linux-hardening - Re: [PATCH 087/141] hwmon: (max6621) Fix fall-through warnings for Clang

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Message-ID: <20201121185026.GC114144@roeck-us.net>
Date:   Sat, 21 Nov 2020 10:50:26 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH 087/141] hwmon: (max6621) Fix fall-through warnings for
 Clang

On Fri, Nov 20, 2020 at 12:36:09PM -0600, Gustavo A. R. Silva wrote:
> 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>

Acked-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/hwmon/max6621.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/max6621.c b/drivers/hwmon/max6621.c
> index 367855d5edae..7821132e17fa 100644
> --- a/drivers/hwmon/max6621.c
> +++ b/drivers/hwmon/max6621.c
> @@ -156,7 +156,7 @@ max6621_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr,
>  		default:
>  			break;
>  		}
> -
> +		break;
>  	default:
>  		break;
>  	}
> -- 
> 2.27.0
>