rtc: gemini: fix ptr_ret.cocci warnings

---
 drivers/rtc/rtc-gemini.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
 
diff --git a/drivers/rtc/rtc-gemini.c b/drivers/rtc/rtc-gemini.c
index 2fed93e..e841846 100644
--- a/drivers/rtc/rtc-gemini.c
+++ b/drivers/rtc/rtc-gemini.c
@@ -148,10 +148,7 @@ static int gemini_rtc_probe(struct platform_device *pdev)
 
 	rtc->rtc_dev = rtc_device_register(pdev->name, dev,
 					   &gemini_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 int gemini_rtc_remove(struct platform_device *pdev)