On Tue, Nov 01, 2016 at 12:01:17AM +0200, yuri.benditov...@daynix.com wrote:
> From: Yuri Benditovich <yuri.benditov...@daynix.com>
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1373816
> qemu core dump happens during repetitive unpug-plug
> with multiple queues and Windows RSS-capable guest.
> If back-end delete requested during virtio-net device
> initialization, driver still can try configure the device
> for multiple queues. The virtio-net device is expected
> to be removed as soon as the initialization is done.
>
> Signed-off-by: Yuri Benditovich <yuri.benditov...@daynix.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
> ---
> hw/net/virtio-net.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
> index 06bfe4b..77a4fae 100644
> --- a/hw/net/virtio-net.c
> +++ b/hw/net/virtio-net.c
> @@ -508,6 +508,10 @@ static void virtio_net_set_queues(VirtIONet *n)
> int i;
> int r;
>
> + if (n->nic->peer_deleted) {
> + return;
> + }
> +
> for (i = 0; i < n->max_queues; i++) {
> if (i < n->curr_queues) {
> r = peer_attach(n, i);
> --
> 1.9.1
