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virtio-net: Add only one queue pair when realizing 

Multiqueue usage is not negotiated yet when realizing. If more than
one queue is added and the guest never requests to enable multiqueue,
the extra queues will not be deleted when unrealizing and leak.

Fixes: f9d6dbf0bf ("virtio-net: remove virtio queues if the guest doesn't support multiqueue")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2024-04-28 16:00:51 +09:00 committed by Jason Wang
parent 283be5966e
commit 8c49756825
1 changed files with 1 additions and 3 deletions
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4
hw/net/virtio-net.c
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@ -3743,9 +3743,7 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
n->net_conf.tx_queue_size = MIN(virtio_net_max_tx_queue_size(n),
n->net_conf.tx_queue_size);
for (i = 0; i < n->max_queue_pairs; i++) {
virtio_net_add_queue(n, i);
}
virtio_net_add_queue(n, 0);
n->ctrl_vq = virtio_add_queue(vdev, 64, virtio_net_handle_ctrl);
qemu_macaddr_default_if_unset(&n->nic_conf.macaddr);