[PATCH 3.13 055/187] ASoC: pcm: fix dpcm_path_put in dpcm runtime update

Kamal Mostafa kamal at canonical.com
Mon Sep 15 22:07:45 UTC 2014 -stable review patch.  If anyone has any objections, please let me know.


From: Qiao Zhou <zhouqiao at marvell.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 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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