From 7552636bd17e7f629432e0fd491d412eed4c8792 Mon Sep 17 00:00:00 2001
From: Federico Fissore <f.fissore@arduino.cc>
Date: Wed, 29 Apr 2015 11:57:27 +0200
Subject: [PATCH] File.listFiles() can return null

---
 arduino-core/src/processing/app/helpers/FileUtils.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arduino-core/src/processing/app/helpers/FileUtils.java b/arduino-core/src/processing/app/helpers/FileUtils.java
index 92b069195..eaaeb6102 100644
--- a/arduino-core/src/processing/app/helpers/FileUtils.java
+++ b/arduino-core/src/processing/app/helpers/FileUtils.java
@@ -77,7 +77,11 @@ public class FileUtils {
       return;
     }
     if (file.isDirectory()) {
-      for (File current : file.listFiles()) {
+      File[] files = file.listFiles();
+      if (files == null) {
+        return;
+      }
+      for (File current : files) {
         recursiveDelete(current);
       }
     }