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

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.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent b2778514
...@@ -2020,8 +2020,8 @@ int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus, ...@@ -2020,8 +2020,8 @@ int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus,
matched_cpus->map[matched_nr++] = cpu; matched_cpus->map[matched_nr++] = cpu;
} }
unmatched_cpus->nr = unmatched_nr; perf_cpu_map__set_nr(unmatched_cpus, unmatched_nr);
matched_cpus->nr = matched_nr; perf_cpu_map__set_nr(matched_cpus, matched_nr);
*mcpus_ptr = matched_cpus; *mcpus_ptr = matched_cpus;
*ucpus_ptr = unmatched_cpus; *ucpus_ptr = unmatched_cpus;
return 0; return 0;
......
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