From patchwork Sat Dec 24 11:48:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhijian Li (Fujitsu)\" via" X-Patchwork-Id: 13081346 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 78F89C4332F for ; Sat, 24 Dec 2022 11:49:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p931j-0003FP-AE; Sat, 24 Dec 2022 06:49:19 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p931d-0003Cd-MD for qemu-devel@nongnu.org; Sat, 24 Dec 2022 06:49:13 -0500 Received: from szxga03-in.huawei.com ([45.249.212.189]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p931b-0008J8-24 for qemu-devel@nongnu.org; Sat, 24 Dec 2022 06:49:13 -0500 Received: from kwepemi100025.china.huawei.com (unknown [172.30.72.53]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4NfMfn63t6zJpMJ; Sat, 24 Dec 2022 19:45:05 +0800 (CST) Received: from DESKTOP-27KDQMV.china.huawei.com (10.174.148.223) by kwepemi100025.china.huawei.com (7.221.188.158) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Sat, 24 Dec 2022 19:48:53 +0800 To: , , , CC: , , , , , , , Longpeng Subject: [PATCH 0/2] Fix the init path of generic vhost-vdpa device Date: Sat, 24 Dec 2022 19:48:46 +0800 Message-ID: <20221224114848.3062-1-longpeng2@huawei.com> X-Mailer: git-send-email 2.25.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.148.223] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemi100025.china.huawei.com (7.221.188.158) X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.189; envelope-from=longpeng2@huawei.com; helo=szxga03-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: "Longpeng(Mike)" X-Patchwork-Original-From: "Longpeng(Mike)" via From: "Zhijian Li (Fujitsu)\" via" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Longpeng The generic vhost-vdpa device and the commit a585fad26b ("vdpa: request iova_range only once") are merged in the same pull request, and the later would cause the generic vhost-vdpa device work improperly. Patch 1 fixes the problem and patch 2 hardens the error path of vdpa/net. Longpeng (Mike) (2): vdpa-dev: get iova range explicitly vdpa: harden the error path if get_iova_range failed hw/virtio/vdpa-dev.c | 9 +++++++++ hw/virtio/vhost-vdpa.c | 7 +++++++ include/hw/virtio/vhost-vdpa.h | 2 ++ net/vhost-vdpa.c | 16 +++++++--------- 4 files changed, 25 insertions(+), 9 deletions(-)