add support for interfaces with ipv6, but no ipv4 (patch from #2695)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9545 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 f07d926..6856582 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -146,9 +146,9 @@ setup_interface() {
                static)
                        config_get ipaddr "$config" ipaddr
                        config_get netmask "$config" netmask
-                       [ -z "$ipaddr" -o -z "$netmask" ] && return 1
-                       
                        config_get ip6addr "$config" ip6addr
+                       [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
+                       
                        config_get gateway "$config" gateway
                        config_get dns "$config" dns
                        config_get bcast "$config" broadcast