Re: [PATCH 057/141] watchdog: Fix fall-through warnings for Clang

From: Gustavo A. R. Silva
Date: Mon May 17 2021 - 19:53:59 EST


Hi all,

I'm taking this in my -next[1] branch for v5.14.

Thanks
--
Gustavo

[1] https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/log/?h=for-next/kspp

On 11/20/20 12:32, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a fallthrough pseudo-keyword instead of letting the
> code fall through to the next case.
>
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
> ---
> drivers/watchdog/machzwd.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
> index 743377c5b173..73f2221f6222 100644
> --- a/drivers/watchdog/machzwd.c
> +++ b/drivers/watchdog/machzwd.c
> @@ -174,6 +174,7 @@ static inline void zf_set_timer(unsigned short new, unsigned char n)
> fallthrough;
> case WD2:
> zf_writeb(COUNTER_2, new > 0xff ? 0xff : new);
> + fallthrough;
> default:
> return;
> }
>