watchdog: wafer5823wdt: 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/wafer5823wdt.c b/drivers/watchdog/wafer5823wdt.c
index db0da7ea4fd8d8c12514f1f8552b1f425c84d9bc..93c5b610e2648ad9f2e87a8612b4f85389bd253c 100644 (file)
--- a/drivers/watchdog/wafer5823wdt.c
+++ b/drivers/watchdog/wafer5823wdt.c
@@ -178,7 +178,7 @@ static long wafwdt_ioctl(struct file *file, unsigned int cmd,
                timeout = new_timeout;
                wafwdt_stop();
                wafwdt_start();
-               /* Fall */
+               /* Fall through */
        case WDIOC_GETTIMEOUT:
                return put_user(timeout, p);