diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index d7c4330786cae2a0203645de09d0158141672c43..e7761e0ef5a550217b89cd94904d21a009132f24 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -920,6 +920,8 @@ int bus_register(const struct bus_type *bus)
 	bus_remove_file(bus, &bus_attr_uevent);
 bus_uevent_fail:
 	kset_unregister(&priv->subsys);
+	/* Above kset_unregister() will kfree @priv */
+	priv = NULL;
 out:
 	kfree(priv);
 	return retval;