diff options
| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-04-11 09:01:38 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2013-04-13 05:02:30 +0200 |
| commit | 9f50afccfdc15d95d7331acddcb0f7703df089ae (patch) | |
| tree | 348b898d53a1b4f14d9d03e11e5bbf5d561fc5f8 /kernel/trace | |
| parent | tracing: Fix off-by-one on allocating stat->pages (diff) | |
| download | linux-9f50afccfdc15d95d7331acddcb0f7703df089ae.tar.xz linux-9f50afccfdc15d95d7331acddcb0f7703df089ae.zip | |
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>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/ftrace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index c9f31491009f..9e3198782507 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; } |