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From 901e65fa6ccbadeacd6c585cf49a0a7cdafb4737 Mon Sep 17 00:00:00 2001
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From: Julia Suvorova <jusual@redhat.com>
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Date: Wed, 19 Feb 2020 21:34:29 +0000
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Subject: [PATCH 5/7] virtio: make virtio_delete_queue idempotent
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RH-Author: Julia Suvorova <jusual@redhat.com>
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Message-id: <20200219213431.11913-3-jusual@redhat.com>
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Patchwork-id: 93981
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O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH 2/4] virtio: make virtio_delete_queue idempotent
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Bugzilla: 1791590
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RH-Acked-by: Danilo de Paula <ddepaula@redhat.com>
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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From: "Michael S. Tsirkin" <mst@redhat.com>
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Let's make sure calling this twice is harmless -
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no known instances, but seems safer.
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Suggested-by: Pan Nengyuan <pannengyuan@huawei.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit 8cd353ea0fbf0e334e015d833f612799be642296)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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hw/virtio/virtio.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
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index d63a369..e6a9ba4 100644
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--- a/hw/virtio/virtio.c
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+++ b/hw/virtio/virtio.c
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@@ -2342,6 +2342,7 @@ void virtio_delete_queue(VirtQueue *vq)
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vq->handle_output = NULL;
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vq->handle_aio_output = NULL;
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g_free(vq->used_elems);
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+ vq->used_elems = NULL;
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}
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void virtio_del_queue(VirtIODevice *vdev, int n)
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--
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1.8.3.1
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