--- a/jdk/src/java.httpclient/share/classes/java/net/http/WSReceiver.java	Tue Jun 21 16:52:16 2016 +0100
+++ b/jdk/src/java.httpclient/share/classes/java/net/http/WSReceiver.java	Tue Jun 21 18:51:18 2016 +0100
@@ -101,11 +101,10 @@
         }
     }
 
-    long request(long n) {
+    void request(long n) {
         long newDemand = demand.accumulateAndGet(n, (p, i) -> p + i < 0 ? Long.MAX_VALUE : p + i);
         handler.signal();
         assert newDemand >= 0 : newDemand;
-        return newDemand;
     }
 
     private boolean getData() throws IOException {