Re: [PATCH][next] kgdb: Fix fall-through warning for Clang

From: Daniel Thompson
Date: Thu Jun 17 2021 - 06:10:25 EST


On Fri, May 28, 2021 at 03:02:22PM -0500, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a
> fall-through warning by explicitly adding a goto statement 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>

Applied, thanks.


> ---
> JFYI: We had thousands of these sorts of warnings and now we are down
> to just 25 in linux-next. This is one of those last remaining
> warnings.
>
> kernel/debug/debug_core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
> index 4708aec492df..431749dd9ab6 100644
> --- a/kernel/debug/debug_core.c
> +++ b/kernel/debug/debug_core.c
> @@ -1038,6 +1038,7 @@ dbg_notify_reboot(struct notifier_block *this, unsigned long code, void *x)
> switch (kgdbreboot) {
> case 1:
> kgdb_breakpoint();
> + goto done;
> case -1:
> goto done;
> }
> --
> 2.27.0