[Qemu-devel] [PATCH] dataplane: endian fix in host notification

[Greg Kurz]

This field comes either LE with virtio 1.0, either guest endian with legacy.
It must only be accessed with an accessor that knows about the appropriate
endianness.

Signed-off-by: Greg Kurz <address@hidden>
---
 hw/virtio/dataplane/vring.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c
index 3fa421b9d773..a93ee2d338d7 100644
--- a/hw/virtio/dataplane/vring.c
+++ b/hw/virtio/dataplane/vring.c
@@ -117,7 +117,7 @@ void vring_disable_notification(VirtIODevice *vdev, Vring 
*vring)
 bool vring_enable_notification(VirtIODevice *vdev, Vring *vring)
 {
     if (virtio_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) {
-        vring_avail_event(&vring->vr) = vring->vr.avail->idx;
+        vring_avail_event(&vring->vr) = vring_get_avail_idx(vdev, vring);
     } else {
         vring_clear_used_flags(vdev, vring, VRING_USED_F_NO_NOTIFY);
     }