add checks for {ip,ip6}addr in the network config

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6099 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index f3ead6a..96890ac 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -117,8 +117,8 @@ setup_interface() {
                        config_get gateway "$config" gateway
                        config_get dns "$config" dns
                        
-                       $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
-                       $DEBUG ifconfig "$iface" inet6 add "$ip6addr" 
+                       [ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
+                       [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" inet6 add "$ip6addr" 
                        [ -z "$gateway" ] || route add default gw "$gateway"
                        [ -z "$dns" -o -f /tmp/resolv.conf.auto ] || {
                                for ns in $dns; do