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authorAnthony Liguori <aliguori@us.ibm.com>2013-03-26 13:34:38 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2013-03-26 13:34:38 -0500
commitfad5593ca646010d3cb83f7926d78dd30c20c610 (patch)
tree33803bfc0b0e85396b6e626222dfff0b1390de49
parent0fbf01fe911e84c588be41636570f46f597113d6 (diff)
parentb57ed9bf075e33cdd2f9eb545ff555301dd57221 (diff)
Merge remote-tracking branch 'cohuck/virtio-ccw-upstr' into staging
# By Cornelia Huck # Via Cornelia Huck * cohuck/virtio-ccw-upstr: virtio-ccw: Queue sanity check for notify hypercall.
-rw-r--r--hw/s390x/s390-virtio-ccw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index d4364143ea..76b63e2ca6 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -31,6 +31,9 @@ static int virtio_ccw_hcall_notify(const uint64_t *args)
if (!sch || !css_subch_visible(sch)) {
return -EINVAL;
}
+ if (queue >= VIRTIO_PCI_QUEUE_MAX) {
+ return -EINVAL;
+ }
virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
return 0;