Hello, zys.zljxml@xxxxxxxxx wrote on Mon, 7 Nov 2022 17:25:44 +0800: > From: Yushan Zhou <katrinzhou@xxxxxxxxxxx> > > The rzn1_rtc_probe() function utilizes devm_pm_runtime_enable() > but wasn't checking the return value. Fix it by adding missing > check. > > Fixes: deeb4b5393e1 ("rtc: rzn1: Add new RTC driver") > > Signed-off-by: Yushan Zhou <katrinzhou@xxxxxxxxxxx> > --- > drivers/rtc/rtc-rzn1.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/rtc/rtc-rzn1.c b/drivers/rtc/rtc-rzn1.c > index ac788799c8e3..0d36bc50197c 100644 > --- a/drivers/rtc/rtc-rzn1.c > +++ b/drivers/rtc/rtc-rzn1.c > @@ -355,7 +355,9 @@ static int rzn1_rtc_probe(struct platform_device *pdev) > set_bit(RTC_FEATURE_ALARM_RES_MINUTE, rtc->rtcdev->features); > clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->rtcdev->features); > > - devm_pm_runtime_enable(&pdev->dev); > + ret = devm_pm_runtime_enable(&pdev->dev); > + if (ret < 0) > + return ret; > ret = pm_runtime_resume_and_get(&pdev->dev); > if (ret < 0) > return ret; Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> Thanks, Miquèl