ASoC: sta32x: Fix a memory leak if snd_soc_register_codec fails

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/sta32x.c

@@ -857,6 +857,7 @@ static __devinit int sta32x_i2c_probe(struct i2c_client *i2c,
 	ret = snd_soc_register_codec(&i2c->dev, &sta32x_codec, &sta32x_dai, 1);
 	if (ret != 0) {
 		dev_err(&i2c->dev, "Failed to register codec (%d)\n", ret);
+		kfree(sta32x);
 		return ret;
 	}