base-files: properly handle wifi ifaces with no network attached, useful for unmanaged interfaces like used for batman or monitoring

SVN-Revision: 28860

package/base-files/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=base-files
-PKG_RELEASE:=88
+PKG_RELEASE:=89
 
 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
 PKG_BUILD_DEPENDS:=opkg/host

package/base-files/files/sbin/wifi

@@ -129,9 +129,11 @@ start_net() {(
 	local vifmac="$3"
 
 	[ -f "/var/run/$iface.pid" ] && kill "$(cat /var/run/${iface}.pid)" 2>/dev/null
-	include /lib/network
-	scan_interfaces
-	setup_interface "$iface" "$config" "" "$vifmac"
+	[ -z "$config" ] || {
+		include /lib/network
+		scan_interfaces
+		setup_interface "$iface" "$config" "" "$vifmac"
+	}
 )}
 
 set_wifi_up() {