From: Yushan Zhou katrinzhou@tencent.com
[ Upstream commit 9800f24f7bd5b99fb4fc4ce981427102e2e15a1c ]
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@tencent.com Reviewed-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/r/20221107092544.3721053-1-zys.zljxml@gmail.com Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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;