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perf pmu: Use perf_cpu_map__set_nr() in perf_pmu__cpus_match() to allow for refcnt checking

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One more step to allow for checking reference counting, user after free,
etc.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Link: https://lore.kernel.org/ZDb9dycHQ11UIXwx@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2023-04-12 14:56:28 -03:00
parent b277851417
commit 9efe423e43
1 changed files with 2 additions and 2 deletions
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4
tools/perf/util/pmu.c
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@ -2020,8 +2020,8 @@ int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus,
matched_cpus->map[matched_nr++] = cpu;
}
unmatched_cpus->nr = unmatched_nr;
matched_cpus->nr = matched_nr;
perf_cpu_map__set_nr(unmatched_cpus, unmatched_nr);
perf_cpu_map__set_nr(matched_cpus, matched_nr);
*mcpus_ptr = matched_cpus;
*ucpus_ptr = unmatched_cpus;
return 0;