ftrace: Pass probe ops to probe function

In preparation to cleaning up the probe function registration code, the
"data" parameter will eventually be removed from the probe->func() call.
Instead it will receive its own "ops" function, in which it can set up its
own data that it needs to map.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

kernel/trace/ftrace.c

@@ -3739,7 +3739,7 @@ static void function_trace_probe_call(unsigned long ip, unsigned long parent_ip,
 	preempt_disable_notrace();
 	hlist_for_each_entry_rcu_notrace(entry, hhd, node) {
 		if (entry->ip == ip)
-			entry->ops->func(ip, parent_ip, &entry->data);
+			entry->ops->func(ip, parent_ip, entry->ops, &entry->data);
 	}
 	preempt_enable_notrace();
 }