[PATCH 1/3] virtio: Correct error message of unavailable index

[Amos Kong <akong@xxxxxxxxxx>]

'head' is an index of VirtQueueElement, it should less than vring.num

Signed-off-by: Amos Kong <akong@xxxxxxxxxx>
---
 hw/virtio.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/hw/virtio.c b/hw/virtio.c
index 6e8814c..a3d0eee 100644
--- a/hw/virtio.c
+++ b/hw/virtio.c
@@ -271,7 +271,7 @@ static unsigned int virtqueue_get_head(VirtQueue *vq, unsigned int idx)
 
     /* If their number is silly, that's a fatal mistake. */
     if (head >= vq->vring.num) {
-        error_report("Guest says index %u is available", head);
+        error_report("Guest says index %u is unavailable", head);
         exit(1);
     }
 

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