ASoC: core: Use PTR_RET function

Used PTR_RET function instead of IS_ERR and PTR_ERR.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/soc-io.c

@@ -158,10 +158,7 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
 		return -EINVAL;
 	}
 
-	if (IS_ERR(codec->control_data))
-		return PTR_ERR(codec->control_data);
-
-	return 0;
+	return PTR_RET(codec->control_data);
 }
 EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
 #else