diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index eb810bb..c32811a 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -140,8 +140,7 @@
 	struct find_interface_arg *arg = data;
 	struct usb_interface *intf;
 
-	/* can't look at usb devices, only interfaces */
-	if (is_usb_device(dev))
+	if (!is_usb_interface(dev))
 		return 0;
 
 	intf = to_usb_interface(dev);