perf/x86/intel/uncore: Fix invalid unit check
authorKan Liang <kan.liang@linux.intel.com>
Thu, 26 Aug 2021 15:32:38 +0000 (08:32 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 Nov 2021 18:16:00 +0000 (19:16 +0100)
commit54cabed24b73d3b7e46ece357d170eb5e502b53c
treef6ec67f88ee4a974f370c2422ebae0bed07957c1
parent398318fb96c8d0bc5517994c2d94791078328313
perf/x86/intel/uncore: Fix invalid unit check

commit e2bb9fab08cbcc7922050c7eb0bd650807abfa4e upstream.

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")
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/1629991963-102621-3-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/events/intel/uncore_discovery.h