From ab17a8ba5189d66707feeb49b3802e5f12d602d1 Mon Sep 17 00:00:00 2001
From: teastep <teastep@fbd18981-670d-0410-9b5c-8dc0c1a9a2bb>
Date: Sun, 22 Apr 2007 14:21:48 +0000
Subject: [PATCH] Fix multi-zone interface handling broken by 'detectnets' work

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@6057 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
---
 Shorewall-perl/Shorewall/Interfaces.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Shorewall-perl/Shorewall/Interfaces.pm b/Shorewall-perl/Shorewall/Interfaces.pm
index f1d8596be..d4dba4e19 100644
--- a/Shorewall-perl/Shorewall/Interfaces.pm
+++ b/Shorewall-perl/Shorewall/Interfaces.pm
@@ -266,7 +266,7 @@ sub validate_interfaces_file()
 	    @networks = @allipv4;
 	}
 
-	add_group_to_zone( $zone, $zoneref->{type}, $interface, \@networks, $optionsref ) if @networks;
+	add_group_to_zone( $zone, $zoneref->{type}, $interface, \@networks, $optionsref ) if $zone && @networks;
 
     	$interfaces{$interface}{zone} = $zone; #Must follow the call to add_group_to_zone()