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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>
This commit is contained in:
Kuninori Morimoto 2012-02-03 00:57:40 -08:00 committed by Mark Brown
parent 180346ede3
commit 97df81873e
1 changed files with 2 additions and 4 deletions
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6
sound/soc/sh/fsi.c
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@ -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;