Make JackNetInterface::FinishRecv more robust.

common/JackNetAPI.cpp

@@ -693,6 +693,8 @@ struct JackNetExtSlave : public JackNetSlaveInterface, public JackRunnableInterf
         
         // By default fFrames is fPeriodSize
         fFrames = fParams.fPeriodSize;
+        
+        SessionParamsDisplay(&fParams);
      
         AllocPorts();
         return 0;

common/JackNetInterface.cpp

@@ -227,7 +227,11 @@ namespace Jack
 
     int JackNetInterface::FinishRecv(NetAudioBuffer* buffer)
     {
-        buffer->RenderToJackPorts(fRxHeader.fFrames);
+        if (buffer) {
+            buffer->RenderToJackPorts(fRxHeader.fFrames);
+        } else {
+            jack_error("FinishRecv with null buffer...");
+        }
         return DATA_PACKET_ERROR;
     }