small cleanup

SVN-Revision: 6663

package/base-files/files/sbin/wifi

@@ -71,6 +71,8 @@ start_net() {(
 	setup_interface "$1" "$2"
 )}
 
+scan_wifi() {
+	local cfgfile="$1"
 	config_cb() {
 		config_get TYPE "$CONFIG_SECTION" TYPE
 		case "$TYPE" in
@@ -85,11 +87,13 @@ config_cb() {
 			;;
 		esac
 	}
+	config_load "${cfgfile:-wireless}"
+}
 
 DEVICES=
 DRIVERS=
-config_load wireless
 include /lib/wifi
+scan_wifi
 
 case "$1" in
 	down) wifi_updown "disable" "$2";;