pinctrl: ti: iodelay: Use scope based of_node_put() cleanups

Use scope based of_node_put() cleanup to simplify code.

Signed-off-by: Peng Fan <[e-mail]>
Reviewed-by: Jonathan Cameron <[e-mail]>
Link: https://lore.kernel.org/[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/ti/pinctrl-ti-iodelay.c

···
 static int ti_iodelay_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = of_node_get(dev->of_node);
+	struct device_node *np __free(device_node) = of_node_get(dev->of_node);
 	struct resource *res;
 	struct ti_iodelay_device *iod;
-	int ret = 0;
+	int ret;
 
 	if (!np) {
-		ret = -EINVAL;
 		dev_err(dev, "No OF node\n");
-		goto exit_out;
+		return -EINVAL;
 	}
 
 	iod = devm_kzalloc(dev, sizeof(*iod), GFP_KERNEL);
-	if (!iod) {
-		ret = -ENOMEM;
-		goto exit_out;
-	}
+	if (!iod)
+		return -ENOMEM;
+
 	iod->dev = dev;
 	iod->reg_data = device_get_match_data(dev);
 	if (!iod->reg_data) {
-		ret = -EINVAL;
 		dev_err(dev, "No DATA match\n");
-		goto exit_out;
+		return -EINVAL;
 	}
 
 	/* So far We can assume there is only 1 bank of registers */
 	iod->reg_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
-	if (IS_ERR(iod->reg_base)) {
-		ret = PTR_ERR(iod->reg_base);
-		goto exit_out;
-	}
+	if (IS_ERR(iod->reg_base))
+		return PTR_ERR(iod->reg_base);
+
 	iod->phys_base = res->start;
 
 	iod->regmap = devm_regmap_init_mmio(dev, iod->reg_base,
 					    iod->reg_data->regmap_config);
 	if (IS_ERR(iod->regmap)) {
 		dev_err(dev, "Regmap MMIO init failed.\n");
-		ret = PTR_ERR(iod->regmap);
-		goto exit_out;
+		return PTR_ERR(iod->regmap);
 	}
 
 	ret = ti_iodelay_pinconf_init_dev(iod);
 	if (ret)
-		goto exit_out;
+		return ret;
 
 	ret = ti_iodelay_alloc_pins(dev, iod, res->start);
 	if (ret)
-		goto exit_out;
+		return ret;
 
 	iod->desc.pctlops = &ti_iodelay_pinctrl_ops;
 	/* no pinmux ops - we are pinconf */
···
 	ret = devm_pinctrl_register_and_init(dev, &iod->desc, iod, &iod->pctl);
 	if (ret) {
 		dev_err(dev, "Failed to register pinctrl\n");
-		goto exit_out;
+		return ret;
 	}
 
 	platform_set_drvdata(pdev, iod);
 
-	ret = pinctrl_enable(iod->pctl);
-	if (ret)
-		goto exit_out;
-
-	return 0;
-
-exit_out:
-	of_node_put(np);
-	return ret;
+	return pinctrl_enable(iod->pctl);
 }
 
 /**