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Date:	Mon, 15 Sep 2014 12:26:27 -0700
From:	Greg Kroah-Hartman <>
Cc:	Greg Kroah-Hartman <>,, Qiao Zhou <>,
	Mark Brown <>
Subject: [PATCH 3.10 29/71] ASoC: pcm: fix dpcm_path_put in dpcm runtime update

3.10-stable review patch.  If anyone has any objections, please let me know.


From: Qiao Zhou <>

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 <>
Signed-off-by: Mark Brown <>
Signed-off-by: Greg Kroah-Hartman <>

 sound/soc/soc-pcm.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1886,6 +1886,7 @@ int soc_dpcm_runtime_update(struct snd_s
 			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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