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watchdog: watchdog_dev: 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 2017-11-03 18:03:27 -05:00 committed by Wim Van Sebroeck
parent 4d379727af
commit e2af3092d0
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/watchdog_dev.c
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@ -720,7 +720,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
err = watchdog_ping(wdd);
if (err < 0)
break;
/* Fall */
/* fall through */
case WDIOC_GETTIMEOUT:
/* timeout == 0 means that we don't know the timeout */
if (wdd->timeout == 0) {