From: Namhyung Kim <namhyung....@lge.com> 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-namhy...@kernel.org Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Ingo Molnar <mi...@kernel.org> Cc: Namhyung Kim <namhyung....@lge.com> Cc: sta...@vger.kernel.org Signed-off-by: Namhyung Kim <namhy...@kernel.org> Signed-off-by: Steven Rostedt <rost...@goodmis.org> --- kernel/trace/ftrace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index c9f3149..9e31987 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3792,7 +3792,8 @@ out: if (fail) return -EINVAL; - ftrace_graph_filter_enabled = 1; + ftrace_graph_filter_enabled = !!(*idx); + return 0; } -- 1.7.10.4
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