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SubjectRe: [PATCH] watchdog: wdt977: Mark expected switch fall-through
On Mon, Jul 29, 2019 at 05:31:59PM -0500, Gustavo A. R. Silva wrote:
> 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>
> Reviewed-by: Kees Cook <keescook@chromium.org>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
> 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);

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