applying Robert's patch

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c

@@ -537,17 +537,13 @@ void nr_initiate_ra_proc(module_id_t module_idP,
   }
 
   for (int i = 0; i < NR_NB_RA_PROC_MAX; i++) {
+
     NR_RA_t *ra = &cc->ra[i];
-    pr_found = 0;
-    NR_UE_info_t *UE = NULL;
-    if(ra->rnti!=0) // calling the function only for a valid RNTI
-      UE = find_nr_UE(&nr_mac->UE_info, ra->rnti);
-    if (UE) {
-      // the UE is already registered
-      LOG_W(NR_MAC, "Received RA for existing RNTI %04x\n", ra->rnti);
+    if (ra->state != RA_IDLE)
       continue;
-    }
-    if (ra->state == RA_IDLE) {
+
+    pr_found = 0;
+
     for(int j = 0; j < ra->preambles.num_preambles; j++) {
       //check if the preamble received correspond to one of the listed or configured preambles
       if (preamble_index == ra->preambles.preamble_list[j]) {
@@ -700,7 +696,6 @@ void nr_initiate_ra_proc(module_id_t module_idP,
 
     return;
   }
-  }
   LOG_E(NR_MAC, "[gNB %d][RAPROC] FAILURE: CC_id %d Frame %d initiating RA procedure for preamble index %d\n", module_idP, CC_id, frameP, preamble_index);
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC, 0);