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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w7-20020a056402268700b00459563e2c60si3717385edd.329.2022.10.14.14.28.07; Fri, 14 Oct 2022 14:28:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230010AbiJNVXx (ORCPT + 99 others); Fri, 14 Oct 2022 17:23:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229996AbiJNVXe (ORCPT ); Fri, 14 Oct 2022 17:23:34 -0400 Received: from mx01.omp.ru (mx01.omp.ru [90.154.21.10]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDB351DD8BC; Fri, 14 Oct 2022 14:23:23 -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 00:23:06 +0300 From: Sergey Shtylyov To: Oleg Nesterov , Thomas Bogendoerfer , , CC: Andrew Morton Subject: [PATCH 06/13] mips: ptrace: user_regset_copyin_ignore() always returns 0 Date: Sat, 15 Oct 2022 00:22:28 +0300 Message-ID: <20221014212235.10770-7-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 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII 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 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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/mips/kernel/ptrace.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 567aec4abac0..d9df543f7e2c 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -531,10 +531,11 @@ static int fpr_set(struct task_struct *target, ptrace_setfcr31(target, fcr31); } - if (count > 0) - err = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - fir_pos, - fir_pos + sizeof(u32)); + if (count > 0) { + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + fir_pos, fir_pos + sizeof(u32)); + return 0; + } return err; } -- 2.26.3