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-rw-r--r--hw/virtio/virtio-pci.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 9534730bba..524b63e5c7 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -866,6 +866,9 @@ 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;