diff mbox series

cpufreq: fix a mem leak caused by policy->max_freq_req in cpufreq_policy_free()

Message ID 1583069198-21060-1-git-send-email-qiwuchen55@gmail.com
State New
Headers show
Series cpufreq: fix a mem leak caused by policy->max_freq_req in cpufreq_policy_free() | expand

Commit Message

qiwuchen55@gmail.com March 1, 2020, 1:26 p.m. UTC 
From: chenqiwu <chenqiwu@xiaomi.com>

There is a mem leak in cpufreq_policy_free() that the resource of
policy->max_freq_req pointer is not free.

Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
---
 drivers/cpufreq/cpufreq.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index cbe6c94..6756f7a 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1280,6 +1280,8 @@  static void cpufreq_policy_free(struct cpufreq_policy *policy)
 		blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
 					     CPUFREQ_REMOVE_POLICY, policy);
 		freq_qos_remove_request(policy->max_freq_req);
+		kfree(policy->max_freq_req);
+		policy->max_freq_req = NULL;
 	}
 
 	freq_qos_remove_request(policy->min_freq_req);