drivers/rtc/rtc-max8997.c: fix incorrect return value on error

'ret' was being returned without initializing it to error code.  While at
it also remove duplicate return statement.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Jonghwa Lee <jonghwa3.lee@samsung.com>
Cc: Chiwoong Byun <woong.byun@samsung.com>
Cc: Laxman dewangan <ldewangan@nvidia.com>
Cc: Venu Byravarasu <vbyravarasu@nvidia.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-max8997.c

@@ -491,6 +491,7 @@ static int max8997_rtc_probe(struct platform_device *pdev)
 	virq = irq_create_mapping(max8997->irq_domain, MAX8997_PMICIRQ_RTCA1);
 	if (!virq) {
 		dev_err(&pdev->dev, "Failed to create mapping alarm IRQ\n");
+		ret = -ENXIO;
 		goto err_out;
 	}
 	info->virq = virq;
@@ -498,13 +499,9 @@ static int max8997_rtc_probe(struct platform_device *pdev)
 	ret = devm_request_threaded_irq(&pdev->dev, virq, NULL,
 				max8997_rtc_alarm_irq, 0,
 				"rtc-alarm0", info);
-	if (ret < 0) {
+	if (ret < 0)
 		dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
 			info->virq, ret);
-		goto err_out;
-	}
-
-	return ret;
 
 err_out:
 	return ret;