diff options
Diffstat (limited to 'hw/virtio/virtio-bus.c')
| -rw-r--r-- | hw/virtio/virtio-bus.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/hw/virtio/virtio-bus.c b/hw/virtio/virtio-bus.c index 3042232daf..f9bc9ea46d 100644 --- a/hw/virtio/virtio-bus.c +++ b/hw/virtio/virtio-bus.c @@ -283,20 +283,26 @@ int virtio_bus_set_host_notifier(VirtioBusState *bus, int n, bool assign) r = k->ioeventfd_assign(proxy, notifier, n, true); if (r < 0) { error_report("%s: unable to assign ioeventfd: %d", __func__, r); - goto cleanup_event_notifier; + virtio_bus_cleanup_host_notifier(bus, n); } - return 0; } else { k->ioeventfd_assign(proxy, notifier, n, false); } -cleanup_event_notifier: + return r; +} + +void virtio_bus_cleanup_host_notifier(VirtioBusState *bus, int n) +{ + VirtIODevice *vdev = virtio_bus_get_device(bus); + VirtQueue *vq = virtio_get_queue(vdev, n); + EventNotifier *notifier = virtio_queue_get_host_notifier(vq); + /* Test and clear notifier after disabling event, * in case poll callback didn't have time to run. */ virtio_queue_host_notifier_read(notifier); event_notifier_cleanup(notifier); - return r; } static char *virtio_bus_get_dev_path(DeviceState *dev) |