Check for target and field0 being null

craigslist777 · May 23, 2016 · f742cdb · f742cdb
1 parent 4fdde0f
commit f742cdb
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/core/src/main/java/org/fourthline/cling/android/AndroidNetworkAddressFactory.java b/core/src/main/java/org/fourthline/cling/android/AndroidNetworkAddressFactory.java
@@ -52,8 +52,9 @@ protected boolean isUsableAddress(NetworkInterface networkInterface, InetAddress
             // TODO: Workaround Android DNS reverse lookup issue, still a problem on ICS+?
             // http://4thline.org/projects/mailinglists.html#nabble-td3011461
             String hostName = address.getHostAddress();
-	    Field field0;
-	    Object target;
+
+	    Field field0 = null;
+	    Object target = null;
 
 	    try {
 
@@ -68,8 +69,12 @@ protected boolean isUsableAddress(NetworkInterface networkInterface, InetAddress
 			target = address;
 		    }                
 
-		    field0.setAccessible(true);
-		    field0.set(target, hostName);
+		    if (field != null && target != null && hostName != null) {
+				field0.setAccessible(true);
+		    	field0.set(target, hostName);
+			} else {
+				return false;
+			}
 
 	    } catch (Exception ex) {
                 log.log(Level.SEVERE,