linux-kernel - Re: [PATCH] iio: mma8452: Mark expected switch fall-through

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Date:   Sat, 7 Jul 2018 18:04:35 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: mma8452: Mark expected switch fall-through

On Tue, 3 Jul 2018 14:44:36 -0500
"Gustavo A. R. Silva" <gustavo@...eddedor.com> wrote:

> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> Warning level 2 was used in this case: -Wimplicit-fallthrough=2
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to ignore.

Thanks,

Jonathan

> ---
>  drivers/iio/accel/mma8452.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
> index c149c9c..421a0a8 100644
> --- a/drivers/iio/accel/mma8452.c
> +++ b/drivers/iio/accel/mma8452.c
> @@ -1547,6 +1547,7 @@ static int mma8452_probe(struct i2c_client *client,
>  	case FXLS8471_DEVICE_ID:
>  		if (ret == data->chip_info->chip_id)
>  			break;
> +		/* else: fall through */
>  	default:
>  		return -ENODEV;
>  	}