mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-10-01 01:35:54 -04:00
94 lines
3.2 KiB
Diff
94 lines
3.2 KiB
Diff
From 9734b72ae21eca557540c3c42d356dd131a20004 Mon Sep 17 00:00:00 2001
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From: Xiaojun Sang <xsang@codeaurora.org>
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Date: Fri, 24 Feb 2017 16:13:20 +0800
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Subject: ASoC: msm: qdsp6v2: set pointer to NULL after free
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Unsanitized pointer after kfree leads to potential risk.
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Set pointer to NULL.
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CRs-Fixed: 2008031
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Change-Id: Ia59a57fcd142a6ed18d168992b8da4019314afa4
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Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>
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---
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sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c | 2 ++
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sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c | 3 ++-
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sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c | 2 ++
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sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c | 3 +++
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4 files changed, 9 insertions(+), 1 deletion(-)
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diff --git a/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
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index 7f032dc..9a40dad 100644
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--- a/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
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+++ b/sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
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@@ -1586,6 +1586,7 @@ static int msm_compr_playback_free(struct snd_compr_stream *cstream)
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kfree(pdata->dec_params[soc_prtd->dai_link->be_id]);
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pdata->dec_params[soc_prtd->dai_link->be_id] = NULL;
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kfree(prtd);
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+ runtime->private_data = NULL;
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return 0;
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}
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@@ -1645,6 +1646,7 @@ static int msm_compr_capture_free(struct snd_compr_stream *cstream)
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q6asm_audio_client_free(ac);
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kfree(prtd);
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+ runtime->private_data = NULL;
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return 0;
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}
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diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
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index d65108e..b1a1ea5 100644
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--- a/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
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+++ b/sound/soc/msm/qdsp6v2/msm-pcm-afe-v2.c
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@@ -1,4 +1,4 @@
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-/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
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+/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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@@ -684,6 +684,7 @@ done:
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mutex_unlock(&prtd->lock);
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prtd->prepared--;
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kfree(prtd);
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+ runtime->private_data = NULL;
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return 0;
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}
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static int msm_afe_prepare(struct snd_pcm_substream *substream)
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diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c b/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c
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index 33c5b64..9c24712 100644
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--- a/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c
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+++ b/sound/soc/msm/qdsp6v2/msm-pcm-q6-noirq.c
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@@ -570,6 +570,8 @@ static int msm_pcm_close(struct snd_pcm_substream *substream)
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SNDRV_PCM_STREAM_PLAYBACK :
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SNDRV_PCM_STREAM_CAPTURE);
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kfree(prtd);
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+ runtime->private_data = NULL;
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+
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return 0;
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}
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diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
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index e14f410..7928c37 100644
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--- a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
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+++ b/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c
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@@ -804,6 +804,8 @@ static int msm_pcm_playback_close(struct snd_pcm_substream *substream)
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msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->be_id,
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SNDRV_PCM_STREAM_PLAYBACK);
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kfree(prtd);
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+ runtime->private_data = NULL;
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+
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return 0;
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}
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@@ -909,6 +911,7 @@ static int msm_pcm_capture_close(struct snd_pcm_substream *substream)
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msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->be_id,
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SNDRV_PCM_STREAM_CAPTURE);
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kfree(prtd);
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+ runtime->private_data = NULL;
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return 0;
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}
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--
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cgit v1.1
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