From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EA4EC433E0 for ; Thu, 28 Jan 2021 08:48:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D93F6024A for ; Thu, 28 Jan 2021 08:48:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231350AbhA1Iq3 (ORCPT ); Thu, 28 Jan 2021 03:46:29 -0500 Received: from bilbo.ozlabs.org ([203.11.71.1]:58793 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231377AbhA1IqS (ORCPT ); Thu, 28 Jan 2021 03:46:18 -0500 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4DRDbX4gcDz9sVF; Thu, 28 Jan 2021 19:46:32 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1611823592; bh=I4nxG7IMxLIT36FSu452hCBmTP4QGyNgoR3QBLaSwIc=; h=Date:From:To:Cc:Subject:From; b=FnRy1OxEIFidI7/4Wq+6r5BZnTq8gaV7UrsY0w4uQ8qi2zxIdyqb9kZLgzttJyxOk X9y0nmkr5O9TKA7ASr6cFioRpSm9O2UN7nm36Pgu1mc9kMJ1q0MTMIcWsgaEkI1D6h DJt2LqNzKgzIo+0J6GV1Tvb8daXpNdzFq5Jccja0ULPsNwZ+lkgTlsEb0xFUodClFU hR7f7taetVDpUQJ7en+/CLX+Wd114/Ksv74z+t8jEV6/tAYbgdtcmNCKOGx8cAsOo7 wMGl+wOZxJlOoMnQAhj0SvRd3g6J8OfFgqQ2leNaOl0TLVADP1cXlA+fW9zydrX3Cn 7oxfw1HjxuGtA== Date: Thu, 28 Jan 2021 19:46:31 +1100 From: Stephen Rothwell To: Andrew Morton Cc: Vijayanand Jitta , Vinayak Menon , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build warning after merge of the akpm tree Message-ID: <20210128194631.13e14818@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/yAAHW/0L8Nk5t3QC=k5eK+V"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org --Sig_/yAAHW/0L8Nk5t3QC=k5eK+V Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the akpm tree, today's linux-next build (x86_64 allmodconfig) produced this warning: lib/stackdepot.c: In function 'is_stack_depot_disabled': lib/stackdepot.c:154:2: warning: ignoring return value of 'kstrtobool' decl= ared with attribute 'warn_unused_result' [-Wunused-result] 154 | kstrtobool(str, &stack_depot_disable); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Introduced by commit b9779abb09a8 ("lib: stackdepot: add support to disable stack depot") Interestingly, we have 2 declarations of kstrtobool - one in linux/kernel.h (which has __must_check) and one in linux/strings.h (which doesn't). --=20 Cheers, Stephen Rothwell --Sig_/yAAHW/0L8Nk5t3QC=k5eK+V Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmASeecACgkQAVBC80lX 0GwzUwf+JHnkAnD5L8UG/gmcYHmmCw1l+2u5bzfriZS5ZTB2Vq3k4/7ZNXPHb+Xs xweotl4vZAJZu9Fp4cUwn+H8fXGzvEEGBjH0XAc/Swd0Q42ft0PlST1mUWCYGTkO jtMCinTDs0F+XS2jmMVYqMH8ckD7b1Yd73V5Gi26Nw7q9sdoolrRoSvZtWIdrhk4 EDY9OpatS97PGHV5bwk7AlOAXPgqNzWlFlRh2fcnFr6ZV4uanoT+4PMuOrLnu0xQ NFQR439O2XRiBSJa0F936J2nMdIB5mxzG253vh0dVzCaJGNRAqjzdQlunPmVxadQ S0NdxcYw/Yr8lcsC5igDQ29u0cIesw== =DVIS -----END PGP SIGNATURE----- --Sig_/yAAHW/0L8Nk5t3QC=k5eK+V--