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| author | Namhyung Kim <namhyung@kernel.org> | 2014-01-16 11:31:16 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-16 16:26:25 -0300 |
| commit | 0247a967d4c1986821b3c7cbad324468fa6f2ae3 (patch) | |
| tree | eebbe3bdd316c00ca4569ed1d42729b676d7f391 /tools/lib/traceevent/plugin_jbd2.c | |
| parent | 6024cf3898d25088b01025d72a6929839de9c7b6 (diff) | |
| download | talos-obmc-linux-0247a967d4c1986821b3c7cbad324468fa6f2ae3.tar.gz talos-obmc-linux-0247a967d4c1986821b3c7cbad324468fa6f2ae3.zip | |
tools lib traceevent: Unregister handler when jbd2 plugin is is unloaded
The function handlers should be unregistered when the plugin unloaded
otherwise they'll try to access invalid memory.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1389839478-5887-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent/plugin_jbd2.c')
| -rw-r--r-- | tools/lib/traceevent/plugin_jbd2.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugin_jbd2.c b/tools/lib/traceevent/plugin_jbd2.c index 2f93f81f0bac..0db714c721be 100644 --- a/tools/lib/traceevent/plugin_jbd2.c +++ b/tools/lib/traceevent/plugin_jbd2.c @@ -66,3 +66,12 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent) PEVENT_FUNC_ARG_VOID); return 0; } + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_print_function(pevent, process_jbd2_dev_to_name, + "jbd2_dev_to_name"); + + pevent_unregister_print_function(pevent, process_jiffies_to_msecs, + "jiffies_to_msecs"); +} |
