diff --git a/kernel/events/core.c b/kernel/events/core.c
index 04e19a857d4b..e1ffdb861b53 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -11734,11 +11734,9 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
 		event->destroy(event);
 	module_put(pmu->module);
 err_ns:
-	if (event->ns)
-		put_pid_ns(event->ns);
 	if (event->hw.target)
 		put_task_struct(event->hw.target);
-	kmem_cache_free(perf_event_cache, event);
+	call_rcu(&event->rcu_head, free_event_rcu);
 
 	return ERR_PTR(err);
 }