From 614052f0c67842118765104aff8d119db3c380db Mon Sep 17 00:00:00 2001
From: jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 5 Sep 2010 20:17:23 +0000
Subject: [package] firewall: 	- fix possible endless loop when the family
 option is used for forwardings 	- only generate forwarding rules in
 SNAT redirect sections if src_dip is specified

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22938 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/firewall/files/lib/fw.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'package/firewall/files/lib/fw.sh')

diff --git a/package/firewall/files/lib/fw.sh b/package/firewall/files/lib/fw.sh
index 819aa48ea..aaf3d14ef 100644
--- a/package/firewall/files/lib/fw.sh
+++ b/package/firewall/files/lib/fw.sh
@@ -149,7 +149,7 @@ fw__exec() { # <action> <family> <table> <chain> <target> <position> { <rules> }
 	fi
 
 	case "$fam" in
-		G*) shift; while [ "$1" != "{" ]; do shift; done ;;
+		G*) shift; while [ $# -gt 0 ] && [ "$1" != "{" ]; do shift; done ;;
 	esac
 
 	if [ $# -gt 0 ]; then
-- 
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