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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e8-20020a056402088800b0041cd9ecd96asi5014432edy.625.2022.04.17.23.05.37; Sun, 17 Apr 2022 23:06:02 -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 S235715AbiDRBuq (ORCPT + 99 others); Sun, 17 Apr 2022 21:50:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233780AbiDRBuo (ORCPT ); Sun, 17 Apr 2022 21:50:44 -0400 Received: from mail.meizu.com (edge05.meizu.com [157.122.146.251]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0270C18391 for ; Sun, 17 Apr 2022 18:48:05 -0700 (PDT) Received: from IT-EXMB-1-125.meizu.com (172.16.1.125) by mz-mail12.meizu.com (172.16.1.108) with Microsoft SMTP Server (TLS) id 14.3.487.0; Mon, 18 Apr 2022 09:48:05 +0800 Received: from [172.16.137.70] (172.16.137.70) by IT-EXMB-1-125.meizu.com (172.16.1.125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Mon, 18 Apr 2022 09:48:03 +0800 Message-ID: Date: Mon, 18 Apr 2022 09:48:03 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH V4] staging: rtl8192e: Fix signedness bug in rtllib_rx_assoc_resp() To: Dan Carpenter CC: Greg Kroah-Hartman , , References: <20220415062000.GP3293@kadam> <1650004767-27432-1-git-send-email-baihaowen@meizu.com> <20220415065810.GQ3293@kadam> From: baihaowen In-Reply-To: <20220415065810.GQ3293@kadam> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [172.16.137.70] X-ClientProxiedBy: IT-EXMB-1-126.meizu.com (172.16.1.126) To IT-EXMB-1-125.meizu.com (172.16.1.125) X-Spam-Status: No, score=-3.8 required=5.0 tests=BAYES_00,KHOP_HELO_FCRDNS, NICE_REPLY_A,SPF_HELO_NONE,SPF_SOFTFAIL,T_SCC_BODY_TEXT_LINE 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 在 4/15/22 2:58 PM, Dan Carpenter 写道: > On Fri, Apr 15, 2022 at 02:39:27PM +0800, Haowen Bai wrote: >> This commit message suggested by Dan Carpenter as below: > You don't need to add this. If you feel you must then put it below the > --- cut off line and it will be stored on lore.kernel.org until the end > of time. > >> @@ -2292,8 +2298,8 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb) >> if (errcode) { >> ieee->softmac_stats.rx_auth_rs_err++; >> netdev_info(ieee->dev, >> - "Authentication response status code 0x%x", >> - errcode); >> + "Authentication response status code %d", >> + le16_to_cpu(errcode)); > The error code is not a le16. It's just an int. The way to prevent > these kinds of issues in the future is to run Sparse with the endian > checking enabled. > > https://lwn.net/Articles/205624/ > > regards, > dan carpenter > Dear Dan Carpenter Got it, thank you for your professional and patience. -- Haowen Bai