Fix a logical error that sends obsolete buffer erroneously on UL and causes crash in gNB.

openair1/SCHED_NR_UE/fapi_nr_ue_l1.c

@@ -184,14 +184,17 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
 
             ulsch0->f_pusch = pusch_config_pdu->absolute_delta_PUSCH;
 
-            if (scheduled_response->tx_request){ 
-              fapi_nr_tx_request_body_t *tx_req_body = &scheduled_response->tx_request->tx_request_body[i];
-              LOG_D(PHY,"%d.%d Copying %d bytes to harq_process_ul_ue->a (harq_pid %d)\n",scheduled_response->frame,slot,tx_req_body->pdu_length,current_harq_pid);
-              memcpy(harq_process_ul_ue->a, tx_req_body->pdu, tx_req_body->pdu_length);
-
-              harq_process_ul_ue->status = ACTIVE;
-
-              scheduled_response->tx_request->number_of_pdus = 0;
+            if (scheduled_response->tx_request && scheduled_response->tx_request->number_of_pdus) {
+              for (int j=0; j<scheduled_response->tx_request->number_of_pdus; j++) {
+                fapi_nr_tx_request_body_t *tx_req_body = &scheduled_response->tx_request->tx_request_body[j];
+                if (tx_req_body->pdu_index == i) {
+                  LOG_D(PHY,"%d.%d Copying %d bytes to harq_process_ul_ue->a (harq_pid %d)\n",scheduled_response->frame,slot,tx_req_body->pdu_length,current_harq_pid);
+                  memcpy(harq_process_ul_ue->a, tx_req_body->pdu, tx_req_body->pdu_length);
+                  harq_process_ul_ue->status = ACTIVE;
+                  scheduled_response->tx_request->number_of_pdus--;
+                  break;
+                }
+              }
             }
 
           } else {