fix RM912 SegmentFault in dlsch_coding while using a UE which has been removed

nfapi/oai_integration/nfapi_pnf.c

@@ -840,6 +840,10 @@ int pnf_phy_dl_config_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request
         LTE_eNB_DLSCH_t *dlsch0 = eNB->dlsch[UE_id][0];
         //LTE_eNB_DLSCH_t *dlsch1 = eNB->dlsch[UE_id][1];
         int harq_pid = dlsch0->harq_ids[sfn%2][sf];
+        if(harq_pid >= dlsch0->Mdlharq) {
+          LOG_E(PHY,"pnf_phy_dl_config_req illegal harq_pid %d\n", harq_pid);
+          return(-1);
+        }
         uint8_t *dlsch_sdu = tx_pdus[UE_id][harq_pid];
         
         memcpy(dlsch_sdu, tx_pdu->segments[0].segment_data, tx_pdu->segments[0].segment_length);

openair1/PHY/LTE_TRANSPORT/dlsch_coding.c

@@ -400,6 +400,10 @@ int dlsch_encoding_2threads(PHY_VARS_eNB *eNB,
   unsigned short iind;
 
   unsigned char harq_pid = dlsch->harq_ids[frame%2][subframe];
+  if(harq_pid >= dlsch->Mdlharq) {
+    LOG_E(PHY,"dlsch_encoding_2threads illegal harq_pid %d\n", harq_pid);
+    return(-1);
+  }
   unsigned short nb_rb = dlsch->harq_processes[harq_pid]->nb_rb;
   unsigned int A;
   unsigned char mod_order;
@@ -584,6 +588,10 @@ int dlsch_encoding(PHY_VARS_eNB *eNB,
 
   LTE_DL_FRAME_PARMS *frame_parms = &eNB->frame_parms;
   unsigned char harq_pid = dlsch->harq_ids[frame%2][subframe];
+  if(harq_pid >= dlsch->Mdlharq) {
+    LOG_E(PHY,"dlsch_encoding illegal harq_pid %d\n", harq_pid);
+    return(-1);
+  }
   unsigned short nb_rb = dlsch->harq_processes[harq_pid]->nb_rb;
   unsigned int A;
   unsigned char mod_order;