tree dac5a7c631d23b5faf1f13da553e3ddf092f399e
parent 9aa88bbcfdfa07c8aedabf060302a98fd3d5a5af
author YPZhang <yunpeng@onlab.us> 1463511650 -0700
committer YPZhang <yunpeng@onlab.us> 1463511650 -0700

Fixed a problem in driver
	- checkFlowsStates will return False if flows return None

Change-Id: Ia0cc58b9aafe842eacef9426bbe7d8db658b0f31