linux-hardening - Re: [PATCH 095/141] media: dvb_frontend: Fix fall-through warnings for Clang

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Date:   Sun, 22 Nov 2020 17:32:35 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 095/141] media: dvb_frontend: Fix fall-through warnings
 for Clang

Em Fri, 20 Nov 2020 12:36:57 -0600
"Gustavo A. R. Silva" <gustavoars@...nel.org> escreveu:

> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a break statement instead of letting the code fall
> through to the next case.
> 
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

> ---
>  drivers/media/dvb-core/dvb_frontend.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
> index 06ea30a689d7..fb35697dd93c 100644
> --- a/drivers/media/dvb-core/dvb_frontend.c
> +++ b/drivers/media/dvb-core/dvb_frontend.c
> @@ -984,6 +984,7 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe)
>  				 fe->ops.info.symbol_rate_max);
>  			return -EINVAL;
>  		}
> +		break;
>  	default:
>  		break;
>  	}



Thanks,
Mauro