[PATCH 6.1 293/312] cpufreq: governor: Free dbs_data directly when gov->init() fails

Greg Kroah-Hartman
2026-04-08T18:19:32Z

From: Liao Chang <liaochang1@huawei.com>

[ Upstream commit 916f13884042f615cfbfc0b42cc68dadee826f2a ]

Due to the kobject embedded in the dbs_data doest not has a release()
method yet, it needs to use kfree() to free dbs_data directly when
governor fails to allocate the tunner field of dbs_data.

Signed-off-by: Liao Chang <liaochang1@huawei.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: 6dcf9d0064ce ("cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/cpufreq/cpufreq_governor.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -440,7 +440,7 @@ int cpufreq_dbs_governor_init(struct cpu

ret = gov->init(dbs_data);
if (ret)
- goto free_policy_dbs_info;
+ goto free_dbs_data;

/*
* The sampling interval should not be less than the transition latency
@@ -475,6 +475,8 @@ int cpufreq_dbs_governor_init(struct cpu
if (!have_governor_per_policy())
gov->gdbs_data = NULL;
gov->exit(dbs_data);
+
+free_dbs_data:
kfree(dbs_data);