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tcp: fix off-by-one bug on aborting window-probing socket

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[ Upstream commit 3976535af0 ]

Previously there is an off-by-one bug on determining when to abort
a stalled window-probing socket. This patch fixes that so it is
consistent with tcp_write_timeout().

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yuchung Cheng
2018-11-28 16:06:43 -08:00
committed by Chris
parent 927cd9666e
commit b47693bead
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp_timer.c
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@@ -423,7 +423,7 @@ static void tcp_probe_timer(struct sock *sk)
return;
}
if (icsk->icsk_probes_out > max_probes) {
if (icsk->icsk_probes_out >= max_probes) {
abort: tcp_write_err(sk);
} else {
/* Only send another probe if we didn't close things up. */