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nvdimm: Fix memleak of pmu attr_groups in unregister_nvdimm_pmu()
Memory pointed by 'nd_pmu->pmu.attr_groups' is allocated in function
'register_nvdimm_pmu' and is lost after 'kfree(nd_pmu)' call in function
'unregister_nvdimm_pmu'.
Fixes: 0fab1ba6ad
("drivers/nvdimm: Add perf interface to expose nvdimm performance stats")
Co-developed-by: Ivanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Link: https://lore.kernel.org/r/20230817115945.771826-1-konstantin.meskhidze@huawei.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
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1 changed files with 1 additions and 0 deletions
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@ -324,6 +324,7 @@ void unregister_nvdimm_pmu(struct nvdimm_pmu *nd_pmu)
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{
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perf_pmu_unregister(&nd_pmu->pmu);
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nvdimm_pmu_free_hotplug_memory(nd_pmu);
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kfree(nd_pmu->pmu.attr_groups);
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kfree(nd_pmu);
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}
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EXPORT_SYMBOL_GPL(unregister_nvdimm_pmu);
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