diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c
index b63b5f3..d721380 100644
--- a/drivers/usb/misc/cypress_cy7c63.c
+++ b/drivers/usb/misc/cypress_cy7c63.c
@@ -246,11 +246,13 @@
 	struct cypress *dev;
 
 	dev = usb_get_intfdata(interface);
-	usb_set_intfdata(interface, NULL);
 
 	/* remove device attribute files */
 	device_remove_file(&interface->dev, &dev_attr_port0);
 	device_remove_file(&interface->dev, &dev_attr_port1);
+	/* the intfdata can be set to NULL only after the
+	 * device files have been removed */
+	usb_set_intfdata(interface, NULL);
 
 	usb_put_dev(dev->udev);