diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 339a9edcde5f..941532ddfdc6 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -853,6 +853,8 @@ bus_devices_fail:
 	bus_remove_file(bus, &bus_attr_uevent);
 bus_uevent_fail:
 	kset_unregister(&bus->p->subsys);
+	/* Above kset_unregister() will kfree @bus->p */
+	bus->p = NULL;
 out:
 	kfree(bus->p);
 	bus->p = NULL;