drivers/rtc/rtc-pcf2127.c: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO

---
 drivers/rtc/rtc-pcf2127.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
 
diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index 1ee514a..9bd842e 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -197,10 +197,7 @@ static int pcf2127_probe(struct i2c_client *client,
 				pcf2127_driver.driver.name,
 				&pcf2127_rtc_ops, THIS_MODULE);
 
-	if (IS_ERR(pcf2127->rtc))
-		return PTR_ERR(pcf2127->rtc);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(pcf2127->rtc);
 }
 
 static const struct i2c_device_id pcf2127_id[] = {