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@marvell.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index ccb6be4d658d27e3dd56528e02fdf5a59eecb999..02d26915b61daad8bb5e7656de96d4674e8bcfac 100644 (file)
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1886,6 +1886,7 @@ int soc_dpcm_runtime_update(struct snd_soc_dapm_widget *widget)
                        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)