Len Brown c0d64cb031 cpuidle: add cpuidle_unregister_driver() error check
Assure that cpuidle_unregister_driver() will not clobber
the registered driver if unregistered by somebody else.

Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-27 13:04:04 -04:00
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