From 016537f6314c88f339806ed13d0bc7a00022d5fd Mon Sep 17 00:00:00 2001
From: Tom Eastep <teastep@shorewall.net>
Date: Mon, 16 Nov 2009 10:58:38 -0800
Subject: [PATCH] Don't add route rules when interface is down

---
 Shorewall/Perl/Shorewall/Providers.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Shorewall/Perl/Shorewall/Providers.pm b/Shorewall/Perl/Shorewall/Providers.pm
index f7fccc3fa..0db05c993 100644
--- a/Shorewall/Perl/Shorewall/Providers.pm
+++ b/Shorewall/Perl/Shorewall/Providers.pm
@@ -601,7 +601,7 @@ sub add_an_rtrule( ) {
 
     if ( $optional ) {
 	my $base = uc chain_base( $providers{$provider}{physical} );
-	emit ( '', "if [ -n \$${base}_IS_USABLE ]; then" );
+	emit ( '', qq(if [ -n "\$${base}_IS_USABLE" ]; then) );
 	push_indent;
     }