[3.13.y.z extended stable] Patch "ASoC: pcm: fix dpcm_path_put in dpcm runtime update" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Mon Sep 15 22:07:32 UTC 2014

This is a note to let you know that I have just added a patch titled

    ASoC: pcm: fix dpcm_path_put in dpcm runtime update

to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree 
which can be found at:


This patch is scheduled to be released in version

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y.z tree, see



>From 4a05eacde16f1b2ea8584cffdac78db46fecb7c7 Mon Sep 17 00:00:00 2001
From: Qiao Zhou <zhouqiao at marvell.com>
Date: Wed, 4 Jun 2014 19:42:06 +0800
Subject: ASoC: pcm: fix dpcm_path_put in dpcm runtime update

commit 7ed9de76ff342cbd717a9cf897044b99272cb8f8 upstream.

we need to release dapm widget list after dpcm_path_get in
soc_dpcm_runtime_update. otherwise, there will be potential memory
leak. add dpcm_path_put to fix it.

Signed-off-by: Qiao Zhou <zhouqiao at marvell.com>
Signed-off-by: Mark Brown <broonie at linaro.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
 sound/soc/soc-pcm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 891b9a9..e683959 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1908,6 +1908,7 @@ int soc_dpcm_runtime_update(struct snd_soc_card *card)
 			dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);

+		dpcm_path_put(&list);
 		/* skip if FE doesn't have capture capability */
 		if (!fe->cpu_dai->driver->capture.channels_min)

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