[PATCH 1/2] rtc:rtc-digicolor: Use PTR_ERR_OR_ZERO to replace the open code

[zhong jiang]

PTR_ERR_OR_ZERO has implemented the if(IS_ERR(...)) + PTR_ERR, So
just replace them rather than duplicating its implement.

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 drivers/rtc/rtc-digicolor.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-digicolor.c b/drivers/rtc/rtc-digicolor.c
index b253bf1..fd6850c 100644
--- a/drivers/rtc/rtc-digicolor.c
+++ b/drivers/rtc/rtc-digicolor.c
@@ -202,10 +202,8 @@ static int __init dc_rtc_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, rtc);
 	rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, pdev->name,
 						&dc_rtc_ops, THIS_MODULE);
-	if (IS_ERR(rtc->rtc_dev))
-		return PTR_ERR(rtc->rtc_dev);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(rtc->rtc_dev);
 }
 
 static const struct of_device_id dc_dt_ids[] = {
-- 
1.7.12.4