watchdog: sch311x_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>

diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c
index 43d0cbb7ba0b9dfe8c662df42332c212f8997932..814cdf539b0f6ac6eb17cc4e5ab5a4208ea7837c 100644 (file)
--- a/drivers/watchdog/sch311x_wdt.c
+++ b/drivers/watchdog/sch311x_wdt.c
@@ -299,7 +299,7 @@ static long sch311x_wdt_ioctl(struct file *file, unsigned int cmd,
                if (sch311x_wdt_set_heartbeat(new_timeout))
                        return -EINVAL;
                sch311x_wdt_keepalive();
-               /* Fall */
+               /* Fall through */
        case WDIOC_GETTIMEOUT:
                return put_user(timeout, p);
        default: