After the commit dc0771cf, ret variable no longer
represents the status of the return code, use
data->ret replace it.
Signed-off-by: NXu Yandong <xuyandong2@huawei.com>
Reviewed-by: NAndrea Bolognani <abologna@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>