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 <dirk.brande...@gmail.com> > Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > Cc: Viresh Kumar <viresh.ku...@linaro.org> > Cc: linux...@vger.kernel.org > Signed-off-by: Richard Cochran <rcoch...@linutronix.de> > --- > drivers/cpufreq/cpufreq.c | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-)
Acked-by: Viresh Kumar <viresh.ku...@linaro.org> -- viresh
