tree 9f23ecf3cc38aeddc34a67cee876b18284c8220a
parent 4e0e0936a60778db65e86ae6bc7f122b2b40222e
author Sahil Lele <sahil@onlab.us> 1437761143 -0700
committer Gerrit Code Review <gerrit@onlab.us> 1437763903 +0000

ONOS-2432 Fixed blackhole npe by only acting on src and dst hosts that are not null

Change-Id: Iae587a8b873b0d697bb6d723be2afafd9bb56de4