Prevent possible null pointer in netconf-connector's keepalives

Change-Id: If73a6eae2b11b3f4f3b37b0f5a022ebf5b9b18a8
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
(cherry picked from commit 5a4c31766fe1f8d3b600f1d4aa59b8407e90d100)

diff --git a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/KeepaliveSalFacade.java b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/KeepaliveSalFacade.java
index 3537cd92b0bd6d2cdf73e7e22f1379336406eb37..6c29f1d33846df7fb054bdb4eb945881e3d55278 100644 (file)
--- a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/KeepaliveSalFacade.java
+++ b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/KeepaliveSalFacade.java
@@ -92,7 +92,9 @@ public final class KeepaliveSalFacade implements RemoteDeviceHandler<NetconfSess
      */
     private void resetKeepalive() {
         LOG.trace("{}: Resetting netconf keepalive timer", id);
-        currentKeepalive.cancel(false);
+        if(currentKeepalive != null) {
+            currentKeepalive.cancel(false);
+        }
         scheduleKeepalive();
     }