msg_mdh = tx->tx_msg_mdh;
rdma_mdh = tx->tx_rdma_mdh;
if (PtlHandleIsEqual(msg_mdh, PTL_INVALID_HANDLE) &&
PtlHandleIsEqual(rdma_mdh, PTL_INVALID_HANDLE)) {
msg_mdh = tx->tx_msg_mdh;
rdma_mdh = tx->tx_rdma_mdh;
if (PtlHandleIsEqual(msg_mdh, PTL_INVALID_HANDLE) &&
PtlHandleIsEqual(rdma_mdh, PTL_INVALID_HANDLE)) {