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watchdog: w83977f_wdt: 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 <gustavo@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 2018-03-27 14:30:41 -05:00 committed by Wim Van Sebroeck
parent a03cc689e5
commit 3ff0751fa0
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/w83977f_wdt.c
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@ -427,7 +427,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return -EINVAL;
wdt_keepalive();
/* Fall */
/* Fall through */
case WDIOC_GETTIMEOUT:
return put_user(timeout, uarg.i);