[alsa-devel] [PATCH 04/12] ASoC: rsnd: rsnd_dai_connect() returns error if it connect to existing mod

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/sh/rcar/core.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 44f32c1..e59dc8a 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -354,6 +354,9 @@ int rsnd_dai_connect(struct rsnd_mod *mod, if (!mod) return -EIO;

+ if (io->mod[type]) + return -EINVAL; + priv = rsnd_mod_to_priv(mod); dev = rsnd_priv_to_dev(priv);