ASoC: fsi: fsi_stream_is_working() care substream->runtime

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 8d05e59c8831..1e10184af89a 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -450,7 +450,7 @@ static int fsi_stream_is_working(struct fsi_priv *fsi,
         int ret;
 
         spin_lock_irqsave(&master->lock, flags);
-        ret = !!io->substream;
+        ret = !!(io->substream && io->substream->runtime);
         spin_unlock_irqrestore(&master->lock, flags);
 
         return ret;
@@ -756,9 +756,7 @@ static int fsi_pio_transfer(struct fsi_priv *fsi, struct fsi_stream *io,
         u8 *buf;
         int over_period;
 
-        if (!fsi                        ||
-            !io->substream              ||
-            !io->substream->runtime)
+        if (!fsi_stream_is_working(fsi, io))
                 return -EINVAL;
 
         over_period     = 0;