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Commit bb0d7a51 authored by Nitin LNU's avatar Nitin LNU
Browse files

qseecom : qseecom_scale_bus_bandwidth doesn't check the negative mode 



Place a min value check in qseecom_scale_bus_bandwidth

Change-Id: I6b551ee82987d2d7a2011e5d5fb667699d089a78
Signed-off-by: default avatarNitin LNU <quic_nlakra@quicinc.com>
parent 90de98df

drivers/misc/qseecom.c

+2 −1
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
 * QTI Secure Execution Environment Communicator (QSEECOM) driver

 *

 * Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.

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

 */



#define pr_fmt(fmt) "QSEECOM: %s: " fmt, __func__
@@ -1933,7 +1934,7 @@ static int qseecom_scale_bus_bandwidth(struct qseecom_dev_handle *data, 
		pr_err("copy_from_user failed\n");

		return ret;

	}

	if (req_mode > HIGH) {

	if (req_mode > HIGH || req_mode < QSEECOM_STATE_NOT_READY) {

		pr_err("Invalid bandwidth mode (%d)\n", req_mode);

		return -EINVAL;

	}