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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 A4B30C433F5 for ; Thu, 16 Sep 2021 16:41:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 867FE61BA0 for ; Thu, 16 Sep 2021 16:41:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244439AbhIPQnR (ORCPT ); Thu, 16 Sep 2021 12:43:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:51974 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243277AbhIPQhs (ORCPT ); Thu, 16 Sep 2021 12:37:48 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 042C66140B; Thu, 16 Sep 2021 16:22:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631809344; bh=pAeQNPdjb3okbSJzeanpg3WlxyCln949BMGJMt/KhsA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RtlQAC5SgKhqiof16T2/nDZhdTqAmJBqOKHNr4A4/YPWKRwG1O7lV8BhKGQd+VNUm wbNbS0+ztsX9dFHofdEHgwY4Z740w3UFJlV0BJLwTFNYWI+li+g03V9luFCYPrFrD6 2612Zaeq9ctTqRaSOacdKOtbdc37VTaIjjq363Ac= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Junxian Huang , Wenpeng Liang , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.13 121/380] RDMA/hns: Bugfix for the missing assignment for dip_idx Date: Thu, 16 Sep 2021 17:57:58 +0200 Message-Id: <20210916155808.165146683@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210916155803.966362085@linuxfoundation.org> References: <20210916155803.966362085@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Junxian Huang [ Upstream commit 074f315fc54a9ce45559a44ca36d9fa1ee1ea2cd ] When the dgid-dip_idx mapping relationship exists, dip should be assigned. Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW") Link: https://lore.kernel.org/r/1629884592-23424-3-git-send-email-liangwenpeng@huawei.com Signed-off-by: Junxian Huang Signed-off-by: Wenpeng Liang Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index dcbe5e28a4f7..90945e664f5d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4735,8 +4735,10 @@ static int get_dip_ctx_idx(struct ib_qp *ibqp, const struct ib_qp_attr *attr, spin_lock_irqsave(&hr_dev->dip_list_lock, flags); list_for_each_entry(hr_dip, &hr_dev->dip_list, node) { - if (!memcmp(grh->dgid.raw, hr_dip->dgid, 16)) + if (!memcmp(grh->dgid.raw, hr_dip->dgid, 16)) { + *dip_idx = hr_dip->dip_idx; goto out; + } } /* If no dgid is found, a new dip and a mapping between dgid and -- 2.30.2