opp_get_notifier() needs to be under rcu_lock?

[Kees Cook]

Hi,

It looks like find_device_opp() (called from opp_get_notifier()) needs
to be under RCU read lock, but this doesn't seem to be happening in
drivers/devfreq/devfreq.c. Doesn't this run the risk of referencing a
freed variable?

Thanks,

-Kees

-- 
Kees Cook
Chrome OS Security
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