On 11-03-16, 09:43, Richard Cochran wrote:
> The function, cpufreq_quick_get, accesses the global 'cpufreq_driver' and
> its fields without taking the associated lock, cpufreq_driver_lock.
> 
> Without the locking, nothing guarantees that 'cpufreq_driver' remains
> consistent during the call.  This patch fixes the issue by taking the lock
> before accessing the data structure.
> 
> Cc: Dirk Brandewie <[email protected]>
> Cc: Rafael J. Wysocki <[email protected]>
> Cc: Viresh Kumar <[email protected]>
> Cc: [email protected]
> Signed-off-by: Richard Cochran <[email protected]>
> ---
>  drivers/cpufreq/cpufreq.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)

Acked-by: Viresh Kumar <[email protected]>

-- 
viresh

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