linux-kernel - Re: [PATCH v2] iio: core: Mark expected switch fall-through

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Message-ID: <20171119144850.4d103283@archlinux>
Date:   Sun, 19 Nov 2017 14:48:50 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     "Gustavo A. R. Silva" <garsilva@...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 v2] iio: core: Mark expected switch fall-through

On Wed, 8 Nov 2017 12:08:26 -0600
"Gustavo A. R. Silva" <garsilva@...eddedor.com> wrote:

> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> Addresses-Coverity-ID: 1397962
> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
Applied to the togreg branch of iio.git and will be pushed out as
testing. 

Thanks,

Jonathan
> ---
> Changes in v2:
>  Fix subject line.
> 
>  drivers/iio/industrialio-core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index 9c4cfd1..2e8e36f 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -588,6 +588,7 @@ static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type,
>  		return snprintf(buf, len, "%d", vals[0]);
>  	case IIO_VAL_INT_PLUS_MICRO_DB:
>  		scale_db = true;
> +		/* fall through */
>  	case IIO_VAL_INT_PLUS_MICRO:
>  		if (vals[1] < 0)
>  			return snprintf(buf, len, "-%d.%06u%s", abs(vals[0]),