linux-kernel - Re: [PATCH 11/20] media: lmedm04: don't ignore errors when setting a filter

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Date:   Fri, 26 Nov 2021 13:16:25 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Malcolm Priestley <tvboxspy@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: Re: [PATCH 11/20] media: lmedm04: don't ignore errors when setting a
 filter

On Wed, Nov 24, 2021 at 08:13:14PM +0100, Mauro Carvalho Chehab wrote:
> Solves a clang warning
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

Reviewed-by: Nathan Chancellor <nathan@...nel.org>

> ---
> 
> To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
> See [PATCH 00/20] at: https://lore.kernel.org/all/cover.1637781097.git.mchehab+huawei@kernel.org/
> 
>  drivers/media/usb/dvb-usb-v2/lmedm04.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c
> index fe4d886442a4..8a34e6c0d6a6 100644
> --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c
> +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c
> @@ -423,6 +423,9 @@ static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
>  
>  	mutex_unlock(&d->i2c_mutex);
>  
> +	if (ret)
> +		return -EREMOTEIO;
> +
>  	return 0;
>  }
>  
> -- 
> 2.33.1
> 
>