From patchwork Fri Oct 14 21:22:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Shtylyov X-Patchwork-Id: 13007339 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 13857C43219 for ; Fri, 14 Oct 2022 21:24:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230023AbiJNVYT (ORCPT ); Fri, 14 Oct 2022 17:24:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229955AbiJNVYD (ORCPT ); Fri, 14 Oct 2022 17:24:03 -0400 Received: from mx01.omp.ru (mx01.omp.ru [90.154.21.10]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C08891DD890; Fri, 14 Oct 2022 14:23:55 -0700 (PDT) Received: from localhost.localdomain (178.176.75.138) by msexch01.omp.ru (10.188.4.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.986.14; Sat, 15 Oct 2022 00:23:08 +0300 From: Sergey Shtylyov To: Oleg Nesterov , "James E.J. Bottomley" , Helge Deller , , CC: Andrew Morton Subject: [PATCH 09/13] parisc: ptrace: user_regset_copyin_ignore() always returns 0 Date: Sat, 15 Oct 2022 00:22:31 +0300 Message-ID: <20221014212235.10770-10-s.shtylyov@omp.ru> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20221014212235.10770-1-s.shtylyov@omp.ru> References: <20221014212235.10770-1-s.shtylyov@omp.ru> MIME-Version: 1.0 X-Originating-IP: [178.176.75.138] X-ClientProxiedBy: msexch01.omp.ru (10.188.4.12) To msexch01.omp.ru (10.188.4.12) X-KSE-ServerInfo: msexch01.omp.ru, 9 X-KSE-AntiSpam-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 10/14/2022 21:00:39 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 173137 [Oct 14 2022] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: s.shtylyov@omp.ru X-KSE-AntiSpam-Info: LuaCore: 500 500 6cc86d8f5638d79810308830d98d6b6279998c49 X-KSE-AntiSpam-Info: {rep_avail} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: omp.ru:7.1.1;127.0.0.199:7.1.2;178.176.75.138:7.7.3;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1 X-KSE-AntiSpam-Info: ApMailHostAddress: 178.176.75.138 X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dmarc=temperror header.from=omp.ru;spf=temperror smtp.mailfrom=omp.ru;dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 10/14/2022 21:03:00 X-KSE-AttachmentFiltering-Interceptor-Info: protection disabled X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 10/14/2022 3:23:00 PM X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org user_regset_copyin_ignore() always returns 0, so checking its result seems pointless -- don't do this anymore... Signed-off-by: Sergey Shtylyov --- arch/parisc/kernel/ptrace.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 96ef6a6b66e5..69c62933e952 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -424,8 +424,9 @@ static int fpr_set(struct task_struct *target, ubuf = u; pos *= sizeof(reg); count *= sizeof(reg); - return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - ELF_NFPREG * sizeof(reg), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + ELF_NFPREG * sizeof(reg), -1); + return 0; } #define RI(reg) (offsetof(struct user_regs_struct,reg) / sizeof(long)) @@ -543,8 +544,9 @@ static int gpr_set(struct task_struct *target, ubuf = u; pos *= sizeof(reg); count *= sizeof(reg); - return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - ELF_NGREG * sizeof(reg), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + ELF_NGREG * sizeof(reg), -1); + return 0; } static const struct user_regset native_regsets[] = { @@ -606,8 +608,9 @@ static int gpr32_set(struct task_struct *target, ubuf = u; pos *= sizeof(reg); count *= sizeof(reg); - return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - ELF_NGREG * sizeof(reg), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + ELF_NGREG * sizeof(reg), -1); + return 0; } /*