| From | Namhyung Kim <> | Subject | [PATCH 16/17] tools lib traceevent: Unregister handler when scsi plugin unloaded | Date | Wed, 15 Jan 2014 10:45:39 +0900 |
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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_scsi.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c index 6fb8e3e3fcad..64d688534518 100644 --- a/tools/lib/traceevent/plugin_scsi.c +++ b/tools/lib/traceevent/plugin_scsi.c @@ -421,3 +421,10 @@ 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_scsi_trace_parse_cdb, + "scsi_trace_parse_cdb"); +} -- 1.7.11.7
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