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Commit bf7d1338 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "cpufreq: schedutil: Fix UAF issue"

parents 5e4dbce2 65d21518

kernel/sched/cpufreq_schedutil.c

+5 −3
Original line number Diff line number Diff line
@@ -1296,12 +1296,14 @@ static void sugov_exit(struct cpufreq_policy *policy) 


	mutex_lock(&global_tunables_lock);



	/* Save tunables before last owner release it in gov_attr_set_put() */

	if (tunables->attr_set.usage_count == 1)

		sugov_tunables_save(policy, tunables);



	count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook);

	policy->governor_data = NULL;

	if (!count) {

		sugov_tunables_save(policy, tunables);

	if (!count)

		sugov_clear_global_tunables();

	}



	mutex_unlock(&global_tunables_lock);