watchdog: advantechwdt: mark expected switch fall-through

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>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Gustavo A. R. Silva 2017-11-02 14:21:36 -05:00 committed by Wim Van Sebroeck
parent c94ad30add
commit 083ccebb56

View File

@ -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: