From 3ccd3130b3f681a4aef6392327256786b3b6aa04 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 31 Dec 2007 04:43:32 -0800 Subject: [PATCH] [TCP]: Make invariant check complain about invalid sacked_out MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Earlier resolution for NewReno's sacked_out should now keep it small enough for this to become invariant-like check. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 722c9cbb91e3..41f4b862319d 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2504,11 +2504,8 @@ tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag) (tcp_fackets_out(tp) > tp->reordering)); int fast_rexmit = 0; - /* Some technical things: - * 1. Reno does not count dupacks (sacked_out) automatically. */ - if (!tp->packets_out) + if (WARN_ON(!tp->packets_out && tp->sacked_out)) tp->sacked_out = 0; - if (WARN_ON(!tp->sacked_out && tp->fackets_out)) tp->fackets_out = 0; -- 2.30.2