watchdog: eurotechwdt: 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>

diff --git a/drivers/watchdog/eurotechwdt.c b/drivers/watchdog/eurotechwdt.c
index 38e9671..47f77a6 100644 (file)
--- a/drivers/watchdog/eurotechwdt.c
+++ b/drivers/watchdog/eurotechwdt.c
@@ -290,7 +290,7 @@ static long eurwdt_ioctl(struct file *file,
                eurwdt_timeout = time;
                eurwdt_set_timeout(time);
                spin_unlock(&eurwdt_lock);
-               /* Fall */
+               /* fall through */
 
        case WDIOC_GETTIMEOUT:
                return put_user(eurwdt_timeout, p);