The function handler should be unregistered when the plugin unloaded
otherwise it'll try to access invalid memory.
Reviewed-by: Jiri Olsa <jo...@redhat.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/lib/traceevent/plugin_xen.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/lib/traceevent/plugin_xen.c
b/tools/lib/traceevent/plugin_xen.c
index e7794298f3a9..3a413eaada68 100644
--- a/tools/lib/traceevent/plugin_xen.c
+++ b/tools/lib/traceevent/plugin_xen.c
@@ -128,3 +128,9 @@ 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_xen_hypercall_name,
+ "xen_hypercall_name");
+}
--
1.7.11.7
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