When the Xen guest asks to unplug *emulated* NICs, it's kind of unhelpful
also to unplug the peer of the *Xen* PV NIC.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
/* Remove the peer of the NIC device. Normally, this would be a tap device. */
static void del_nic_peer(NICState *nic, void *opaque)
{
- NetClientState *nc;
+ NetClientState *nc = qemu_get_queue(nic);
+ ObjectClass *klass = module_object_class_by_name(nc->model);
+
+ /* Only delete peers of PCI NICs that we're about to delete */
+ if (!klass || !object_class_dynamic_cast(klass, TYPE_PCI_DEVICE)) {
+ return;
+ }
- nc = qemu_get_queue(nic);
if (nc->peer)
qemu_del_net_client(nc->peer);
}