diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index dfcbd05d0e81923f062a3f9d0891424439de4579..65ca131cc44cc8c8e13e298ea47b1bcf4022353d 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -82,6 +82,7 @@ int usb_major_init(void)
 
 	usb_class = class_create(THIS_MODULE, "usb");
 	if (IS_ERR(usb_class)) {
+		error = PTR_ERR(usb_class);
 		err("class_create failed for usb devices");
 		unregister_chrdev(USB_MAJOR, "usb");
 		goto out;