Sonar suggestions - fixes to potential null pointer dereferences

Change-Id: I4e350a9d72a9322971d5d4f831f1bdf167986b87
diff --git a/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java b/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java
index eadb4cf..0633d12 100644
--- a/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java
+++ b/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java
@@ -418,6 +418,7 @@
             // IPv6: Use Neighbor Discovery
             //TODO need to implement ndp probe
             log.info("Triggering probe on device {} ", host);
+            return;
         }
 
         TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(host.location().port()).build();
diff --git a/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepTunnelProvider.java b/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepTunnelProvider.java
index a2d21bc..664aaa4 100644
--- a/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepTunnelProvider.java
+++ b/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/PcepTunnelProvider.java
@@ -1609,7 +1609,7 @@
             DefaultTunnelDescription td;
             SparseAnnotations annotations = null;
             State tunnelState = PcepLspStatus.getTunnelStatusFromLspStatus(PcepLspStatus.values()[lspObj.getOFlag()]);
-            if (tunnel == null) {
+            if (tunnel == null && pathNameTlv != null) {
                 if (lspObj.getRFlag()) {
                     /*
                      * If PCC sends remove message and for any reason PCE does not have that entry, simply discard the