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virtio-9p: fix virtio-9p child refcount in transports
object_initialize() leaves the object with a refcount of 1. object_property_add_child() adds its own reference which is dropped again when the property is deleted. The upshot of this is that we always have a refcount >= 1. Upon unplug the virtio-9p child is not finalized! Drop our reference after the child property has been added to the parent. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -950,6 +950,7 @@ static void virtio_9p_pci_instance_init(Object *obj)
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object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_9P);
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
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qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
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object_unref(OBJECT(&dev->vdev));
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}
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static const TypeInfo virtio_9p_pci_info = {
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