[package] base-files: fix error reporting for unsupported protocols on virtual interfaces

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27132 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/lib/network/config.sh

@@ -325,7 +325,7 @@ setup_interface() {
 	}
 
 	# Interface settings
-	grep "$iface:" /proc/net/dev > /dev/null && {
+	grep -qE "^ *$iface:" /proc/net/dev && {
 		local mtu macaddr txqueuelen
 		config_get mtu "$config" mtu
 		config_get macaddr "$config" macaddr

package/base-files/files/sbin/ifup

@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006-2011 OpenWrt.org
 
 /sbin/ifdown "$@"
 
@@ -18,6 +18,6 @@ include /lib/network
 scan_interfaces
 
 config_get ifname "$1" device
-for dev in $ifname; do
+for dev in ${ifname:-$1}; do
 	setup_interface "$dev" "$1"
 done