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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 398E8C4167D for ; Mon, 4 Oct 2021 13:37:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 24A6F60F58 for ; Mon, 4 Oct 2021 13:37:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234756AbhJDNjA (ORCPT ); Mon, 4 Oct 2021 09:39:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:51592 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237668AbhJDNgm (ORCPT ); Mon, 4 Oct 2021 09:36:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D4C7261053; Mon, 4 Oct 2021 13:16:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1633353395; bh=Xz0TUOjXF0iUnwdvQFRiT9f0vxgEg38Ef9OUoCkHeck=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eKFEa4SRFAiRbLxkH3H1lQGSCN/347+jhy2yipd7hoUeqOxn/gc9srlQrMxzUEWTF hNCeTjQTVh5Y58Wokaj4s7G5sKbg2qHG7B+xx781LhP6m3kSG7kS1shx/EbKTYe++6 gcw8pyJfhNB0LFoIN3xdVU3O25m7E/htRT3zWW3Y= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wenpeng Liang , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.14 112/172] RDMA/hns: Fix the size setting error when copying CQE in clean_cq() Date: Mon, 4 Oct 2021 14:52:42 +0200 Message-Id: <20211004125048.601056832@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211004125044.945314266@linuxfoundation.org> References: <20211004125044.945314266@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: Wenpeng Liang [ Upstream commit cc26aee100588a3f293921342a307b6309ace193 ] The size of CQE is different for different versions of hardware, so the driver needs to specify the size of CQE explicitly. Fixes: 09a5f210f67e ("RDMA/hns: Add support for CQE in size of 64 Bytes") Link: https://lore.kernel.org/r/20210927125557.15031-2-liangwenpeng@huawei.com Signed-off-by: Wenpeng Liang Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +- 1 file changed, 1 insertion(+), 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 6cb4a4e10837..0ccb0c453f6a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -3306,7 +3306,7 @@ static void __hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, dest = get_cqe_v2(hr_cq, (prod_index + nfreed) & hr_cq->ib_cq.cqe); owner_bit = hr_reg_read(dest, CQE_OWNER); - memcpy(dest, cqe, sizeof(*cqe)); + memcpy(dest, cqe, hr_cq->cqe_size); hr_reg_write(dest, CQE_OWNER, owner_bit); } } -- 2.33.0