The function handlers should be unregistered when the plugin unloaded
otherwise they'll try to access invalid memory.
Cc: Jiri Olsa <jo...@redhat.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/lib/traceevent/plugin_jbd2.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/tools/lib/traceevent/plugin_jbd2.c
b/tools/lib/traceevent/plugin_jbd2.c
index 2f93f81f0bac..88fe6fe872d5 100644
--- a/tools/lib/traceevent/plugin_jbd2.c
+++ b/tools/lib/traceevent/plugin_jbd2.c
@@ -66,3 +66,14 @@ 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");
+}
--
1.7.11.7
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