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=-4.1 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 BB7DCC433E0 for ; Wed, 5 Aug 2020 04:21:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FD492177B for ; Wed, 5 Aug 2020 04:21:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="EfHCEHgy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726155AbgHEEVl (ORCPT ); Wed, 5 Aug 2020 00:21:41 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:41283 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725869AbgHEEVk (ORCPT ); Wed, 5 Aug 2020 00:21:40 -0400 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 4BLz355RxNz9sR4; Wed, 5 Aug 2020 14:21:37 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1596601298; bh=9/Ju+/Xussb/ote8CHBRpX6DLYqDGs3gDRp1ZF8tC9s=; h=Date:From:To:Cc:Subject:From; b=EfHCEHgy3+2g+UIRvE75Exr0psERtp+ObDAw/ZhdGsL4YtNUTagdya4f6D3c9+Y6F +yOfzi65SsVO85mBwobqzTiyMjqlyDKeTab4CZXYNKKbRdPHFpyeGvNoj8UQp04piO zEimRaelUnN82DhFYfh65Ds9o4sSy4EndUuesPNf43ze1PMInjGRuWZEUPSHdBKldV mBS+6kVZT236knSwOhnWqQ1LrwGwaurgQJ5rzlaPtO5ojbw/qPL27H18vKreCi9SKT 6JFHcA2aE2MiVR7z+T/lurKfYFKiavUk8iuRBA0vbsH2rz/Q9qO9/1KuhVhlhQv1ky 4gErIZcxQ54ow== Date: Wed, 5 Aug 2020 14:21:36 +1000 From: Stephen Rothwell To: Steven Rostedt Cc: Linux Next Mailing List , Linux Kernel Mailing List , Muchun Song , Chengming Zhou , Masami Hiramatsu Subject: linux-next: build warning after merge of the ftrace tree Message-ID: <20200805142136.0331f7ea@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_///VPlk6Nxq/A0GAJG8zzfE="; protocol="application/pgp-signature"; micalg=pgp-sha256 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_///VPlk6Nxq/A0GAJG8zzfE= Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the ftrace tree, today's linux-next build (powerpc ppc64_defconfig) produced this warning: kernel/kprobes.c: In function 'kill_kprobe': kernel/kprobes.c:1116:33: warning: statement with no effect [-Wunused-value] 1116 | #define disarm_kprobe_ftrace(p) (-ENODEV) | ^ kernel/kprobes.c:2154:3: note: in expansion of macro 'disarm_kprobe_ftrace' 2154 | disarm_kprobe_ftrace(p); | ^~~~~~~~~~~~~~~~~~~~ Introduced by commit 0cb2f1372baa ("kprobes: Fix NULL pointer dereference at kprobe_ftrace_han= dler") --=20 Cheers, Stephen Rothwell --Sig_///VPlk6Nxq/A0GAJG8zzfE= Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAl8qM9AACgkQAVBC80lX 0GyeIAf/WyTt45Mf+MRVtcBLBOvHjIGybGiZLBcnGwu2RZNuHU17bpMJHpt4MbSP 0r3sSn+j/JnfCeblyjJUU11X2Z741AcZsSeQBx9hiKXJHPqQHjzJvvBEja4bWD39 4kbEtgT04kOm/3BocwksplMJBs72Ebgpb2N2q9x/NQR6FH7kAbAjx/CO4jSs94mP 7N2mA82PRUdHq62Zfuj0hqidj/OECfsZE9TVcHxg6YApB5JthWuQ/D0T2OXTKVt7 +QL2vkCNVdFIS5m5Y6a1eBCVgZwqoL5A4/BNp5s/B5Aze5aic/PdPu5KxNGDKdWh y9q023WXEJLWtp8ZVRcl5xZD+uMHcA== =18AG -----END PGP SIGNATURE----- --Sig_///VPlk6Nxq/A0GAJG8zzfE=--