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[ Upstream commit6532783310] Current clear_attr_update procedure in pmu_set_mapping() sets attr_update field in NULL that is not correct because intel_uncore_type pmu types can contain several groups in attr_update field. For example, SPR platform already has uncore_alias_group to update and then UPI topology group will be added in next patches. Fix current behavior and clear attr_update group related to mapping only. Fixes:bb42b3d397("perf/x86/intel/uncore: Expose an Uncore unit to IIO PMON mapping") Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20221117122833.3103580-4-alexander.antonov@linux.intel.com Signed-off-by: Sasha Levin <sashal@kernel.org>