[PATCH 3/5] v2 seccomp_filters: Enable ftrace-based system call filtering

[Steven Rostedt]

On Wed, 2011-05-18 at 21:07 -0700, Will Drewry wrote:

> Do event_* that return non-void exist in the tree at all now?  I've
> looked at the various tracepoint macros as well as some of the other
> handlers (trace_function, perf_tp_event, etc) and I'm not seeing any
> places where a return value is honored nor could be.  At best, the
> perf_tp_event can be short-circuited it in the hlist_for_each, but
> it'd still need a way to bubble up a failure and result in not calling
> the trace/event that the hook precedes.

No, none of the current trace hooks have return values. That was what I
was talking about how to implement in my previous emails.

-- Steve