From 2192f81c53a7879c803f0f7d6c49645fdf6c2f6a Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Fri, 11 Oct 2013 00:07:48 -0700
Subject: ASoC: rcar: add ID check on rsnd_dai_get()
checking id in rsnd_dai_get() is good idea
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
---
sound/soc/sh/rcar/core.c | 3 +++
1 file changed, 3 insertions(+)
(limited to 'sound/soc/sh')
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 28c24fcf8bc..b234ed66307 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -318,6 +318,9 @@ int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai)
struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id)
{
+ if ((id < 0) || (id >= rsnd_dai_nr(priv)))
+ return NULL;
+
return priv->rdai + id;
}
--
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