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

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Date:   Mon, 10 Jul 2017 09:34:30 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the vfs tree

Hi Al,

On Mon, 3 Jul 2017 10:53:47 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the vfs tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
> 
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c: In function 'kiblnd_send':
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1643:2: warning: ignoring return value of 'copy_from_iter', declared with attribute warn_unused_result [-Wunused-result]
>   copy_from_iter(&ibmsg->ibm_u.immediate.ibim_payload, IBLND_MSG_SIZE,
>   ^
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c: In function 'kiblnd_recv':
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1744:3: warning: ignoring return value of 'copy_to_iter', declared with attribute warn_unused_result [-Wunused-result]
>    copy_to_iter(&rxmsg->ibm_u.immediate.ibim_payload,
>    ^
> 
> Introduced by commit
> 
>   aa28de275a24 ("iov_iter/hardening: move object size checks to inlined part")

These are now in Linus' tree ...
-- 
Cheers,
Stephen Rothwell