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Commit f1b21c9a authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
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tracing: Only let top level have option files 



Currently, only the top level instance can have tracing options.

Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 607e2ea1

kernel/trace/trace.c

+5 −3
Original line number Diff line number Diff line
@@ -3968,9 +3968,11 @@ static int tracing_set_tracer(struct trace_array *tr, const char *buf) 
		free_snapshot(tr);

	}

#endif

	/* Currently, only the top instance has options */

	if (tr->flags & TRACE_ARRAY_FL_GLOBAL) {

		destroy_trace_option_files(topts);



		topts = create_trace_option_files(tr, t);

	}



#ifdef CONFIG_TRACER_MAX_TRACE

	if (t->use_max_tr && !had_max_tr) {