diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index fcfda21..39e6b61b 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -439,6 +439,7 @@
 		/* hub driver sets up TT records */
 	}
 
+	dev->portnum = port1;
 	dev->bus = bus;
 	dev->parent = parent;
 	INIT_LIST_HEAD(&dev->filelist);