linux-kernel - [PATCH 3.16 078/158] ASoC: pcm: fix dpcm_path

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Message-Id: <20140915192545.236909302@linuxfoundation.org>
Date:	Mon, 15 Sep 2014 12:25:17 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Qiao Zhou <zhouqiao@...vell.com>,
	Mark Brown <broonie@...aro.org>
Subject: [PATCH 3.16 078/158] ASoC: pcm: fix dpcm_path_put in dpcm runtime update

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

------------------

From: Qiao Zhou <zhouqiao@...vell.com>

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@...vell.com>
Signed-off-by: Mark Brown <broonie@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2069,6 +2069,7 @@ int soc_dpcm_runtime_update(struct snd_s
 			dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);
 		}
 
+		dpcm_path_put(&list);
 capture:
 		/* skip if FE doesn't have capture capability */
 		if (!fe->cpu_dai->driver->capture.channels_min)


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