Re: [PATCH v2 -next] rtc: mt6397: drop free_irq of devm_xx allocated irq

From: Alexandre Belloni
Date: Wed Dec 04 2019 - 03:40:43 EST


On 04/12/2019 15:28:26+0800, Mao Wenan wrote:
> rtc->irq is requested by devm_request_threaded_irq,
> and request_threaded_irq. IRQs requested with this
> function will be automatically freed on driver detach.
> This patch remove unused error label as well.
>
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx>
> ---
> v2: remove error label as Dan Carpenter suggest.
> drivers/rtc/rtc-mt6397.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
> index 5249fc99fd5f..14f3c4915260 100644
> --- a/drivers/rtc/rtc-mt6397.c
> +++ b/drivers/rtc/rtc-mt6397.c
> @@ -287,13 +287,6 @@ static int mtk_rtc_probe(struct platform_device *pdev)
> rtc->rtc_dev->ops = &mtk_rtc_ops;
>
> ret = rtc_register_device(rtc->rtc_dev);
> - if (ret)
> - goto out_free_irq;
> -
> - return 0;
> -
> -out_free_irq:
> - free_irq(rtc->irq, rtc);
> return ret;

Maybe return rtc_register_device(rtc->rtc_dev);

> }
>
> --
> 2.20.1
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com