From 13857c67e89f0e7d1eba4ae05546efcc0bde2ca7 Mon Sep 17 00:00:00 2001
From: Robert Schmidt <robert.schmidt@eurecom.fr>
Date: Thu, 14 Mar 2019 14:24:16 +0100
Subject: [PATCH] fix segfault RRU: check for nb_inst >0 before node_type

---
 targets/RT/USER/lte-softmodem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index 8464e9747c..966b363822 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -688,7 +688,8 @@ int main( int argc, char **argv ) {
     RCconfig_L1();
   }
 
-  if (RC.rrc[0]->node_type == ngran_eNB_CU || RC.rrc[0]->node_type == ngran_ng_eNB_CU) {
+  if (RC.nb_inst > 0
+      && (RC.rrc[0]->node_type == ngran_eNB_CU || RC.rrc[0]->node_type == ngran_ng_eNB_CU)) {
     protocol_ctxt_t ctxt;
     ctxt.module_id = 0 ;
     ctxt.instance = 0;