tree c57c1804c9cdf8e3fca25d39fad06a3b8a5039d4
parent 18c049a226de085c8690c6a925a57710ab8b107d
author peng.chen <peng.c.chen@intel.com> 1464326180 +0800
committer Sean V Kelley <seanvk@posteo.de> 1464385087 -0700

fix check NULL issues

v2:
code clean up

v1:
initial

Signed-off-by: peng.chen <peng.c.chen@intel.com>