diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index eac22fef4543..6091e0916085 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -548,6 +548,15 @@ struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id)
 	return priv->rdai + id;
 }
 
+static struct snd_soc_dai_driver
+*rsnd_daidrv_get(struct rsnd_priv *priv, int id)
+{
+	if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
+		return NULL;
+
+	return priv->daidrv + id;
+}
+
 #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai)
 static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
 {
@@ -1033,7 +1042,7 @@ static void __rsnd_dai_probe(struct rsnd_priv *priv,
 	int io_i;
 
 	rdai		= rsnd_rdai_get(priv, dai_i);
-	drv		= priv->daidrv + dai_i;
+	drv		= rsnd_daidrv_get(priv, dai_i);
 	io_playback	= &rdai->playback;
 	io_capture	= &rdai->capture;