On 2019/9/5 15:39, Alexandre Belloni wrote: > On 05/09/2019 14:43:15+0800, zhong jiang wrote: >> PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better to >> use it directly. hence just replace it. >> > Unless you have a more significant contribution to this driver, I'm not > going to apply this patch, especially since it will have to be reverted > as soon as the probe function changes. Anyway, Thanks, Sincerely, zhong jiang >> Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> >> --- >> drivers/rtc/rtc-ds1347.c | 5 +---- >> 1 file changed, 1 insertion(+), 4 deletions(-) >> >> diff --git a/drivers/rtc/rtc-ds1347.c b/drivers/rtc/rtc-ds1347.c >> index d392a7b..5a64eea 100644 >> --- a/drivers/rtc/rtc-ds1347.c >> +++ b/drivers/rtc/rtc-ds1347.c >> @@ -151,10 +151,7 @@ static int ds1347_probe(struct spi_device *spi) >> rtc = devm_rtc_device_register(&spi->dev, "ds1347", >> &ds1347_rtc_ops, THIS_MODULE); >> >> - if (IS_ERR(rtc)) >> - return PTR_ERR(rtc); >> - >> - return 0; >> + return PTR_ERR_OR_ZERO(rtc); >> } >> >> static struct spi_driver ds1347_driver = { >> -- >> 1.7.12.4 >>