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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2015-12-17 02:56:31 +0000
committerMark Brown <broonie@kernel.org>2015-12-18 12:10:56 +0000
commit52dc68524327ed7bedfc2856bca4fa634f11141a (patch)
tree76b2424f1f0dd3e3fb878926cf3c4d38f0131756 /sound/soc
parentc90269c1fbfcb3082d379237f0912ea231e90a24 (diff)
downloadblackbird-obmc-linux-52dc68524327ed7bedfc2856bca4fa634f11141a.tar.gz
blackbird-obmc-linux-52dc68524327ed7bedfc2856bca4fa634f11141a.zip
ASoC: rsnd: rsnd_dai_connect() returns error if it connect to existing mod
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/sh/rcar/core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 44f32c1db05d..e59dc8a461bb 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);
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