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cpufreq: amd-pstate: fix memory leak on CPU EPP exit

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BugLink: https://bugs.launchpad.net/bugs/2075154

[ Upstream commit cea04f3d9aeebda9d9c063c0dfa71e739c322c81 ]

The cpudata memory from kzalloc() in amd_pstate_epp_cpu_init() is
not freed in the analogous exit function, so fix that.

Signed-off-by: Peng Ma <andypma@tencent.com>
Acked-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Perry Yuan <Perry.Yuan@amd.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Peng Ma
2024-05-16 14:30:42 +08:00
committed by Roxana Nicolescu
parent 95ffb788ea
commit e7f58b966d
1 changed files with 7 additions and 0 deletions
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drivers/cpufreq/amd-pstate.c
+7
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@@ -1284,6 +1284,13 @@ free_cpudata1:
static int amd_pstate_epp_cpu_exit(struct cpufreq_policy *policy)
{
struct amd_cpudata *cpudata = policy->driver_data;
if (cpudata) {
kfree(cpudata);
policy->driver_data = NULL;
}
pr_debug("CPU %d exiting\n", policy->cpu);
return 0;
}