Merge "tzlog : Add check to avoid null pointer dereferencing"

// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.

 * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.

 */

#include <linux/debugfs.h>

#include <linux/errno.h>

	struct seq_file *seq = file->private_data;

	int tz_id = TZDBG_STATS_MAX;

	if (seq)

	if (seq) {

		if (seq->private)

			tz_id = *(int *)(seq->private);

		else {

			pr_err("%s: Seq data private null unable to proceed\n",

				 __func__);

			return 0;

		}

	}

	else {

		pr_err("%s: Seq data null unable to proceed\n", __func__);

		return 0;