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Subject: Re: [PATCH RESEND][next] drm/nouveau: Fix fall-through warnings for
 Clang
From:   "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To:     "Gustavo A. R. Silva" <gustavoars@kernel.org>,
        Ben Skeggs <bskeggs@redhat.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>
Cc:     dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
        linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org,
        Kees Cook <keescook@chromium.org>
References: <20210305095657.GA142006@embeddedor>
 <79ff569a-5828-ef21-538b-12d07d34a4ff@embeddedor.com>
Message-ID: <1ec627af-514e-b24a-da88-13eb561ccb15@embeddedor.com>
Date:   Tue, 1 Jun 2021 17:56:50 -0500
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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 couple
>> of warnings by explicitly adding a couple of break statements 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>
>> ---
>>  drivers/gpu/drm/nouveau/nouveau_bo.c        | 1 +
>>  drivers/gpu/drm/nouveau/nouveau_connector.c | 1 +
>>  2 files changed, 2 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
>> index 2375711877cf..62903c3b368d 100644
>> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
>> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
>> @@ -443,6 +443,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
>>  			break;
>>  		case TTM_PL_TT:
>>  			error |= !(domain & NOUVEAU_GEM_DOMAIN_GART);
>> +			break;
>>  		default:
>>  			break;
>>  		}
>> diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
>> index 61e6d7412505..eb844cdcaec2 100644
>> --- a/drivers/gpu/drm/nouveau/nouveau_connector.c
>> +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
>> @@ -157,6 +157,7 @@ nouveau_conn_atomic_set_property(struct drm_connector *connector,
>>  			default:
>>  				break;
>>  			}
>> +			break;
>>  		case DRM_MODE_SCALE_FULLSCREEN:
>>  		case DRM_MODE_SCALE_CENTER:
>>  		case DRM_MODE_SCALE_ASPECT:
>>