tree 4e838c082c5480c6f65491d3336cd0e815b6fa51
parent 4f02b3a4cab8e4187f7d84fb73ec884974bdc877
author Hyunsun Moon <hyunsun.moon@gmail.com> 1444931684 -0700
committer Gerrit Code Review <gerrit@onlab.us> 1445324809 +0000

Fix to return empty list not null if there is no rows in Controller table

Change-Id: If1ff8c229cfafdd25c5cef4029c6f31dc5cfb6d8