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Commit cfc78f80 authored by Asish Bhattacharya's avatar Asish Bhattacharya
Browse files

msm: qdsp5v2: memset stack buffer allocation. 



This is needed to avoid garbage data in uninitialized variables.

Change-Id: I9dbe6c56f99a2dca3c8d601e5d0b84ce597db802
CRs-Fixed: 553363
CRs-Fixed: 553347
Signed-off-by: default avatarAsish Bhattacharya <asishb@codeaurora.org>
parent ab5cc61c

arch/arm/mach-msm/qdsp5v2/audio_evrc_in.c

+3 −1
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
 *

 * Copyright (C) 2008 Google, Inc.

 * Copyright (C) 2008 HTC Corporation

 * Copyright (c) 2009-2012, The Linux Foundation. All rights reserved.

 * Copyright (c) 2009-2013, The Linux Foundation. All rights reserved.

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and
@@ -773,6 +773,7 @@ static long audevrc_in_ioctl(struct file *file, 
	MM_DBG("\n");

	if (cmd == AUDIO_GET_STATS) {

		struct msm_audio_stats stats;

		memset(&stats, 0, sizeof(stats));

		stats.byte_count = atomic_read(&audio->in_bytes);

		stats.sample_count = atomic_read(&audio->in_samples);

		if (copy_to_user((void *) arg, &stats, sizeof(stats)))
@@ -987,6 +988,7 @@ static ssize_t audevrc_in_read(struct file *file, 
	struct evrc_encoded_meta_out meta_field;

	struct audio_frame_nt *nt_frame;

	MM_DBG("count = %d\n", count);

	memset(&meta_field, 0, sizeof(meta_field));

	mutex_lock(&audio->read_lock);

	while (count > 0) {

		rc = wait_event_interruptible(