tree afbe71bbb7778b0e10ad82aa824fd3a078a40bf9
parent e0cac78db3dfa4530e2f0459c7a608fd81cdea0b
author Simon Hunt <simon@onlab.us> 1494957223 -0700
committer Simon Hunt <simon@onlab.us> 1494959969 +0000

ONOS-6415: NPE in Topo2Jsonifier
- check made for returned backing host being null.

Change-Id: Ib7df17c45d4b39a85662ec5e37dab4821da8225d