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Diffstat (limited to 'drivers/s390/kvm/virtio_ccw.c')
-rw-r--r--drivers/s390/kvm/virtio_ccw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c
index 56d78956a8cb..244d611a0df2 100644
--- a/drivers/s390/kvm/virtio_ccw.c
+++ b/drivers/s390/kvm/virtio_ccw.c
@@ -714,6 +714,9 @@ static void virtio_ccw_finalize_features(struct virtio_device *vdev)
/* Give virtio_ring a chance to accept features. */
vring_transport_features(vdev);
+ /* Make sure we don't have any features > 32 bits! */
+ BUG_ON((u32)vdev->features != vdev->features);
+
features->index = 0;
features->features = cpu_to_le32(vdev->features);
/* Write the feature bits to the host. */