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Subject[PATCH 16/17] tools lib traceevent: Unregister handler when scsi plugin unloaded
Date
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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