leds: max5970: Make use of dev_err_probe()

Simplify the error handling in probe function by switching from
dev_err() to dev_err_probe().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231214184050.1272848-4-andriy.shevchenko@linux.intel.comSigned-off-by: Lee Jones <lee@kernel.org>

drivers/leds/leds-max5970.c

@@ -62,7 +62,7 @@ static int max5970_led_probe(struct platform_device *pdev)
 			continue;
 
 		if (reg >= MAX5970_NUM_LEDS) {
-			dev_err(dev, "invalid LED (%u >= %d)\n", reg, MAX5970_NUM_LEDS);
+			dev_err_probe(dev, -EINVAL, "invalid LED (%u >= %d)\n", reg, MAX5970_NUM_LEDS);
 			continue;
 		}
 
@@ -86,8 +86,7 @@ static int max5970_led_probe(struct platform_device *pdev)
 		ret = devm_led_classdev_register(dev, &ddata->cdev);
 		if (ret < 0) {
 			fwnode_handle_put(child);
-			dev_err(dev, "Failed to initialize LED %u\n", reg);
-			return ret;
+			return dev_err_probe(dev, ret, "Failed to initialize LED %u\n", reg);
 		}
 	}