avoid NPE for synchronization issues on board list

facchinm · Mar 25, 2016 · cbea7a5 · cbea7a5
1 parent 6d00bee
commit cbea7a5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arduino-core/src/cc/arduino/packages/discoverers/serial/SerialBoardsLister.java b/arduino-core/src/cc/arduino/packages/discoverers/serial/SerialBoardsLister.java
@@ -54,7 +54,7 @@ public void start(Timer timer) {
     timer.schedule(this, 0, 1000);
   }
 
-  public void retriggerDiscovery() {
+  public synchronized void retriggerDiscovery() {
     while (BaseNoGui.packages == null) {
       try {
         Thread.sleep(1000);