Module Name:    src
Committed By:   rmind
Date:           Fri Jun  6 01:27:32 UTC 2014

Modified Files:
        src/sys/net: route.c

Log Message:
rtfree: let's assert for a non-negative reference count and see what happens.


To generate a diff of this commit:
cvs rdiff -u -r1.131 -r1.132 src/sys/net/route.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/net/route.c
diff -u src/sys/net/route.c:1.131 src/sys/net/route.c:1.132
--- src/sys/net/route.c:1.131	Fri Jun  6 01:02:47 2014
+++ src/sys/net/route.c	Fri Jun  6 01:27:32 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: route.c,v 1.131 2014/06/06 01:02:47 rmind Exp $	*/
+/*	$NetBSD: route.c,v 1.132 2014/06/06 01:27:32 rmind Exp $	*/
 
 /*-
  * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
@@ -93,7 +93,7 @@
 #include "opt_route.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.131 2014/06/06 01:02:47 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.132 2014/06/06 01:27:32 rmind Exp $");
 
 #include <sys/param.h>
 #include <sys/kmem.h>
@@ -376,16 +376,13 @@ rtfree(struct rtentry *rt)
 {
 	struct ifaddr *ifa;
 
-	if (rt == NULL)
-		panic("rtfree");
+	KASSERT(rt != NULL);
+	KASSERT(rt->rt_refcnt > 0);
+
 	rt->rt_refcnt--;
-	if (rt->rt_refcnt <= 0 && (rt->rt_flags & RTF_UP) == 0) {
+	if (rt->rt_refcnt == 0 && (rt->rt_flags & RTF_UP) == 0) {
 		rt_assert_inactive(rt);
 		rttrash--;
-		if (rt->rt_refcnt < 0) {
-			printf("rtfree: %p not freed (neg refs)\n", rt);
-			return;
-		}
 		rt_timer_remove_all(rt, 0);
 		ifa = rt->rt_ifa;
 		rt->rt_ifa = NULL;

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