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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2015-09-30 11:45:22 -0400
committerSteven Rostedt <rostedt@goodmis.org>2015-09-30 15:22:57 -0400
commit2d34f48955158cfdf18704256c84b04fe3a16c7b (patch)
tree625e3b31654e1bd70123db75b279c9fc2cb598ff /kernel/trace/trace_events.c
parent9a38a8856f41f90cc7e57798c544e3fe77033196 (diff)
downloadlinux-2d34f48955158cfdf18704256c84b04fe3a16c7b.tar.gz
tracing: Make ftrace_trace_stack() depend on general trace_array flag
In preparation for the multi buffer instances to have their own trace_flags,
the check in ftrace_trace_stack() needs to test the trace_array descriptor
flag that is for the current event, not the global_trace descriptor.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events.c')
-rw-r--r--kernel/trace/trace_events.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 0f394112a0a7..57c9e709772c 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2941,15 +2941,15 @@ static struct ftrace_ops trace_ops __initdata  =
 static __init void event_trace_self_test_with_function(void)
 {
 	int ret;
+	event_tr = top_trace_array();
+	if (WARN_ON(!event_tr))
+		return;
 	ret = register_ftrace_function(&trace_ops);
 	if (WARN_ON(ret < 0)) {
 		pr_info("Failed to enable function tracer for event tests\n");
 		return;
 	}
 	pr_info("Running tests again, along with the function tracer\n");
-	event_tr = top_trace_array();
-	if (WARN_ON(!event_tr))
-		return;
 	event_trace_self_tests();
 	unregister_ftrace_function(&trace_ops);
 }