d68e2ae56b
If VIRTIO_NET_F_CTRL_VQ is not negotiated hw->cvq will be NULL Signed-off-by: Damjan Marion <damarion@cisco.com> Acked-by: Changchun Ouyang <Changchun.ouyang@intel.com> Acked-by: Olivier Matz <olivier.matz@6wind.com>