virtio_ring: fix avail_wrap_counter in virtqueue_add_packed

[linux-2.6-microblaze.git] / drivers / virtio / virtio_ring.c

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 81ecb29..51d8f32 100644 (file)
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1499,7 +1499,7 @@ static inline int virtqueue_add_packed(struct virtqueue *_vq,
                }
        }
 
-       if (i < head)
+       if (i <= head)
                vq->packed.avail_wrap_counter ^= 1;
 
        /* We're using some buffers from the free list. */