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| author | Jacob Shin <jacob.shin@amd.com> | 2013-06-27 22:02:12 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-06-27 22:02:12 +0200 |
| commit | 419e172145cf6c51d436a8bf4afcd17511f0ff79 (patch) | |
| tree | ddf65b39e5096a170f102b9b46e7e11b12cf600c /drivers/cpufreq | |
| parent | 874e628f8b34cf4b3b7f471063841647c221f453 (diff) | |
| download | linux-419e172145cf6c51d436a8bf4afcd17511f0ff79.tar.gz linux-419e172145cf6c51d436a8bf4afcd17511f0ff79.tar.bz2 linux-419e172145cf6c51d436a8bf4afcd17511f0ff79.zip | |
cpufreq: don't leave stale policy pointer in cdbs->cur_policy
Clear ->cur_policy when stopping a governor, or the ->cur_policy
pointer may be stale on systems with have_governor_per_policy when a
new policy is allocated due to CPU hotplug offline/online.
[rjw: Changelog]
Suggested-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Jacob Shin <jacob.shin@amd.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index a849b2d499fa..464587697561 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -366,6 +366,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, mutex_lock(&dbs_data->mutex); mutex_destroy(&cpu_cdbs->timer_mutex); + cpu_cdbs->cur_policy = NULL; mutex_unlock(&dbs_data->mutex); |