Various small fixes

Change-Id: I83802169d0d968f7b88d4be2cedba74b15fdd7da
diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/RouterInfo.java b/apps/routing-api/src/main/java/org/onosproject/routing/RouterInfo.java
index 99a6af4..6f2347f 100644
--- a/apps/routing-api/src/main/java/org/onosproject/routing/RouterInfo.java
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/RouterInfo.java
@@ -43,7 +43,7 @@
      */
     public RouterInfo(ConnectPoint controlPlaneConnectPoint, boolean ospfEnabled, Set<String> interfaces) {
         this.controlPlaneConnectPoint = checkNotNull(controlPlaneConnectPoint);
-        this.ospfEnabled = checkNotNull(ospfEnabled);
+        this.ospfEnabled = ospfEnabled;
         this.interfaces = ImmutableSet.copyOf(checkNotNull(interfaces));
     }