diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/virtio/virtio-pci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 453861605e..1323e128e9 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -860,6 +860,9 @@ static int virtio_pci_get_notifier(VirtIOPCIProxy *proxy, int queue_no, VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); VirtQueue *vq; + if (!proxy->vector_irqfd && vdev->status & VIRTIO_CONFIG_S_DRIVER_OK) + return -1; + if (queue_no == VIRTIO_CONFIG_IRQ_IDX) { *n = virtio_config_get_guest_notifier(vdev); *vector = vdev->config_vector; |