[PATCH 3.12 074/142] ASoC: pcm: fix dpcm_path_put in dpcm runtime update

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From: Qiao Zhou <zhouqiao@xxxxxxxxxxx>

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

===============

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@xxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
 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 330c9a6b5cb5..875cae86d708 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1882,6 +1882,7 @@ int soc_dpcm_runtime_update(struct snd_soc_card *card)
 			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)
-- 
2.1.0

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