perf cpumap: Use perf_cpu_map__nr(cpus) to access cpus->nr

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So that we can have a single point where to refcount check 'struct perf_cpu_map'
instances for use after free, etc.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Dmitriy Vyukov <dvyukov@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/lkml/20230407230405.2931830-3-irogers@google.com
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Ian Rogers 2023-04-12 12:45:45 -03:00 • committed by Arnaldo Carvalho de Melo

parent 4e8db2d752

commit 7bb1d048bd

1 changed files with 6 additions and 6 deletions

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tools/perf/util/cpumap.c

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