[media] v4l: atmel-isi: Simplify error handling during DT parsing

Put the endpoint DT node earlier to avoid the need for goto statements
to a cleanup code block in case of errors.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: NJosh Wu <josh.wu@atmel.com>
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/soc_camera/atmel-isi.c

@@ -899,9 +899,10 @@ static int atmel_isi_probe_dt(struct atmel_isi *isi,
 	}
 
 	err = v4l2_of_parse_endpoint(np, &ep);
+	of_node_put(np);
 	if (err) {
 		dev_err(&pdev->dev, "Could not parse the endpoint\n");
-		goto err_probe_dt;
+		return err;
 	}
 
 	switch (ep.bus.parallel.bus_width) {
@@ -915,14 +916,10 @@ static int atmel_isi_probe_dt(struct atmel_isi *isi,
 	default:
 		dev_err(&pdev->dev, "Unsupported bus width: %d\n",
 				ep.bus.parallel.bus_width);
-		err = -EINVAL;
-		goto err_probe_dt;
+		return -EINVAL;
 	}
 
-err_probe_dt:
-	of_node_put(np);
-
-	return err;
+	return 0;
 }
 
 static int atmel_isi_probe(struct platform_device *pdev)