rtc: omap: Do not check for 0 return after calling platform_get_irq()

It is not possible for platform_get_irq() to return 0. Use the
return value from platform_get_irq().

Signed-off-by: Ruan Jinjie <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Belloni <[email protected]>

Author: Ruan Jinjie

drivers/rtc/rtc-omap.c

@@ -747,12 +747,12 @@ static int omap_rtc_probe(struct platform_device *pdev)
 	}
 
 	rtc->irq_timer = platform_get_irq(pdev, 0);
-	if (rtc->irq_timer <= 0)
-		return -ENOENT;
+	if (rtc->irq_timer < 0)
+		return rtc->irq_timer;
 
 	rtc->irq_alarm = platform_get_irq(pdev, 1);
-	if (rtc->irq_alarm <= 0)
-		return -ENOENT;
+	if (rtc->irq_alarm < 0)
+		return rtc->irq_alarm;
 
 	rtc->clk = devm_clk_get(&pdev->dev, "ext-clk");
 	if (!IS_ERR(rtc->clk))