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=-20.2 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, 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 EB3A6C6377E for ; Mon, 19 Jul 2021 18:09:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E208F60E0B for ; Mon, 19 Jul 2021 18:09:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379791AbhGSR1X (ORCPT ); Mon, 19 Jul 2021 13:27:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:43674 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349388AbhGSPpC (ORCPT ); Mon, 19 Jul 2021 11:45:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0713A613B0; Mon, 19 Jul 2021 16:24:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626711887; bh=SlIeBwGAAJ/eYlwVLrKmTH7lzNfL1PotuC4Ic6N5HSQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hqcc1nNiI/D5z3wHuXLo2pBxSVxm8UdxWWMIoMVNy6WktVeZUrSP5q2rEknDndivj UGb2cpiz3uKFHZUrvwhzUjLYXN5bhbHAUkdRtU7l++qoJEXlf8ENMgVjUO2JNQEzBk hX1HeDIffFVZ28yq6hXEi2sCX22wPWnVKmud0DRA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Xie Yongji , Jason Wang , "Michael S. Tsirkin" , Sasha Levin Subject: [PATCH 5.12 170/292] virtio_net: Fix error handling in virtnet_restore() Date: Mon, 19 Jul 2021 16:53:52 +0200 Message-Id: <20210719144948.090926692@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144942.514164272@linuxfoundation.org> References: <20210719144942.514164272@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: Xie Yongji [ Upstream commit 3f2869cace829fb4b80fc53b3ddaa7f4ba9acbf1 ] Do some cleanups in virtnet_restore() when virtnet_cpu_notif_add() failed. Signed-off-by: Xie Yongji Link: https://lore.kernel.org/r/20210517084516.332-1-xieyongji@bytedance.com Acked-by: Jason Wang Signed-off-by: Michael S. Tsirkin Signed-off-by: Sasha Levin --- drivers/net/virtio_net.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f7ce341bb328..db9a876035ec 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3229,8 +3229,11 @@ static __maybe_unused int virtnet_restore(struct virtio_device *vdev) virtnet_set_queues(vi, vi->curr_queue_pairs); err = virtnet_cpu_notif_add(vi); - if (err) + if (err) { + virtnet_freeze_down(vdev); + remove_vq_common(vi); return err; + } return 0; } -- 2.30.2