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

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Message-ID: <20170703105347.0ebf12a3@canb.auug.org.au>
Date:   Mon, 3 Jul 2017 10:53:47 +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: linux-next: build warning after merge of the vfs tree

Hi Al,

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")

-- 
Cheers,
Stephen Rothwell