Commit 9f50afcc authored Apr 11, 2013 by Namhyung Kim Committed by Steven Rostedt Apr 12, 2013

tracing: Reset ftrace_graph_filter_enabled if count is zero

The ftrace_graph_count can be decreased with a "!" pattern, so that
the enabled flag should be updated too.

Link: http://lkml.kernel.org/r/1365663698-2413-1-git-send-email-namhyung@kernel.org



Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

parent 39e30cd1

kernel/trace/ftrace.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -3792,7 +3792,8 @@ out:
		if (fail)
		return -EINVAL;

		ftrace_graph_filter_enabled = 1;
		ftrace_graph_filter_enabled = !!(*idx);

		return 0;
		}