From: Jo-Philipp Wich <jow@openwrt.org>
Date: Thu, 16 Jun 2011 22:18:45 +0000 (+0000)
Subject: firewall: ensure that fw_get_subnet4() sets an empty value if no (valid) IPv4 addr... 
X-Git-Tag: v19.07.0-rc1~27202
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=9f37422f2f0049a94ea98ea2037aba7250552642;p=openwrt%2Fstaging%2Fhauke.git

firewall: ensure that fw_get_subnet4() sets an empty value if no (valid) IPv4 addr was found

SVN-Revision: 27198
---

diff --git a/package/firewall/files/lib/fw.sh b/package/firewall/files/lib/fw.sh
index 19dddef443..896947241a 100644
--- a/package/firewall/files/lib/fw.sh
+++ b/package/firewall/files/lib/fw.sh
@@ -242,5 +242,6 @@ fw_get_subnet4() {
 				export -n -- "$_var=! $_flag $_ipaddr/${_netmask:-255.255.255.255}" || \
 				export -n -- "$_var=$_flag $_ipaddr/${_netmask:-255.255.255.255}"
 		;;
+		*) export -n -- "$_var=" ;;
 	esac
 }