tree b15058d96fe7c10738f9cc4efa083897add5f7ac
parent 883d588e556347c4b3221ac492a8acd8a75e730a
author MyungJoo Ham <myungjoo.ham@samsung.com> 1353492291 +0900
committer MyungJoo Ham <myungjoo.ham@samsung.com> 1353925066 +0900

PM / devfreq: missing rcu_read_lock() added for find_device_opp()

opp_get_notifier() uses find_device_opp(), which requires to
held rcu_read_lock. In order to keep the notifier-header
valid, we have added rcu_read_lock().

Reported-by: Kees Cook <keescook@chromium.org>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>