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Commit 216b09b2 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "mfd: wcd9xxx: Add range checking in function wcd9xxx_init_slimslave"

parents f4c7cab9 89d80785

drivers/mfd/wcd9xxx-slimslave.c

+9 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2017, 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
@@ -62,6 +62,10 @@ int wcd9xxx_init_slimslave(struct wcd9xxx *wcd9xxx, u8 wcd9xxx_pgd_la, 
		goto err;

	}



	if (!rx_num || rx_num > wcd9xxx->num_rx_port) {

		pr_err("%s: invalid rx num %d\n", __func__, rx_num);

		return -EINVAL;

	}

	if (wcd9xxx->rx_chs) {

		wcd9xxx->num_rx_port = rx_num;

		for (i = 0; i < rx_num; i++) {
@@ -84,6 +88,10 @@ int wcd9xxx_init_slimslave(struct wcd9xxx *wcd9xxx, u8 wcd9xxx_pgd_la, 
			wcd9xxx->num_rx_port);

	}



	if (!tx_num || tx_num > wcd9xxx->num_tx_port) {

		pr_err("%s: invalid tx num %d\n", __func__, tx_num);

		return -EINVAL;

	}

	if (wcd9xxx->tx_chs) {

		wcd9xxx->num_tx_port = tx_num;

		for (i = 0; i < tx_num; i++) {