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| author | Andrew Morton <akpm@linux-foundation.org> | 2022-10-16 16:06:53 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-16 16:06:53 -0700 |
| commit | 280330fac48280e16454cfa46c368af4812ad79c (patch) | |
| tree | 18b9ed796c57e3929e50b9b03f2c6501740b03d6 /tools/perf/util/affinity.c | |
| parent | d0d51a97063db4704a5ef6bc978dddab1636a306 (diff) | |
| parent | 4fe89d07dcc2804c8b562f6c7896a45643d34b2f (diff) | |
Merge branch 'master' into mm-hotfixes-stable
Diffstat (limited to 'tools/perf/util/affinity.c')
| -rw-r--r-- | tools/perf/util/affinity.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/util/affinity.c b/tools/perf/util/affinity.c index 4d216c0dc425..4ee96b3c755b 100644 --- a/tools/perf/util/affinity.c +++ b/tools/perf/util/affinity.c @@ -49,8 +49,14 @@ void affinity__set(struct affinity *a, int cpu) { int cpu_set_size = get_cpu_set_size(); - if (cpu == -1) + /* + * Return: + * - if cpu is -1 + * - restrict out of bound access to sched_cpus + */ + if (cpu == -1 || ((cpu >= (cpu_set_size * 8)))) return; + a->changed = true; set_bit(cpu, a->sched_cpus); /* |