ASoC: fsl: imx-wm8962: Fix error path

If the 'failed to find codec platform device' error path is executed, it should
jump to 'fail' label instead of returning an error immediately.

'fail' label will then free the ssi_np and codec_np previously acquired nodes.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/fsl/imx-wm8962.c b/sound/soc/fsl/imx-wm8962.c
index 52a36a9..1d70e27 100644
--- a/sound/soc/fsl/imx-wm8962.c
+++ b/sound/soc/fsl/imx-wm8962.c
@@ -217,7 +217,8 @@
 	codec_dev = of_find_i2c_device_by_node(codec_np);
 	if (!codec_dev || !codec_dev->driver) {
 		dev_err(&pdev->dev, "failed to find codec platform device\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto fail;
 	}
 
 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);