Add null check for packet allocation and clean up Dispatcher

examples/simple_repeater/main.cpp

@@ -774,9 +774,16 @@ public:
 #endif
 
         if (f16 == crc) {
-          mesh::Packet *pkt = _mgr->allocNew();
+          Packet *pkt = _mgr->allocNew();
+
+          if (pkt != NULL) {
             pkt->readFrom(bytes, len);
             _mgr->queueInbound(pkt, millis());
+          } else {
+#if MESH_PACKET_LOGGING
+            Serial.printf("BRIDGE: Unable to allocate new Packet *pkt");
+#endif
+          }
         }
       }
     }

src/Dispatcher.cpp

@@ -104,7 +104,6 @@ void Dispatcher::loop() {
       processRecvPacket(pkt);
     }
   }
-
   checkRecv();
   checkSend();
 }
@@ -116,7 +115,6 @@ void Dispatcher::checkRecv() {
   {
     uint8_t raw[MAX_TRANS_UNIT+1];
     int len = _radio->recvRaw(raw, MAX_TRANS_UNIT);
-
     if (len > 0) {
       logRxRaw(_radio->getLastSNR(), _radio->getLastRSSI(), raw, len);
 
@@ -330,4 +328,5 @@ bool Dispatcher::millisHasNowPassed(unsigned long timestamp) const {
 unsigned long Dispatcher::futureMillis(int millis_from_now) const {
   return _ms->getMillis() + millis_from_now;
 }
+
 }