From a9e6397e2e32c0ba6ec5aeb9b5f06437d3b71b88 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Thu, 13 Jun 2013 13:19:26 +0200
Subject: [PATCH] Fixed NPE during VID/PID discovery for non-USB serial ports

---
 app/src/processing/app/linux/UDevAdmParser.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/processing/app/linux/UDevAdmParser.java b/app/src/processing/app/linux/UDevAdmParser.java
index 147c13bff..53793f83a 100644
--- a/app/src/processing/app/linux/UDevAdmParser.java
+++ b/app/src/processing/app/linux/UDevAdmParser.java
@@ -10,7 +10,11 @@ public class UDevAdmParser {
     Properties properties = new Properties();
     properties.load(new StringReader(output));
 
-    return ("0x" + properties.get("ID_VENDOR_ID").toString() + "_0x" + properties.get("ID_MODEL_ID").toString()).toUpperCase();
+    Object vid = properties.get("ID_VENDOR_ID");
+    Object pid = properties.get("ID_MODEL_ID");
+    if (vid == null || pid == null)
+      return null;
+    return ("0x" + vid + "_0x" + pid).toUpperCase();
   }
 
 }