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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA38EC43217 for ; Tue, 5 Apr 2022 09:13:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239543AbiDEJNE (ORCPT ); Tue, 5 Apr 2022 05:13:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239618AbiDEIUQ (ORCPT ); Tue, 5 Apr 2022 04:20:16 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76F4D1C6; Tue, 5 Apr 2022 01:17:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 282E6B81B92; Tue, 5 Apr 2022 08:17:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7AFC7C385A1; Tue, 5 Apr 2022 08:17:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649146656; bh=TRFzbUO7n22VZ945pdzrqwka/ULHwpD2i4aPT2EBJnU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xYcvcWCEByJwjjJQnlXe7zqYU1sxxTKL90/PRQr6mZjJIwV32faDi8j9oRwXgGEKi uuGdjgYDq3KFKNDu4Js/rjtmymVr7dqIiAUa7iltlg7vpClMVH3HE9TkDYcT1P8RYF VUXd2SRTzQQAhvJ/fvQLFmjB+GVjcodIN7sIOU94= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Michael S. Tsirkin" , Stefan Hajnoczi , Stefano Garzarella , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.17 0802/1126] vsock/virtio: read the negotiated features before using VQs Date: Tue, 5 Apr 2022 09:25:49 +0200 Message-Id: <20220405070431.110089321@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070407.513532867@linuxfoundation.org> References: <20220405070407.513532867@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: Stefano Garzarella [ Upstream commit c1011c0b3a9c8d2065f425407475cbcc812540b7 ] Complete the driver configuration, reading the negotiated features, before using the VQs in the virtio_vsock_probe(). Fixes: 53efbba12cc7 ("virtio/vsock: enable SEQPACKET for transport") Suggested-by: Michael S. Tsirkin Reviewed-by: Stefan Hajnoczi Signed-off-by: Stefano Garzarella Acked-by: Michael S. Tsirkin Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/vmw_vsock/virtio_transport.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 3e5513934c9f..3954d3be9083 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -622,6 +622,9 @@ static int virtio_vsock_probe(struct virtio_device *vdev) INIT_WORK(&vsock->event_work, virtio_transport_event_work); INIT_WORK(&vsock->send_pkt_work, virtio_transport_send_pkt_work); + if (virtio_has_feature(vdev, VIRTIO_VSOCK_F_SEQPACKET)) + vsock->seqpacket_allow = true; + vdev->priv = vsock; mutex_lock(&vsock->tx_lock); @@ -638,9 +641,6 @@ static int virtio_vsock_probe(struct virtio_device *vdev) vsock->event_run = true; mutex_unlock(&vsock->event_lock); - if (virtio_has_feature(vdev, VIRTIO_VSOCK_F_SEQPACKET)) - vsock->seqpacket_allow = true; - rcu_assign_pointer(the_virtio_vsock, vsock); mutex_unlock(&the_virtio_vsock_mutex); -- 2.34.1