On Tue, Jul 23, 2013 at 02:31:00AM +0200, Frederic Weisbecker wrote:
SNIP
> if (event->attach_state & PERF_ATTACH_TASK)
> static_key_slow_inc(&perf_sched_events.key);
> if (event->attr.mmap || event->attr.mmap_data)
> @@ -6572,16 +6570,19 @@ done:
> atomic_inc(&per_cpu(perf_branch_stack_events,
> event->cpu));
> }
> - if (event->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
> - err = get_callchain_buffers();
> - if (err) {
> - free_event(event);
> - return ERR_PTR(err);
> - }
> - }
> }
>
> return event;
> +
> +err_pmu:
> + if (event->destroy)
> + event->destroy(event);
> +err_ns:
> + if (event->ns)
> + put_pid_ns(event->ns);
> + kfree(event);
> +
> + return ERR_PTR(err);
could we call __free_filter(event) here?
jirka
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