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dsp: q6lsm: Add check for payload buffer

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Check get_param_payload buffer ptr before accessing.

Change-Id: I5470983188dffeec14965a5cdec30747b98735e7
Signed-off-by: Soumya Managoli <quic_c_smanag@quicinc.com>
This commit is contained in:
Soumya Managoli 2023-07-24 16:14:09 +05:30 • committed by Gerrit - the friendly Code Review server
commit 01db7bcebc
1 changed files with 6 additions and 0 deletions
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6
dsp/q6lsm.c
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@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2013-2021, Linux Foundation. All rights reserved.
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/fs.h>
#include <linux/mutex.h>
@ -241,6 +242,11 @@ static int q6lsm_callback(struct apr_client_data *data, void *priv)
goto done;
}
if (!client->get_param_payload) {
pr_err("%s: invalid get_param_payload buffer ptr\n", __func__);
ret = -EINVAL;
goto done;
}
memcpy((u8 *)client->get_param_payload,
(u8 *)payload + payload_min_size_expected, param_size);
done: