haraldwolff/qemu-patch-raspberry4
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vhost: set started flag while start is in progress

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This makes it possible to use started flag for sanity checking
of callbacks that happen during start/stop.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2012-12-25 17:41:07 +02:00
parent 1830b80ff2
commit 24f4fe345c
1 changed files with 5 additions and 2 deletions
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7
hw/vhost.c
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@ -873,6 +873,9 @@ void vhost_dev_disable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev)
{
int i, r;
hdev->started = true;
if (!vdev->binding->set_guest_notifiers) {
fprintf(stderr, "binding does not support guest notifiers\n");
r = -ENOSYS;
@ -918,8 +921,6 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev)
}
}
hdev->started = true;
return 0;
fail_log:
fail_vq:
@ -934,6 +935,8 @@ fail_features:
vdev->binding->set_guest_notifiers(vdev->binding_opaque, hdev->nvqs, false);
fail_notifiers:
fail:
hdev->started = false;
return r;
}