From: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx>
For sanity assert that event notification succeeds.
Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx>
Cc: Anthony Liguori <aliguori@xxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
---
hw/virtio-pci.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 538eef4..0f0f766 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -261,8 +261,11 @@ static void virtio_pci_queue_notify(VirtIOPCIProxy *proxy, uint32_t n)
vq = virtio_get_queue(proxy->vdev, n);
notifier = virtio_queue_get_host_notifier(vq);
if (event_notifier_valid(notifier)) {
+ int r;
+
printf("notifying vq %u host notifier from userspace\n", n);
- event_notifier_notify(notifier);
+ r = event_notifier_notify(notifier);
+ assert(r == 0);
} else {
virtio_queue_notify_vq(vq);
}
--
1.7.2.5
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