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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 4ECB5C4361B for ; Thu, 17 Dec 2020 15:15:10 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C000A235FD for ; Thu, 17 Dec 2020 15:15:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C000A235FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40992 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kpuzk-0008OL-OC for qemu-devel@archiver.kernel.org; Thu, 17 Dec 2020 10:15:08 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35006) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kpumJ-0004O5-ST for qemu-devel@nongnu.org; Thu, 17 Dec 2020 10:01:15 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:49315) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kpum2-0007vd-TL for qemu-devel@nongnu.org; Thu, 17 Dec 2020 10:01:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1608217257; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I1Wf6LxNX59oifmSq/DRgXmalRIrEoTC3b8aEtFycaQ=; b=a3zu+aG9ijzCBOlDQ5EHxdy/nlgmRunYsaNuDxNuEqyMp9x+WricF2hIXRqQdsvYwSOQ9z zyK25t0ZSTJsn0F78Ragqg//iYzpPLF480m800wuT4TJW59VfyyQaiSH59vKAEMFEXTpEQ Dhbg6SiOdj7NA5bXulNcKdB8f/O88aY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-346-l57V8H3_MteDh4QUpzZk8g-1; Thu, 17 Dec 2020 10:00:51 -0500 X-MC-Unique: l57V8H3_MteDh4QUpzZk8g-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8DC3259; Thu, 17 Dec 2020 15:00:50 +0000 (UTC) Received: from localhost.localdomain (unknown [10.35.206.213]) by smtp.corp.redhat.com (Postfix) with ESMTP id 038DA5D9CD; Thu, 17 Dec 2020 15:00:48 +0000 (UTC) From: Maxim Levitsky To: qemu-devel@nongnu.org Subject: [PATCH 2/3] virtio-scsi: don't uninitialize queues that we didn't initialize Date: Thu, 17 Dec 2020 17:00:39 +0200 Message-Id: <20201217150040.906961-3-mlevitsk@redhat.com> In-Reply-To: <20201217150040.906961-1-mlevitsk@redhat.com> References: <20201217150040.906961-1-mlevitsk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mlevitsk@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=mlevitsk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Paolo Bonzini , Maxim Levitsky , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Count number of queues that we initialized and only deinitialize these that we initialized successfully. Signed-off-by: Maxim Levitsky --- hw/scsi/virtio-scsi-dataplane.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c index 2824a25b65..cd1e72d3f8 100644 --- a/hw/scsi/virtio-scsi-dataplane.c +++ b/hw/scsi/virtio-scsi-dataplane.c @@ -132,6 +132,7 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) { int i; int rc; + int vq_init_count = 0; BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev); @@ -159,17 +160,22 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) if (rc) { goto fail_vrings; } + + vq_init_count++; rc = virtio_scsi_vring_init(s, vs->event_vq, 1, virtio_scsi_data_plane_handle_event); if (rc) { goto fail_vrings; } + + vq_init_count++; for (i = 0; i < vs->conf.num_queues; i++) { rc = virtio_scsi_vring_init(s, vs->cmd_vqs[i], i + 2, virtio_scsi_data_plane_handle_cmd); if (rc) { goto fail_vrings; } + vq_init_count++; } s->dataplane_starting = false; @@ -180,7 +186,7 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) fail_vrings: aio_wait_bh_oneshot(s->ctx, virtio_scsi_dataplane_stop_bh, s); aio_context_release(s->ctx); - for (i = 0; i < vs->conf.num_queues + 2; i++) { + for (i = 0; i < vq_init_count; i++) { virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), i, false); virtio_bus_cleanup_host_notifier(VIRTIO_BUS(qbus), i); } -- 2.26.2