tree 367ed7a959e435eab70a79c6f99aa7529f566fe6
parent ffa27d3cc2be71d197fd7e767b960dda10267116
author sangho <sangho@onlab.us> 1430498305 -0700
committer Gerrit Code Review <gerrit@onlab.us> 1430852643 +0000

ONOS-1786: Updates group buckets when link status is changed.
 - Add null check for port map when creating new groups

Change-Id: I92b494d91e908011f2c08be850ccde648e647a09