virtio: Fix virtio buffer allocation

Change-Id: I0ffb468aef56f5fd223218a83425771595863666
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>

diff --git a/src/vnet/devices/virtio/pci.c b/src/vnet/devices/virtio/pci.c
index b02b79d..aeb519b 100644 (file)
--- a/src/vnet/devices/virtio/pci.c
+++ b/src/vnet/devices/virtio/pci.c
@@ -693,7 +693,7 @@ virtio_pci_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 queue_num)
       do
        {
          if (n_alloc < queue_size)
-           n_alloc =
+           n_alloc +=
              vlib_buffer_alloc (vm, vring->indirect_buffers + n_alloc,
                                 queue_size - n_alloc);
        }