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Date:   Wed, 22 May 2019 18:56:39 -0700
From:   Nathan Chancellor <>
To:     Cliff Whickman <>, Robin Holt <>
Cc:     Arnd Bergmann <>,
        Greg Kroah-Hartman <>,,
        Nick Desaulniers <>,
Subject: Re: -Wuninitialized warning in drivers/misc/sgi-xp/xpc_partition.c

On Thu, May 02, 2019 at 08:33:40PM -0700, Nathan Chancellor wrote:
> Hi all,
> When building with -Wuninitialized, Clang warns:
> drivers/misc/sgi-xp/xpc_partition.c:73:14: warning: variable 'buf' is uninitialized when used within its own initialization [-Wuninitialized]
>         void *buf = buf;
>               ~~~   ^~~
> 1 warning generated.
> I am not really sure how to properly initialize buf in this instance.
> I would assume it would involve xpc_kmalloc_cacheline_aligned like
> further down in the function but maybe not, this function isn't entirely
> clear. Could we get your input, this is one of the last warnings I see
> in a few allyesconfig builds.
> Thanks,
> Nathan

Hi all,

Friendly ping for comments/input. This is one of a few remaining
warnings I see, it'd be nice to get it fixed up so we can turn it on for
the whole kernel.


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