ref: e9950b0768c55e94159f66545a0cd430acb7ef57
parent: 39a90bc8e879738c336304960dfcee6a17fee057
author: Yunqing Wang <yunqingwang@google.com>
date: Mon May 20 13:32:50 EDT 2013
Unnecessary passing of prev_mi Passing prev_mi is not needed. Change-Id: I6453bb47514ddafd555864d190ecf6d1a6bdc136