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[23.128.96.31]) by mx.google.com with ESMTPS id gl13-20020a17090b120d00b002776d9770d6si8170769pjb.69.2023.10.17.05.56.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 05:56:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) client-ip=23.128.96.31; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=hisilicon.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id 4C9EF80BB81D; Tue, 17 Oct 2023 05:56:20 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234965AbjJQM4J (ORCPT + 99 others); Tue, 17 Oct 2023 08:56:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234954AbjJQMz7 (ORCPT ); Tue, 17 Oct 2023 08:55:59 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D61A1F1; Tue, 17 Oct 2023 05:55:57 -0700 (PDT) Received: from kwepemi500006.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4S8v6J2Fm1z15Nd7; Tue, 17 Oct 2023 20:53:12 +0800 (CST) Received: from localhost.localdomain (10.67.165.2) by kwepemi500006.china.huawei.com (7.221.188.68) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Tue, 17 Oct 2023 20:55:53 +0800 From: Junxian Huang To: , CC: , , , Subject: [PATCH for-rc 6/7] RDMA/hns: Fix unnecessary port_num transition in HW stats allocation Date: Tue, 17 Oct 2023 20:52:38 +0800 Message-ID: <20231017125239.164455-7-huangjunxian6@hisilicon.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20231017125239.164455-1-huangjunxian6@hisilicon.com> References: <20231017125239.164455-1-huangjunxian6@hisilicon.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.67.165.2] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemi500006.china.huawei.com (7.221.188.68) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Tue, 17 Oct 2023 05:56:20 -0700 (PDT) The num_ports capability of devices should be compared with the number of port(i.e. the input param "port_num") but not the port index(i.e. port_num - 1). Fixes: 5a87279591a1 ("RDMA/hns: Support hns HW stats") Signed-off-by: Junxian Huang --- drivers/infiniband/hw/hns/hns_roce_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index d9d546cdef52..e1a88f2d51b6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -547,9 +547,8 @@ static struct rdma_hw_stats *hns_roce_alloc_hw_port_stats( struct ib_device *device, u32 port_num) { struct hns_roce_dev *hr_dev = to_hr_dev(device); - u32 port = port_num - 1; - if (port > hr_dev->caps.num_ports) { + if (port_num > hr_dev->caps.num_ports) { ibdev_err(device, "invalid port num.\n"); return NULL; } -- 2.30.0