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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20210617101018.6st3dshblabvdok2@maple.lan>
Date:   Thu, 17 Jun 2021 11:10:18 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Jason Wessel <jason.wessel@...driver.com>,
        Douglas Anderson <dianders@...omium.org>,
        kgdb-bugreport@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] kgdb: Fix fall-through warning for Clang

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@...nel.org>

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