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

void free_cluster_node(struct lpm_cluster *cluster)

{

	struct list_head *list;

	struct lpm_cpu *cpu, *n;

	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);

	};

	list_for_each_entry_safe(cpu, n, &cluster->cpu, list) {

		struct lpm_cpu *cpu = list_entry(list, typeof(*cpu), list);

		int i;

		list_del(&cpu->list);

		for (i = 0; i < cpu->nlevels; i++) {

			kfree(cpu->levels[i].name);

			cpu->levels[i].name = NULL;

		}

		list_del(list);

	}

}