From 5ab58aa39c43eca75866fc478445821bb45b4125 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 5 Sep 2010 20:17:23 +0000
Subject: 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

SVN-Revision: 22938
---
 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 819aa48..aaf3d14 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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