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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 76C62C43215 for ; Fri, 22 Nov 2019 05:54:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4097E2068F for ; Fri, 22 Nov 2019 05:54:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402046; bh=XixCqk5Dctp3gu17mdUdZfPgqxJFaELcs0HpON1q1h8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GWUgWfD2/h9kRqzdAccjBTt4j6fTEfJRDf/MFC16oLgYhJSk5+owsmfGVJ0d27DlT Zm385gjhaHr6+cT2pir2PM3phXOYD+5fk6UFO9Z0Ara/E+r9/dHeYcIFr7xbRnoGXy wKYKMIY5arquLCSdkGzuUwu/7qn/SK8OykGRyQIU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728822AbfKVFxR (ORCPT ); Fri, 22 Nov 2019 00:53:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:59280 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728814AbfKVFxP (ORCPT ); Fri, 22 Nov 2019 00:53:15 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D38C12082F; Fri, 22 Nov 2019 05:53:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574401994; bh=XixCqk5Dctp3gu17mdUdZfPgqxJFaELcs0HpON1q1h8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Urk9/6Bmg5HSJVE4IpPkL5G4YH+O0r4rqtb2EpDVh9LibeBk0x2Rt4WXtmn48qPLe qdaJRH0MyHf+EH/7p5gLC0+AQ7Yj1acBWLSnR6gUsBrmXWFSoLtbzQRwzQJnnr1LWZ C545Ph9qNi/x+Vlwz6kEN+ZchaPtll8ypq+mrFSI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lijun Ou , Jason Gunthorpe , Sasha Levin , linux-rdma@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 212/219] RDMA/hns: Bugfix for the scene without receiver queue Date: Fri, 22 Nov 2019 00:49:03 -0500 Message-Id: <20191122054911.1750-204-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122054911.1750-1-sashal@kernel.org> References: <20191122054911.1750-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Lijun Ou [ Upstream commit 4d103905eb1e4f14cb62fcf962c9d35da7005dea ] In some application scenario, the user could not have receive queue when run rdma write or read operation. Signed-off-by: Lijun Ou Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_qp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 2fa4fb17f6d3c..44729ae5f11cd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -503,7 +503,8 @@ static int hns_roce_qp_has_sq(struct ib_qp_init_attr *attr) static int hns_roce_qp_has_rq(struct ib_qp_init_attr *attr) { if (attr->qp_type == IB_QPT_XRC_INI || - attr->qp_type == IB_QPT_XRC_TGT || attr->srq) + attr->qp_type == IB_QPT_XRC_TGT || attr->srq || + !attr->cap.max_recv_wr) return 0; return 1; -- 2.20.1