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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 078E6C433FE for ; Mon, 17 Oct 2022 00:24:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229922AbiJQAYT (ORCPT ); Sun, 16 Oct 2022 20:24:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229921AbiJQAYO (ORCPT ); Sun, 16 Oct 2022 20:24:14 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7625A467 for ; Sun, 16 Oct 2022 17:24:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6696260EB6 for ; Mon, 17 Oct 2022 00:24:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAFC0C433D6; Mon, 17 Oct 2022 00:24:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1665966252; bh=s3+bJi9jvNbZtQzpfokFFHxibS4x+E0Kv48e4i/viOE=; h=Date:To:From:Subject:From; b=LZyl/YYE499DlawfjUyyIF2Q9pkBWOtQWbriOMkXZSQP7AYl2lfnalV/V3TQIhPR8 +qkiYIik+Qf4NreLmtc3Hmyu3Pep7O7VptEsZIhHkiITqirMkmkgVy8ArinWPSc+Ur 9Yu2QnywovQFv7A23DGUfdxsF3m6NJwPRwx5g+Bg= Date: Sun, 16 Oct 2022 17:24:12 -0700 To: mm-commits@vger.kernel.org, ysato@users.osdn.me, will@kernel.org, tsbogend@alpha.franken.de, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, oleg@redhat.com, npiggin@gmail.com, mpe@ellerman.id.au, linux@armlinux.org.uk, jonas@southpole.se, James.Bottomley@HansenPartnership.com, dinguyen@kernel.org, deller@gmx.de, davem@davemloft.net, dalias@libc.org, christophe.leroy@csgroup.eu, catalin.marinas@arm.com, bcain@quicinc.com, s.shtylyov@omp.ru, akpm@linux-foundation.org From: Andrew Morton Subject: + arm-ptrace-user_regset_copyin_ignore-always-returns-0.patch added to mm-nonmm-unstable branch Message-Id: <20221017002412.BAFC0C433D6@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: arm: ptrace: user_regset_copyin_ignore() always returns 0 has been added to the -mm mm-nonmm-unstable branch. Its filename is arm-ptrace-user_regset_copyin_ignore-always-returns-0.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arm-ptrace-user_regset_copyin_ignore-always-returns-0.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Sergey Shtylyov Subject: arm: ptrace: user_regset_copyin_ignore() always returns 0 Date: Sat, 15 Oct 2022 00:22:24 +0300 user_regset_copyin_ignore() always returns 0, so checking its result seems pointless -- don't do this anymore... Link: https://lkml.kernel.org/r/20221014212235.10770-3-s.shtylyov@omp.ru Signed-off-by: Sergey Shtylyov Cc: Brian Cain Cc: Catalin Marinas Cc: Christophe Leroy Cc: David S. Miller Cc: Dinh Nguyen Cc: Helge Deller Cc: James Bottomley Cc: Jonas Bonn Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Oleg Nesterov Cc: Rich Felker Cc: Russell King Cc: Stafford Horne Cc: Stefan Kristiansson Cc: Thomas Bogendoerfer Cc: Will Deacon Cc: Yoshinori Sato Signed-off-by: Andrew Morton --- arch/arm/kernel/ptrace.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) --- a/arch/arm/kernel/ptrace.c~arm-ptrace-user_regset_copyin_ignore-always-returns-0 +++ a/arch/arm/kernel/ptrace.c @@ -651,11 +651,9 @@ static int vfp_set(struct task_struct *t if (ret) return ret; - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - user_fpregs_offset + sizeof(new_vfp.fpregs), - user_fpscr_offset); - if (ret) - return ret; + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + user_fpregs_offset + sizeof(new_vfp.fpregs), + user_fpscr_offset); ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &new_vfp.fpscr, _ Patches currently in -mm which might be from s.shtylyov@omp.ru are arc-ptrace-user_regset_copyin_ignore-always-returns-0.patch arm-ptrace-user_regset_copyin_ignore-always-returns-0.patch arm64-ptrace-user_regset_copyin_ignore-always-returns-0.patch hexagon-ptrace-user_regset_copyin_ignore-always-returns-0.patch ia64-ptrace-user_regset_copyin_ignore-always-returns-0.patch mips-ptrace-user_regset_copyin_ignore-always-returns-0.patch nios2-ptrace-user_regset_copyin_ignore-always-returns-0.patch openrisc-ptrace-user_regset_copyin_ignore-always-returns-0.patch parisc-ptrace-user_regset_copyin_ignore-always-returns-0.patch powerpc-ptrace-user_regset_copyin_ignore-always-returns-0.patch sh-ptrace-user_regset_copyin_ignore-always-returns-0.patch sparc-ptrace-user_regset_copyin_ignore-always-returns-0.patch regset-make-user_regset_copyin_ignore-void.patch