From a0dffa787d3ca6ca8d51d5a46ae44c69da1fd39b Mon Sep 17 00:00:00 2001
From: Tom Eastep <teastep@shorewall.net>
Date: Mon, 16 Aug 2010 19:17:44 -0700
Subject: [PATCH] Add an assertion

---
 Shorewall/Perl/Shorewall/Chains.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Shorewall/Perl/Shorewall/Chains.pm b/Shorewall/Perl/Shorewall/Chains.pm
index a1332351e..4274d992b 100644
--- a/Shorewall/Perl/Shorewall/Chains.pm
+++ b/Shorewall/Perl/Shorewall/Chains.pm
@@ -1084,6 +1084,8 @@ sub delete_jumps ( $$ ) {
 	}
     }
 
+    assert( ! $refs );
+
     delete $toref->{references}{$from};
 
     unless ( @{$toref->{rules}} ) {