diff options
Diffstat (limited to 'kernel/perf_event.c')
| -rw-r--r-- | kernel/perf_event.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 64a018e94fc..821ce822197 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -6098,17 +6098,22 @@ struct pmu *perf_init_event(struct perf_event *event) { struct pmu *pmu = NULL; int idx; + int ret; idx = srcu_read_lock(&pmus_srcu); rcu_read_lock(); pmu = idr_find(&pmu_idr, event->attr.type); rcu_read_unlock(); - if (pmu) + if (pmu) { + ret = pmu->event_init(event); + if (ret) + pmu = ERR_PTR(ret); goto unlock; + } list_for_each_entry_rcu(pmu, &pmus, entry) { - int ret = pmu->event_init(event); + ret = pmu->event_init(event); if (!ret) goto unlock; |