[TCP]: Do not bump backoff too high during 0-window probes.

ac1a6df6 · David S. Miller · 81f29fc7 · ac1a6df6
Commit ac1a6df6 authored Feb 10, 2003 by David S. Miller
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net/ipv4/tcp_output.c net/ipv4/tcp_output.c +2 -1

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--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1522,6 +1522,7 @@ void tcp_send_probe0(struct sock *sk)
 	}

 	if (err <= 0) {
+		if (tp->backoff < sysctl_tcp_retries2)
 			tp->backoff++;
 		tp->probes_out++;
 		tcp_reset_xmit_timer (sk, TCP_TIME_PROBE0,