diff --git a/drivers/base/class.c b/drivers/base/class.c
index 7e78aee0fd6c39..7b38fdf8e1d78e 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -213,6 +213,7 @@ int class_register(const struct class *cls)
 	return 0;
 
 err_out:
+	lockdep_unregister_key(key);
 	kfree(cp);
 	return error;
 }