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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Kees Cook <keescook@chromium.org>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Jason Wessel <jason.wessel@windriver.com>,
	Daniel Thompson <daniel.thompson@linaro.org>,
	Douglas Anderson <dianders@chromium.org>,
	kgdb-bugreport@lists.sourceforge.net,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH][next] kgdb: Fix fall-through warning for Clang
Date: Tue, 1 Jun 2021 17:13:42 -0500	[thread overview]
Message-ID: <0d53a68c-b445-1df6-43a9-eff1a54f8fce@embeddedor.com> (raw)
In-Reply-To: <202106011220.AA0C1482@keescook>



On 6/1/21 14:20, Kees Cook wrote:
> 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@kernel.org>
>> ---
>> 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.
> 
> So close! :)

Almost there!

> Reviewed-by: Kees Cook <keescook@chromium.org>

Thanks

--
Gustavo

> 
> -Kees
> 
>>
>>  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
>>
> 

  reply	other threads:[~2021-06-01 22:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-28 20:02 [PATCH][next] kgdb: Fix fall-through warning for Clang Gustavo A. R. Silva
2021-06-01 19:20 ` Kees Cook
2021-06-01 22:13   ` Gustavo A. R. Silva [this message]
2021-06-17 10:10 ` Daniel Thompson

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