40ceb7b6f429bbce466f9286f8 (patch)
tree09e5d478692ab69450f8fda2293ca1c4046cac73
parentbb0e937f14db6304bb5f57cf2083310c15bbada3 (diff)
downloadlinux-stable-8da4e542bec5de40ceb7b6f429bbce466f9286f8.tar.gz
tcp: clear tp->total_retrans in tcp_disconnect()
commit c13c48c00a6bc1febc73902505bdec0967bd7095 upstream. 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: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--net/ipv4/tcp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index e16ae4249199c..e87ddcbb46f2e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2363,6 +2363,7 @@ int tcp_disconnect(struct sock *sk, int flags)
tp->window_clamp = 0;
tcp_set_ca_state(sk, TCP_CA_Open);
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()