From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Jim Cromie <jim.cromie@gmail.com>,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>
Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
Kees Cook <keescook@chromium.org>
Subject: [PATCH] watchdog: scx200_wdt: Mark expected switch fall-through
Date: Mon, 29 Jul 2019 15:06:02 -0500 [thread overview]
Message-ID: <20190729200602.GA6854@embeddedor> (raw)
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning (Building: i386):
drivers/watchdog/scx200_wdt.c: In function ‘scx200_wdt_ioctl’:
drivers/watchdog/scx200_wdt.c:188:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
scx200_wdt_ping();
^~~~~~~~~~~~~~~~~
drivers/watchdog/scx200_wdt.c:189:2: note: here
case WDIOC_GETTIMEOUT:
^~~~
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
drivers/watchdog/scx200_wdt.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/watchdog/scx200_wdt.c b/drivers/watchdog/scx200_wdt.c
index efd7996694de..46268309ee9b 100644
--- a/drivers/watchdog/scx200_wdt.c
+++ b/drivers/watchdog/scx200_wdt.c
@@ -186,6 +186,7 @@ static long scx200_wdt_ioctl(struct file *file, unsigned int cmd,
margin = new_margin;
scx200_wdt_update_margin();
scx200_wdt_ping();
+ /* Fall through */
case WDIOC_GETTIMEOUT:
if (put_user(margin, p))
return -EFAULT;
--
2.22.0
next reply other threads:[~2019-07-29 20:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-29 20:06 Gustavo A. R. Silva [this message]
2019-07-29 20:20 ` [PATCH] watchdog: scx200_wdt: Mark expected switch fall-through Guenter Roeck
2019-07-29 21:47 ` Kees Cook
2019-07-30 17:08 ` Guenter Roeck
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