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| author |  Arnaldo Carvalho de Melo <acme@redhat.com>
| 2023-04-12 14:56:28 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com>
| 2023-04-12 15:52:47 -0300 |
| commit | 9efe423e4387893498e11c75207bc9a1c9121246 (patch) | |
| tree | 4c27e3d269c834eb9d3d108e2fbefd4396725940 /tools/perf/util/pmu.c | |
| parent | libperf: Add a perf_cpu_map__set_nr() available as an internal function for t... (diff) | |
| download | linux-9efe423e4387893498e11c75207bc9a1c9121246.tar.gz linux-9efe423e4387893498e11c75207bc9a1c9121246.tar.bz2 linux-9efe423e4387893498e11c75207bc9a1c9121246.zip | |
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.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/pmu.c')
| -rw-r--r-- | tools/perf/util/pmu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 561e2616861f..760c848c9fa2 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -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; |