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

SVN-Revision: 27198
lede-17.01
Jo-Philipp Wich 2011-06-16 22:18:45 +00:00
parent c014101d73
commit 9f37422f2f
1 changed files with 1 additions and 0 deletions
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package/firewall/files/lib/fw.sh
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@ -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
}