watchdog: f71808e_wdt: mark expected switch fall-throughs

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 14:28:17 -05:00 committed by Wim Van Sebroeck
parent a9868bcc4f
commit fd846b57a6

View File

@ -627,7 +627,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
if (new_options & WDIOS_ENABLECARD)
return watchdog_start();
/* fall through */
case WDIOC_KEEPALIVE:
watchdog_keepalive();
@ -641,7 +641,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
return -EINVAL;
watchdog_keepalive();
/* Fall */
/* fall through */
case WDIOC_GETTIMEOUT:
return put_user(watchdog.timeout, uarg.i);