Introduce for_each_rtd_dais_rollback macro which behaves exactly like
for_each_codec_dais_rollback and its cpu_dais equivalent but for all
dais instead.
Use newly added macro to fix soc_pcm_open error path and prevent
uninitialized dais from being cleaned-up.
Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
Fixes: 5d9fa03e6c35 ("ASoC: soc-pcm: tidyup soc_pcm_open() order")
Acked-by: Liam Girdwood <liam.r.girdwood@xxxxxxxxxxxxxxx>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
Changes in v2:
- no functional changes
- appended missing Fixes tag, plus Acked-by from review
include/sound/soc.h | 2 ++
sound/soc/soc-pcm.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index b94ebff12350..09a7d8409ade 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1193,6 +1193,8 @@ struct snd_soc_pcm_runtime {
((i) < (rtd)->num_cpus + (rtd)->num_codecs) && \
((dai) = (rtd)->dais[i]); \
(i)++)
+#define for_each_rtd_dais_rollback(rtd, i, dai) \
+ for (; (--(i) >= 0) && ((dai) = (rtd)->dais[i]);)
void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 00ac1cbf6f88..4c9d4cd8cf0b 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -812,7 +812,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
return 0;
config_err:
- for_each_rtd_dais(rtd, i, dai)
+ for_each_rtd_dais_rollback(rtd, i, dai)
snd_soc_dai_shutdown(dai, substream);
snd_soc_link_shutdown(substream);
--
2.17.1
