linux-kernel - Re: [PATCH RESEND][next] drm/nouveau/clk: Fix fall-through warnings for Clang

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Message-ID: <f6834e09-c329-8546-19c1-d58adbf0f36a@embeddedor.com>
Date:   Thu, 3 Jun 2021 23:28:57 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH RESEND][next] drm/nouveau/clk: Fix fall-through warnings
 for Clang

Hi all,

If you don't mind, 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 6/1/21 17:57, Gustavo A. R. Silva wrote:
> Hi,
> 
> Friendly second ping: who can take this?
> 
> I can add this to my -next branch for 5.14 if you don't mind.
> 
> JFYI: We had thousands of these sorts of warnings and now we are down
> to just 23 in linux-next. This is one of those last remaining warnings.
> 
> Thanks
> --
> Gustavo
> 
> On 4/20/21 15:13, Gustavo A. R. Silva wrote:
>> Hi all,
>>
>> Friendly ping: who can take this, please?
>>
>> Thanks
>> --
>> Gustavo
>>
>> On 3/5/21 03:56, Gustavo A. R. Silva wrote:
>>> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
>>> by explicitly adding a break 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>
>>> ---
>>>  drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
>>> index 83067763c0ec..e1d31c62f9ec 100644
>>> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
>>> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
>>> @@ -313,6 +313,7 @@ nv50_clk_read(struct nvkm_clk *base, enum nv_clk_src src)
>>>  		default:
>>>  			break;
>>>  		}
>>> +		break;
>>>  	default:
>>>  		break;
>>>  	}
>>>