diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 01f0a8bdd534..11b9edc713ba 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -441,8 +441,10 @@ void cpufreq_freq_transition_end(struct cpufreq_policy *policy,
 
 	cpufreq_notify_post_transition(policy, freqs, transition_failed);
 
+	spin_lock(&policy->transition_lock);
 	policy->transition_ongoing = false;
 	policy->transition_task = NULL;
+	spin_unlock(&policy->transition_lock);
 
 	wake_up(&policy->transition_wait);
 }