linux-kernel - Re: [PATCH 0/3] drm/i915: Enable -Wsometimes-uninitialized

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Date:   Tue, 14 Sep 2021 20:10:14 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Nathan Chancellor <nathan@...nel.org>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>
Cc:     Jason Ekstrand <jason@...kstrand.net>,
        Thomas Hellström 
        <thomas.hellstrom@...ux.intel.com>,
        Matthew Auld <matthew.auld@...el.com>,
        "Michael J. Ruhl" <michael.j.ruhl@...el.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        llvm@...ts.linux.dev
Subject: Re: [PATCH 0/3] drm/i915: Enable -Wsometimes-uninitialized

On Mon, 13 Sep 2021, Nathan Chancellor <nathan@...nel.org> wrote:
> On Tue, Aug 24, 2021 at 03:54:24PM -0700, Nathan Chancellor wrote:
>> Commit 46e2068081e9 ("drm/i915: Disable some extra clang warnings")
>> disabled -Wsometimes-uninitialized as noisy but there have been a few
>> fixes to clang that make the false positive rate fairly low so it should
>> be enabled to help catch obvious mistakes. The first two patches fix
>> revent instances of this warning then enables it for i915 like the rest
>> of the tree.
>> 
>> Cheers,
>> Nathan
>> 
>> Nathan Chancellor (3):
>>   drm/i915/selftests: Do not use import_obj uninitialized
>>   drm/i915/selftests: Always initialize err in
>>     igt_dmabuf_import_same_driver_lmem()
>>   drm/i915: Enable -Wsometimes-uninitialized
>> 
>>  drivers/gpu/drm/i915/Makefile                        | 1 -
>>  drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c | 7 ++++---
>>  2 files changed, 4 insertions(+), 4 deletions(-)
>> 
>> 
>> base-commit: fb43ebc83e069625cfeeb2490efc3ffa0013bfa4
>> -- 
>> 2.33.0
>> 
>> 
>
> Ping, could this be picked up for an -rc as these are very clearly bugs?

Thanks for the patches and review. Pushed to drm-intel-gt-next and
cherry-picked to drm-intel-fixes, header to -rc2.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center