Add checking pdu_index is enough in function of dl_config_req_UE_MAC.

openair2/PHY_INTERFACE/phy_stub_UE.c

@@ -640,7 +640,8 @@ int dl_config_req_UE_MAC(nfapi_dl_config_request_t* req, module_id_t Mod_id) //,
 				//if(tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data!= NULL && tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length >0){
 				*/
 
-				if(dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index <= tx_req_num_elems -1){
+				// to avoid unexpected error , add check pdu_index is more than 0.
+				if((dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index >= 0) &&(dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index <= tx_req_num_elems -1)){
 				//if(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL){
 
 					LOG_E(MAC, "dl_config_req_UE_MAC 2 Received data: sfn/sf:%d PDU[%d] size:%d, TX_PDU index: %d, tx_req_num_elems: %d \n", NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size, dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index, tx_req_num_elems);