nvdimm: Fix memleak of pmu attr_groups in unregister_nvdimm_pmu()

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[ Upstream commit 85ae42c721 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Konstantin Meskhidze 2023-08-17 19:59:45 +08:00 • committed by Greg Kroah-Hartman

parent cbac29a1ca

commit 4999f2ec5f

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drivers/nvdimm/nd_perf.c

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