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Message-ID: <20221107104916.64dc26d4@xps-13>
Date: Mon, 7 Nov 2022 10:49:16 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: zys.zljxml@...il.com
Cc: a.zummo@...ertech.it, alexandre.belloni@...tlin.com,
michel.pollet@...renesas.com, linux-rtc@...r.kernel.org,
linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
Yushan Zhou <katrinzhou@...cent.com>
Subject: Re: [PATCH] rtc: rzn1: Check return value in rzn1_rtc_probe
Hello,
zys.zljxml@...il.com wrote on Mon, 7 Nov 2022 17:25:44 +0800:
> From: Yushan Zhou <katrinzhou@...cent.com>
>
> 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@...cent.com>
> ---
> 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@...tlin.com>
Thanks,
Miquèl
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