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From: Cy Schubert <cy@FreeBSD.org>
Date: Tue, 20 Oct 2015 13:20:30 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r289628 - stable/10/sys/contrib/ipfilter/netinet
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Author: cy
Date: Tue Oct 20 13:20:29 2015
New Revision: 289628
URL: https://svnweb.freebsd.org/changeset/base/289628

Log:
  MFC r289480. Really fix ipfilter bug 3600459.
  
  Obtained from:	ipfilter cvs repo r1.48.2.25, r1.72 and NetBSD repo r1.4

Modified:
  stable/10/sys/contrib/ipfilter/netinet/ip_state.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/contrib/ipfilter/netinet/ip_state.c
==============================================================================
--- stable/10/sys/contrib/ipfilter/netinet/ip_state.c	Tue Oct 20 12:49:38 2015	(r289627)
+++ stable/10/sys/contrib/ipfilter/netinet/ip_state.c	Tue Oct 20 13:20:29 2015	(r289628)
@@ -3650,7 +3650,6 @@ ipf_state_del(softc, is, why)
 	if (is->is_ref > 0) {
 		int refs;
 
-		is->is_ref--;
 		refs = is->is_ref;
 		MUTEX_EXIT(&is->is_lock);
 		if (!orphan)
@@ -3667,7 +3666,7 @@ ipf_state_del(softc, is, why)
 		}
 	}
 
-	is->is_ref = 0;
+	ASSERT(is->is_ref == 0);
 	MUTEX_EXIT(&is->is_lock);
 
 	if (is->is_tqehead[0] != NULL) {