RDMA_NLDEV_ATTR_DEV_DIM
if (tb[RDMA_NLDEV_ATTR_DEV_DIM]) {
use_dim = nla_get_u8(tb[RDMA_NLDEV_ATTR_DEV_DIM]);
if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_DIM, device->use_cq_dim))
if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_DIM, (cq->dim != NULL)))
[RDMA_NLDEV_ATTR_DEV_DIM] = { .type = NLA_U8 },