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Subject[PATCH] watchdog: wdt977: Mark expected switch fall-through
Mark switch cases where we are expecting to fall through.

This patch fixes the following warning (Building: arm):

drivers/watchdog/wdt977.c: In function ‘wdt977_ioctl’:
LD [M] drivers/media/platform/vicodec/vicodec.o
drivers/watchdog/wdt977.c:400:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
wdt977_keepalive();
^~~~~~~~~~~~~~~~~~
drivers/watchdog/wdt977.c:403:2: note: here
case WDIOC_GETTIMEOUT:
^~~~

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
drivers/watchdog/wdt977.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/wdt977.c b/drivers/watchdog/wdt977.c
index 567005d7598e..5c52c73e1839 100644
--- a/drivers/watchdog/wdt977.c
+++ b/drivers/watchdog/wdt977.c
@@ -398,7 +398,7 @@ static long wdt977_ioctl(struct file *file, unsigned int cmd,
return -EINVAL;

wdt977_keepalive();
- /* Fall */
+ /* Fall through */

case WDIOC_GETTIMEOUT:
return put_user(timeout, uarg.i);
--
2.22.0
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