fix bogus "interface not found" errors in ifup -a (#1580)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6949 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/sbin/ifdown b/package/base-files/files/sbin/ifdown
index e00a4e3..8c36a25 100755 (executable)
--- a/package/base-files/files/sbin/ifdown
+++ b/package/base-files/files/sbin/ifdown
@@ -5,7 +5,7 @@
 [ $# = 0 ] && { echo "  $0 <group>"; exit; }
 [ "x$1" = "x-a" ] && {
        config_cb() {
-               [ -z "$2" ] || eval "$0 $2"
+               [ interface != "$1" -o -z "$2" ] || eval "$0 $2"
        }
        config_load network
        exit