Fixing white space and added a TODO comment

executables/nr-ue.c

@@ -407,8 +407,8 @@ static void *NRUE_phy_stub_standalone_pnf_task(void *arg)
     nr_phy_channel_params_t *ch_info = get_queue(&nr_chan_param_queue);
     if (!slot_ind && !ch_info)
     {
-        LOG_D(MAC, "get nr_sfn_slot_queue and nr_chan_param_queue == NULL!\n");
-        continue;
+      LOG_D(MAC, "get nr_sfn_slot_queue and nr_chan_param_queue == NULL!\n");
+      continue;
     }
     if (slot_ind) {
       sfn_slot = *slot_ind;

openair2/PHY_INTERFACE/phy_stub_UE.c

@@ -2061,7 +2061,11 @@ static float get_bler_val(uint8_t mcs, int sinr)
 static inline bool is_channel_modeling(void)
 {
   /* TODO: For now we enable channel modeling based on the node_number.
-     Replace with a command line option to enable/disable channel modeling. */
+     Replace with a command line option to enable/disable channel modeling.
+     The LTE UE will crash when channel modeling is conducted for NSA
+     mode. It does not crash for LTE mode. We have not implemented channel
+     modeling for NSA mode yet. For now, we ensure only do do chanel modeling
+     in LTE mode. */
   return node_number == 0 && !get_softmodem_params()->nsa;
 }