Merge "drivers: cpuidle: lpm-levels: Fix untrusted pointer dereference."

/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

void free_cluster_node(struct lpm_cluster *cluster)

{

	struct list_head *list;

	int i;

	struct lpm_cluster *cl, *m;

	list_for_each(list, &cluster->child) {

		struct lpm_cluster *n;

		n = list_entry(list, typeof(*n), list);

		list_del(list);

		free_cluster_node(n);

	list_for_each_entry_safe(cl, m, &cluster->child, list) {

		list_del(&cl->list);

		free_cluster_node(cl);

	};

	if (cluster->cpu) {