From 419e172145cf6c51d436a8bf4afcd17511f0ff79 Mon Sep 17 00:00:00 2001 From: Jacob Shin Date: Thu, 27 Jun 2013 22:02:12 +0200 Subject: 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 Signed-off-by: Jacob Shin Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/cpufreq_governor.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/cpufreq') 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); -- cgit v1.2.2