[PATCH] cpufreq: amd-pstate: fix the memory to free after epp exist

From: zhida312
Date: Mon May 13 2024 - 23:18:20 EST


From: andypma <andypma.tencent.com>

the cpudata memory from kzmalloc in epp init function is
not free after epp exist, so we should free it.

Signed-off-by: Peng Ma <andypma@xxxxxxxxxxx>
---
drivers/cpufreq/amd-pstate.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 2db095867d03..96a323f59a93 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -1425,6 +1425,9 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy)

static int amd_pstate_epp_cpu_exit(struct cpufreq_policy *policy)
{
+ struct amd_cpudata *cpudata = policy->driver_data;
+
+ kfree(cpudata);
pr_debug("CPU %d exiting\n", policy->cpu);
return 0;
}
--
2.33.0