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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 D3BD4C2B9F7 for ; Wed, 26 May 2021 09:10:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABD7261408 for ; Wed, 26 May 2021 09:10:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233664AbhEZJMD (ORCPT ); Wed, 26 May 2021 05:12:03 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:3947 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233630AbhEZJLz (ORCPT ); Wed, 26 May 2021 05:11:55 -0400 Received: from dggems704-chm.china.huawei.com (unknown [172.30.72.58]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4FqlTG6lRjzCx9y; Wed, 26 May 2021 17:07:30 +0800 (CST) Received: from dggema756-chm.china.huawei.com (10.1.198.198) by dggems704-chm.china.huawei.com (10.3.19.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Wed, 26 May 2021 17:10:18 +0800 Received: from localhost.localdomain (10.175.112.125) by dggema756-chm.china.huawei.com (10.1.198.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 26 May 2021 17:10:17 +0800 From: Chen Huang To: Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , "Boris Ostrovsky" , Juergen Gross , Stefano Stabellini , Mark Fasheh , Joel Becker , Joseph Qi , Nathan Lynch , Andrew Donnellan , Alexey Kardashevskiy , Andrew Morton , Stephen Rothwell , "Jens Axboe" , Yang Yingliang , "Masahiro Yamada" , Dan Carpenter CC: , , , , Chen Huang Subject: [PATCH -next 1/3] powerpc/rtas: Replaced simple_strtoull() with kstrtoull() Date: Wed, 26 May 2021 09:20:18 +0000 Message-ID: <20210526092020.554341-1-chenhuang5@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggema756-chm.china.huawei.com (10.1.198.198) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The simple_strtoull() function is deprecated in some situation, since it does not check for the range overflow, use kstrtoull() instead. Signed-off-by: Chen Huang --- arch/powerpc/kernel/rtas-proc.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index 6857a5b0a1c3..117886782ebd 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -259,7 +259,6 @@ __initcall(proc_rtas_init); static int parse_number(const char __user *p, size_t count, u64 *val) { char buf[40]; - char *end; if (count > 39) return -EINVAL; @@ -269,11 +268,7 @@ static int parse_number(const char __user *p, size_t count, u64 *val) buf[count] = 0; - *val = simple_strtoull(buf, &end, 10); - if (*end && *end != '\n') - return -EINVAL; - - return 0; + return kstrtoull(buf, 10, val); } /* ****************************************************************** */ -- 2.25.1