[CPUFREQ] Refactor locking in cpufreq_add_dev
Simplify this by moving the unlocking out of the error
paths into the exit path.
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
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Simplify this by moving the unlocking out of the error
paths into the exit path.
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>