diff --git a/drivers/base/class.c b/drivers/base/class.c
index 05d9df90f621be..9cd489a5770866 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -215,6 +215,7 @@ int class_register(const struct class *cls)
 	return 0;
 
 err_out:
+	lockdep_unregister_key(key);
 	kfree(cp);
 	return error;
 }