diff --git a/[refs] b/[refs]
index 9b9d7c28c73a..451c97d421eb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2015d1920c6ec637b16db1e8734d9070983db21f
+refs/heads/master: ac9d1a7bef71afa4837769ef38edb0f7e2ef8028
diff --git a/trunk/drivers/net/wireless/rt2x00/rt2x00usb.h b/trunk/drivers/net/wireless/rt2x00/rt2x00usb.h
index 9943e428bc21..1c9d6cafb057 100644
--- a/trunk/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/trunk/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -26,6 +26,8 @@
 #ifndef RT2X00USB_H
 #define RT2X00USB_H
 
+#include <linux/usb.h>
+
 #define to_usb_device_intf(d) \
 ({ \
 	struct usb_interface *intf = to_usb_interface(d); \