Re: linux-next: build warning after merge of the mm tree

From: Stephen Rothwell
Date: Thu May 05 2022 - 17:38:35 EST


Hi all,

On Fri, 6 May 2022 07:35:37 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> After merging the mm tree, today's linux-next build (i386 allmodconfig
> clang14) produced this warning:
>
> mm/shmem.c:1704:7: error: variable 'folio' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
>
> Introduced by commit
>
> 2b58b3f33ba2 ("mm/shmem: convert shmem_swapin_page() to shmem_swapin_folio()")
>
> 'folio' is used in the error path.

This is actually a build failure.

--
Cheers,
Stephen Rothwell

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