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| author | Peng Ma <andypma@tencent.com> | 2024-05-16 14:30:42 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-27 13:49:05 +0200 |
| commit | 448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd (patch) | |
| tree | 4bfaf6636cfd29a0dbba054835e9c15f47100446 /drivers/cpufreq | |
| parent | 618fbf4c910a06a3aa6a8b88a5fb1f2197f964f3 (diff) | |
| download | linux-448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd.tar.gz linux-448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd.tar.bz2 linux-448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd.zip | |
cpufreq: amd-pstate: fix memory leak on CPU EPP exit
[ 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>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index b8fdfd2c4f6f..a5f4c255edad 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1216,6 +1216,13 @@ 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; } |