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Commit b06e33ab authored by Rishabh Bhatnagar's avatar Rishabh Bhatnagar Committed by Gerrit - the friendly Code Review server
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drivers: esoc: Add null check before calling pon functions 



Add a check to detect null pointers before dereferencing them.

Change-Id: I22cbe09f1a6b4cb368831e508b8849d5c2b135c5
Signed-off-by: default avatarRishabh Bhatnagar <rishabhb@codeaurora.org>
parent b4bd4a71

drivers/esoc/esoc-mdm.h

+19 −7
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2014-2015, 2017-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2015, 2017-2019, The Linux Foundation. All rights reserved.

 */



#ifndef __ESOC_MDM_H__
@@ -123,27 +123,39 @@ void mdm_wait_for_status_low(struct mdm_ctrl *mdm, bool atomic); 


static inline int mdm_toggle_soft_reset(struct mdm_ctrl *mdm, bool atomic)

{

	if (mdm->pon_ops->soft_reset)

		return mdm->pon_ops->soft_reset(mdm, atomic);

	return -ENOENT;

}

static inline int mdm_do_first_power_on(struct mdm_ctrl *mdm)

{

	if (mdm->pon_ops->pon)

		return mdm->pon_ops->pon(mdm);

	return -ENOENT;

}

static inline int mdm_power_down(struct mdm_ctrl *mdm)

{

	if (mdm->pon_ops->poff_force)

		return mdm->pon_ops->poff_force(mdm);

	return -ENOENT;

}

static inline void mdm_cold_reset(struct mdm_ctrl *mdm)

{

	if (mdm->pon_ops->cold_reset)

		mdm->pon_ops->cold_reset(mdm);

	return;

}

static inline int mdm_pon_dt_init(struct mdm_ctrl *mdm)

{

	if (mdm->pon_ops->dt_init)

		return mdm->pon_ops->dt_init(mdm);

	return -ENOENT;

}

static inline int mdm_pon_setup(struct mdm_ctrl *mdm)

{

	if (mdm->pon_ops->setup)

		return mdm->pon_ops->setup(mdm);

	return -ENOENT;

}



extern struct mdm_pon_ops mdm9x55_pon_ops;