Changed log to debug. Changed mutex to lock guard.

srsue/src/stack/upper/gw.cc

@@ -223,8 +223,7 @@ int gw::apply_traffic_flow_template(const uint8_t&
                                     const uint8_t&                                 lcid,
                                     const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft)
 {
-  int err = SRSLTE_SUCCESS;
-  tft_mutex.lock();
+  std::lock_guard<std::mutex> lock(tft_mutex);
   switch (tft->tft_op_code) {
     case LIBLTE_MME_TFT_OPERATION_CODE_CREATE_NEW_TFT:
       for (int i = 0; i < tft->packet_filter_list_size; i++) {
@@ -233,17 +232,15 @@ int gw::apply_traffic_flow_template(const uint8_t&
         auto                it = tft_filter_map.insert(std::make_pair(filter.eval_precedence, filter));
         if (it.second == false) {
           gw_log->error("Error inserting TFT Packet Filter\n");
-          err = SRSLTE_ERROR_CANT_START;
-          break;
+          return SRSLTE_ERROR_CANT_START;
         }
       }
       break;
     default:
       gw_log->error("Unhandled TFT OP code\n");
-      err = SRSLTE_ERROR_CANT_START;
+      return SRSLTE_ERROR_CANT_START;
   }
-  tft_mutex.unlock();
-  return err;
+  return SRSLTE_SUCCESS;
 }
 
 /*******************************************************************************
@@ -363,7 +360,7 @@ uint8_t gw::check_tft_filter_match(const srslte::unique_byte_buffer_t& pdu) {
     bool match = filter_pair.second.match(pdu);
     if (match) {
       lcid = filter_pair.second.lcid;
-      gw_log->info("Found filter match -- EPS bearer Id %d, LCID %d\n", filter_pair.second.eps_bearer_id, lcid);
+      gw_log->debug("Found filter match -- EPS bearer Id %d, LCID %d\n", filter_pair.second.eps_bearer_id, lcid);
       break;
     }
   }