From 6a151fcce1fbe8acfb34180fad6322b162bfbf5e Mon Sep 17 00:00:00 2001
From: itojun <itojun@NetBSD.org>
Date: Tue, 12 Nov 2002 01:57:07 +0000
Subject: [PATCH] ckout previous - doesn't compile

---
 sys/netinet/ip_input.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index b9d3be7243a9..bc2139e82526 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ip_input.c,v 1.161 2002/11/12 01:38:09 itojun Exp $	*/
+/*	$NetBSD: ip_input.c,v 1.162 2002/11/12 01:57:07 itojun Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -102,7 +102,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.161 2002/11/12 01:38:09 itojun Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.162 2002/11/12 01:57:07 itojun Exp $");
 
 #include "opt_gateway.h"
 #include "opt_pfil_hooks.h"
@@ -1826,8 +1826,13 @@ ip_sysctl(name, namelen, oldp, oldlenp, newp, newlen)
 	case IPCTL_MTUDISC:
 		error = sysctl_int(oldp, oldlenp, newp, newlen,
 		    &ip_mtudisc);
-		if (ip_mtudisc == 0)
-			rt_timer_queue_remove_all(ip_mtudisc_timeout_q, TRUE);
+		if (ip_mtudisc != 0 && ip_mtudisc_timeout_q == NULL) {
+			ip_mtudisc_timeout_q =
+			    rt_timer_queue_create(ip_mtudisc_timeout);
+		} else if (ip_mtudisc == 0 && ip_mtudisc_timeout_q != NULL) {
+			rt_timer_queue_destroy(ip_mtudisc_timeout_q, TRUE);
+			ip_mtudisc_timeout_q = NULL;
+		}
 		return error;
 	case IPCTL_ANONPORTMIN:
 		old = anonportmin;
@@ -1863,7 +1868,9 @@ ip_sysctl(name, namelen, oldp, oldlenp, newp, newlen)
 			ip_mtudisc_timeout = old;
 			return (EINVAL);
 		}
-		rt_timer_queue_change(ip_mtudisc_timeout_q, ip_mtudisc_timeout);
+		if (ip_mtudisc_timeout_q != NULL)
+			rt_timer_queue_change(ip_mtudisc_timeout_q,
+					      ip_mtudisc_timeout);
 		return (error);
 #ifdef GATEWAY
 	case IPCTL_MAXFLOWS: