From: Kan Liang kan.liang@linux.intel.com

The uncore unit with the type ID 0 and the unit ID 0 is missed.

The table3 of the uncore unit maybe 0. The uncore_discovery_invalid_unit() mistakenly treated it as an invalid value.

Remove the !unit.table3 check.

Fixes: edae1f06c2cd ("perf/x86/intel/uncore: Parse uncore discovery tables") Reviewed-by: Andi Kleen ak@linux.intel.com Signed-off-by: Kan Liang kan.liang@linux.intel.com Cc: stable@vger.kernel.org --- arch/x86/events/intel/uncore_discovery.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/uncore_discovery.h b/arch/x86/events/intel/uncore_discovery.h index 7280c8a..6d735611 100644 --- a/arch/x86/events/intel/uncore_discovery.h +++ b/arch/x86/events/intel/uncore_discovery.h @@ -30,7 +30,7 @@

#define uncore_discovery_invalid_unit(unit) \ - (!unit.table1 || !unit.ctl || !unit.table3 || \ + (!unit.table1 || !unit.ctl || \ unit.table1 == -1ULL || unit.ctl == -1ULL || \ unit.table3 == -1ULL)