tree 33337cc4b09c700f13918360cab0b0d41e9b4c65
parent b95379ccb5692a2b8a7c001553874ac26b7ac53a
author Pavlin Radoslavov <pavlin@onlab.us> 1386968555 -0800
committer Pavlin Radoslavov <pavlin@onlab.us> 1386968555 -0800

Fix a bug in the shortest path computation:
If we are computing a path from/to the same DPID, and if the "in" and "out"
ports are same, then return null.