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Commit dd78809e authored by David Dai's avatar David Dai
Browse files

msm: msm_bus: Check for invalid current voting index 



Check for negative values in current voting index when attempting
to unregister a device and default to 0. This can happen when clients
have yet to make a vote after registration and attempt to unregister
right away.

Change-Id: I8a384a98984964756c569d09be4bb3a0614b475c
Signed-off-by: default avatarDavid Dai <daidavid1@codeaurora.org>
parent 85a10b57

drivers/soc/qcom/msm_bus/msm_bus_arb_rpmh.c

+2 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2017, 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
@@ -1133,7 +1133,7 @@ static void unregister_client_adhoc(uint32_t cl) 
	}



	curr = client->curr;

	if (curr >= pdata->num_usecases) {

	if (curr >= pdata->num_usecases || curr < 0) {

		MSM_BUS_ERR("Invalid index Defaulting curr to 0");

		curr = 0;

	}