svn commit: r195085 - user/kmacy/releng_7_2_fcs/sys/net

Kip Macy kmacy at FreeBSD.org
Sat Jun 27 00:40:56 UTC 2009


Author: kmacy
Date: Sat Jun 27 00:40:55 2009
New Revision: 195085
URL: http://svn.freebsd.org/changeset/base/195085

Log:
  strengthen reference count checks

Modified:
  user/kmacy/releng_7_2_fcs/sys/net/route.h

Modified: user/kmacy/releng_7_2_fcs/sys/net/route.h
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/net/route.h	Sat Jun 27 00:38:38 2009	(r195084)
+++ user/kmacy/releng_7_2_fcs/sys/net/route.h	Sat Jun 27 00:40:55 2009	(r195085)
@@ -329,7 +329,7 @@ struct rt_addrinfo {
 
 #define	RT_ADDREF(_rt)	do {					\
 	RT_LOCK_ASSERT(_rt);					\
-	KASSERT((_rt)->rt_refcnt >= 0,				\
+	KASSERT((_rt)->rt_refcnt >= 1,				\
 		("negative refcnt %d", (_rt)->rt_refcnt));	\
 	(_rt)->rt_refcnt++;					\
 } while (0)
@@ -344,7 +344,7 @@ struct rt_addrinfo {
 
 #define	RTFREE_LOCKED(_rt) do {					\
 	RT_LOCK_ASSERT(_rt);					\
-	if ((_rt)->rt_refcnt <= 1) {				\
+	if ((_rt)->rt_refcnt == 1) {				\
 		rtfree(_rt);					\
 	} else {						\
 		RT_REMREF(_rt);					\


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