watchdog: f71808e_wdt: mark expected switch fall-throughs

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>

diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
index 8658dba..e0678c1 100644 (file)
--- a/drivers/watchdog/f71808e_wdt.c
+++ b/drivers/watchdog/f71808e_wdt.c
@@ -627,7 +627,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
 
                if (new_options & WDIOS_ENABLECARD)
                        return watchdog_start();
-
+               /* fall through */
 
        case WDIOC_KEEPALIVE:
                watchdog_keepalive();
@@ -641,7 +641,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
                        return -EINVAL;
 
                watchdog_keepalive();
-               /* Fall */
+               /* fall through */
 
        case WDIOC_GETTIMEOUT:
                return put_user(watchdog.timeout, uarg.i);