Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp3026735pxu; Mon, 14 Dec 2020 18:23:08 -0800 (PST) X-Google-Smtp-Source: ABdhPJyw2hVz1wzg6B0B+unID9ZYS/r4FGidwfuUCpfzFId9C0FlW8SlOpYA2GUZ396xdWJk2RsQ X-Received: by 2002:a05:6402:2da:: with SMTP id b26mr27773012edx.350.1607998988512; Mon, 14 Dec 2020 18:23:08 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1607998988; cv=none; d=google.com; s=arc-20160816; b=fuEX3t7H1/2C4gYVVJDXLs/rM7QMWpBd4KCBu4rf/vWqtAyiS5YuzReuZNEPbWljSO q2NdCwGcqpCIunx09BNqwnqIUgpvlCxqsWZfzpfpfc1AxM4LY/LZL3CwQqhi4wIudy87 CmARLfMnpdkaj/+mqI/bVsXo6ZWGlzB2eHGmTL5nLz6jrgrsTxKiP1IcWmT807/kgwuH k4kgRIUmv5zJJrx+Od3Edq2SglH+avLTbSCNVmWMEvT95eIuFLMRkQ/CSSgc12484yRc f88Cn17vJ1DashPzAYZa2fwRWqJIN1OLPrfW2HBJ5qFh9aReTCdWkuBBeEHPU5uMUerP q6/A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-language:content-transfer-encoding :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=HRTQt+1A1dzCVrRPIxuNq2/24FtN6mFoJ73wc9XHEUI=; b=EcW5ND6bnxfXCuDKUhZ36z0y3+ZHYozfbwRSsZiMEFIasHxPsoKqMgtQevkLQROFih j1K8/JneDjIekvFfKzDGH26/k8tJNRlhHnjmPxs4qrkeXVvS5FdEhpjczcng5vY0mCf4 XcXIwmRssHtzFqnv40mpke7NG2C6EZRdgl+lo8jYkSaJNAo4f2bVs6lXYJioxbxtPRth exE2jileIgX03rNoxQwBd08ZqE+ShxI3j81O2l9Rj8ThhURZjyxQNMBQtI8P12qffNiS 4Q/tfeivY/O+WzZNq0izGxcm+1WvP+vLSK5M25lqA7wE13C1bGuFMlIliN4ePCgxe2aj Nimg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e14si185063ejr.169.2020.12.14.18.22.45; Mon, 14 Dec 2020 18:23:08 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729951AbgLOBf3 (ORCPT + 99 others); Mon, 14 Dec 2020 20:35:29 -0500 Received: from szxga08-in.huawei.com ([45.249.212.255]:2333 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727984AbgLOBf3 (ORCPT ); Mon, 14 Dec 2020 20:35:29 -0500 Received: from dggeme765-chm.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Cw14S0V7Gz13TqC; Tue, 15 Dec 2020 09:33:44 +0800 (CST) Received: from [127.0.0.1] (10.69.26.252) by dggeme765-chm.china.huawei.com (10.3.19.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Tue, 15 Dec 2020 09:34:45 +0800 Subject: Re: [PATCH][next] net: hns3: fix expression that is currently always true To: Colin King , Yisen Zhuang , Salil Mehta , "David S . Miller" , Jakub Kicinski , Jian Shen , CC: , References: <20201215000033.85383-1-colin.king@canonical.com> From: Huazhong Tan Message-ID: <0b0cca1c-1208-c5b3-914b-314dcb484209@huawei.com> Date: Tue, 15 Dec 2020 09:34:45 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: <20201215000033.85383-1-colin.king@canonical.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [10.69.26.252] X-ClientProxiedBy: dggeme707-chm.china.huawei.com (10.1.199.103) To dggeme765-chm.china.huawei.com (10.3.19.111) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/12/15 8:00, Colin King wrote: > From: Colin Ian King > > The || condition in hdev->fd_active_type != HCLGE_FD_ARFS_ACTIVE || > hdev->fd_active_type != HCLGE_FD_RULE_NONE will always be true because > hdev->fd_active_type cannot be equal to two different values at the same > time. The expression is always true which is not correct. Fix this by > replacing || with && to correct the logic in the expression. > > Addresses-Coverity: ("Constant expression result") > Fixes: 0205ec041ec6 ("net: hns3: add support for hw tc offload of tc flower") > Signed-off-by: Colin Ian King Reviewed-by: Huazhong Tan Thanks.