1 files changed, 3 insertions, 3 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 311929e..5884ce3 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -834,7 +834,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
     int64_t len;
     VirtIODevice *vdev = vq->vdev;
     VirtQueueElement *elem = NULL;
-    unsigned out_num, in_num;
+    unsigned out_num, in_num, elem_entries;
     hwaddr addr[VIRTQUEUE_MAX_SIZE];
     struct iovec iov[VIRTQUEUE_MAX_SIZE];
     VRingDesc desc;
@@ -852,7 +852,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
     smp_rmb();
 
     /* When we start there are none of either input nor output. */
-    out_num = in_num = 0;
+    out_num = in_num = elem_entries = 0;
 
     max = vq->vring.num;
 
@@ -922,7 +922,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
         }
 
         /* If we've got too many, that implies a descriptor loop. */
-        if ((in_num + out_num) > max) {
+        if (++elem_entries > max) {
             virtio_error(vdev, "Looped descriptor");
             goto err_undo_map;
         }