Re: [PATCH] watchdog: w83977f_wdt: Mark expected switch fall-through

[Guenter Roeck]

On 03/27/2018 12:30 PM, 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 <gustavo@xxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
>   drivers/watchdog/w83977f_wdt.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/w83977f_wdt.c b/drivers/watchdog/w83977f_wdt.c
> index 20e2bba..672b61a 100644
> --- a/drivers/watchdog/w83977f_wdt.c
> +++ b/drivers/watchdog/w83977f_wdt.c
> @@ -427,7 +427,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
>   			return -EINVAL;
>   
>   		wdt_keepalive();
> -		/* Fall */
> +		/* Fall through */
>   
>   	case WDIOC_GETTIMEOUT:
>   		return put_user(timeout, uarg.i);