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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 <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>
hifive-unleashed-5.1
Gustavo A. R. Silva 2017-11-03 09:53:41 -05:00 committed by Wim Van Sebroeck
parent fd846b57a6
commit 3d002ea611
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/pcwd_usb.c
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@ -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);