From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Rothwell Subject: linux-next: build warning after merge of the vfs tree Date: Mon, 3 Jul 2017 10:53:47 +1000 Message-ID: <20170703105347.0ebf12a3@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from ozlabs.org ([103.22.144.67]:53341 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752094AbdGCAxv (ORCPT ); Sun, 2 Jul 2017 20:53:51 -0400 Sender: linux-next-owner@vger.kernel.org List-ID: To: Al Viro Cc: Linux-Next Mailing List , Linux Kernel Mailing List 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