watchdog: pcwd_usb: 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 <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
This commit is contained in:
Gustavo A. R. Silva 2017-11-03 09:53:41 -05:00 • committed by Wim Van Sebroeck
commit 3d002ea611

View file

@ -456,8 +456,8 @@ static long usb_pcwd_ioctl(struct file *file, unsigned int cmd,
return -EINVAL;
usb_pcwd_keepalive(usb_pcwd_device);
/* Fall */
}
/* fall through */
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, p);