Removed nonsensical lock

diff --git a/mcs/class/System.Threading.Tasks.Dataflow/System.Threading.Tasks.Dataflow/OutputAvailableBlock.cs b/mcs/class/System.Threading.Tasks.Dataflow/System.Threading.Tasks.Dataflow/OutputAvailableBlock.cs
index 13b4935de9f4731eedf33aad0740062c9e271ae3..e8b184dea3f5395d12eef4dd078eebd2f6230898 100644 (file)
--- a/mcs/class/System.Threading.Tasks.Dataflow/System.Threading.Tasks.Dataflow/OutputAvailableBlock.cs
+++ b/mcs/class/System.Threading.Tasks.Dataflow/System.Threading.Tasks.Dataflow/OutputAvailableBlock.cs
@@ -53,9 +53,7 @@ namespace System.Threading.Tasks.Dataflow {
                        linkBridge = bridge;
                        cancellationRegistration = token.Register (() =>
                        {
-                               lock (completion) {
-                                       completion.TrySetCanceled ();
-                               }
+                               completion.TrySetCanceled ();
                                CompletionSet ();
                        });