| From | Namhyung Kim <> | Subject | [PATCH 17/17] tools lib traceevent: Unregister handler when xen plugin unloaded | Date | Wed, 15 Jan 2014 10:45:40 +0900 |
| |
The function handler should be unregistered when the plugin unloaded otherwise it'll try to access invalid memory.
Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/lib/traceevent/plugin_xen.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c index e7794298f3a9..a65353f44302 100644 --- a/tools/lib/traceevent/plugin_xen.c +++ b/tools/lib/traceevent/plugin_xen.c @@ -128,3 +128,10 @@ 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
|