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Commit 6c0100f2 authored by Xiaoyu Ye's avatar Xiaoyu Ye Committed by Gerrit - the friendly Code Review server
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dsp: codecs: fix range check for audio buffer copying 



The range checking for audio buffer copying in function
"audio_in_write" is using the incorrect buffer size.
Change it to the actual allocated audio buffer size.

Change-Id: Icb9a9e9c3b3d3c6e55e7bad20b34f94784b82674
Signed-off-by: default avatarXiaoyu Ye <benyxy@codeaurora.org>
parent a60b408c

dsp/codecs/audio_utils.c

+2 −3
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/* Copyright (c) 2010-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2010-2019, The Linux Foundation. All rights reserved.

 */



#include <linux/module.h>
@@ -900,9 +900,8 @@ ssize_t audio_in_write(struct file *file, 
						__func__, audio->ac->session);

			}

		}

		xfer = (count > (audio->pcm_cfg.buffer_size)) ?

				(audio->pcm_cfg.buffer_size) : count;



		xfer = (count > size) ? size : count;

		if (copy_from_user(cpy_ptr, buf, xfer)) {

			rc = -EFAULT;

			break;