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virtio-9p: use aliases instead of duplicate qdev properties

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virtio-9p-pci all duplicate the qdev properties of their
V9fsState child. This approach does not work well with
string or pointer properties since we must be careful
about leaking or double-freeing them.

Use the QOM alias property to forward property accesses to the
V9fsState child.  This way no duplication is necessary.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 48833071d9)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Gonglei
2014-09-30 14:10:36 +08:00
committed by Michael Roth
parent 20dc758b7f
commit b5ad76a709
1 changed files with 1 additions and 1 deletions
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2
hw/virtio/virtio-pci.c
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@ -924,7 +924,6 @@ static Property virtio_9p_pci_properties[] = {
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
DEFINE_VIRTIO_9P_PROPERTIES(V9fsPCIState, vdev.fsconf),
DEFINE_PROP_END_OF_LIST(),
};
@ -948,6 +947,7 @@ static void virtio_9p_pci_instance_init(Object *obj)
V9fsPCIState *dev = VIRTIO_9P_PCI(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_9P);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
static const TypeInfo virtio_9p_pci_info = {