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 9DF93C43219 for ; Mon, 17 Oct 2022 00:24:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229928AbiJQAYh (ORCPT ); Sun, 16 Oct 2022 20:24:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229921AbiJQAYd (ORCPT ); Sun, 16 Oct 2022 20:24:33 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C63710049 for ; Sun, 16 Oct 2022 17:24:32 -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 ams.source.kernel.org (Postfix) with ESMTPS id E5EFEB80E2B for ; Mon, 17 Oct 2022 00:24:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97BCBC433D6; Mon, 17 Oct 2022 00:24:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1665966269; bh=YhftDVZoPw7H+PFpAgaFINAEm8fTnwCZyKa6BYC3fg8=; h=Date:To:From:Subject:From; b=tJYoqS03y+Kp7hXtKG0Tkt4Pv1TabO6RgoNFMDtftzTHRqNkJ5fRU65MJqaD/aP6V uYD7QOvR/Stu9nqoVVV2Y5o+OTTmeMfku4oVkDaUQlawNEXWCm/mC9cKrJJWOSJQL8 /ltScq7HdC5BC9DOPMLznuvQaatAEPp/4SNBugsk= Date: Sun, 16 Oct 2022 17:24:28 -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: + nios2-ptrace-user_regset_copyin_ignore-always-returns-0.patch added to mm-nonmm-unstable branch Message-Id: <20221017002429.97BCBC433D6@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: nios2: ptrace: user_regset_copyin_ignore() always returns 0 has been added to the -mm mm-nonmm-unstable branch. Its filename is nios2-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/nios2-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: nios2: ptrace: user_regset_copyin_ignore() always returns 0 Date: Sat, 15 Oct 2022 00:22:29 +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/20221014212235.10770-8-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/nios2/kernel/ptrace.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/arch/nios2/kernel/ptrace.c~nios2-ptrace-user_regset_copyin_ignore-always-returns-0 +++ a/arch/nios2/kernel/ptrace.c @@ -54,7 +54,7 @@ static int genregs_set(struct task_struc #define REG_IGNORE_RANGE(START, END) \ if (!ret) \ - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, \ + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, \ START * 4, (END * 4) + 4); #define REG_IN_ONE(PTR, LOC) \ @@ -80,8 +80,8 @@ static int genregs_set(struct task_struc REG_IN_ONE(®s->ra, PTR_RA); REG_IN_ONE(®s->ea, PTR_PC); /* use ea for PC */ if (!ret) - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - PTR_STATUS * 4, -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + PTR_STATUS * 4, -1); return ret; } _ 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