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Merge remote-tracking branch 'cohuck/virtio-ccw-upstr' into staging

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# By Cornelia Huck
# Via Cornelia Huck
* cohuck/virtio-ccw-upstr:
  virtio-ccw: Queue sanity check for notify hypercall.
This commit is contained in:
Anthony Liguori 2013-03-26 13:34:38 -05:00
commit fad5593ca6
1 changed files with 3 additions and 0 deletions
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hw/s390x/s390-virtio-ccw.c
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@ -31,6 +31,9 @@ static int virtio_ccw_hcall_notify(const uint64_t *args)
if (!sch || !css_subch_visible(sch)) { if (!sch || !css_subch_visible(sch)) {
return -EINVAL; return -EINVAL;
} }
if (queue >= VIRTIO_PCI_QUEUE_MAX) {
return -EINVAL;
}
virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
return 0; return 0;