Re: watchdog: alim1535_wdt: mark expected switch fall-through

[Guenter Roeck <linux@roeck-us.net>]

On Thu, Nov 02, 2017 at 02:25:09PM -0500, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> Notice that in this particular case I replaced "Fall" with a proper
> "fall through" comment, which is what GCC is expecting to find.
> 
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
>  drivers/watchdog/alim1535_wdt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/watchdog/alim1535_wdt.c b/drivers/watchdog/alim1535_wdt.c
> index 3a17fbd..60f0c2e 100644
> --- a/drivers/watchdog/alim1535_wdt.c
> +++ b/drivers/watchdog/alim1535_wdt.c
> @@ -223,8 +223,8 @@ static long ali_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
>  		if (ali_settimer(new_timeout))
>  			return -EINVAL;
>  		ali_keepalive();
> -		/* Fall */
>  	}
> +		/* fall through */
>  	case WDIOC_GETTIMEOUT:
>  		return put_user(timeout, p);
>  	default: