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

From: Guenter Roeck
Date: Fri Nov 03 2017 - 09:32:38 EST


On Thu, Nov 02, 2017 at 02:21:36PM -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@xxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/advantechwdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/advantechwdt.c b/drivers/watchdog/advantechwdt.c
> index 7d7db0c..f619443 100644
> --- a/drivers/watchdog/advantechwdt.c
> +++ b/drivers/watchdog/advantechwdt.c
> @@ -181,7 +181,7 @@ static long advwdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
> if (advwdt_set_heartbeat(new_timeout))
> return -EINVAL;
> advwdt_ping();
> - /* Fall */
> + /* fall through */
> case WDIOC_GETTIMEOUT:
> return put_user(timeout, p);
> default: