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

From: Gustavo A. R. Silva
Date: Fri May 28 2021 - 16:37:27 EST




On 5/28/21 15:08, Steven Rostedt wrote:
> On Fri, 28 May 2021 14:59:42 -0500
> "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx> wrote:
>
>> In preparation to enable -Wimplicit-fallthrough for Clang, fix
>> a fall-through warning by replacing a /* fall through */ comment
>> with the new pseudo-keyword macro fallthrough;
>>
>> Notice that Clang doesn't recognize /* fall through */ comments as
>> implicit fall-through markings, so in order to globally enable
>> -Wimplicit-fallthrough for Clang, these comments need to be
>> replaced with fallthrough; in the whole codebase.
>>
>> Link: https://github.com/KSPP/linux/issues/115
>> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
>> ---
>> 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.
>
> And I have it fixed locally already.
>
> https://lore.kernel.org/lkml/20210511140246.18868-1-jj251510319013@xxxxxxxxx/
>
> I've just been on vacation and haven't pushed it to next yet. It's still in
> the "to be tested" queue.

Awesome! :)

Thanks, Steven.
--
Gustavo