From e55b9169d18f51fec0759f3142542c513c67c5d3 Mon Sep 17 00:00:00 2001
From: yamt <yamt@NetBSD.org>
Date: Mon, 7 Mar 2005 10:27:39 +0000
Subject: [PATCH] tcp_sack_option: fix the cases that some sack blocks go into
 a hole.

---
 sys/netinet/tcp_sack.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/sys/netinet/tcp_sack.c b/sys/netinet/tcp_sack.c
index d2002c733869..8b2cab2a252b 100644
--- a/sys/netinet/tcp_sack.c
+++ b/sys/netinet/tcp_sack.c
@@ -1,4 +1,4 @@
-/* $NetBSD: tcp_sack.c,v 1.6 2005/03/07 09:40:35 yamt Exp $ */
+/* $NetBSD: tcp_sack.c,v 1.7 2005/03/07 10:27:39 yamt Exp $ */
 
 /*
  * Copyright (c) 2005 The NetBSD Foundation, Inc.
@@ -109,7 +109,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tcp_sack.c,v 1.6 2005/03/07 09:40:35 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tcp_sack.c,v 1.7 2005/03/07 10:27:39 yamt Exp $");
 
 #include "opt_inet.h"
 #include "opt_ipsec.h"
@@ -330,7 +330,6 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen)
 				/* Otherwise, move start of hole forward */
 				cur->start = sack->right;
 				cur->rxmit = SEQ_MAX(cur->rxmit, cur->start);
-				cur = TAILQ_NEXT(cur, sackhole_q);
 				break;
 			}
 
@@ -361,7 +360,7 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen)
 				cur->rxmit = SEQ_MIN(cur->rxmit, cur->end);
 				TAILQ_INSERT_AFTER(&tp->snd_holes, cur, tmp,
 						sackhole_q);
-				cur = TAILQ_NEXT(tmp, sackhole_q);
+				cur = tmp;
 				break;
 			}
 		}