Commit-ID:  a157112cfc67b3889f6493933cbd32620aa4be18
Gitweb:     http://git.kernel.org/tip/a157112cfc67b3889f6493933cbd32620aa4be18
Author:     Namhyung Kim <[email protected]>
AuthorDate: Thu, 16 Jan 2014 11:31:17 +0900
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Thu, 16 Jan 2014 16:26:25 -0300

tools lib traceevent: Unregister handler when scsi plugin is unloaded

The function handler should be unregistered when the plugin is unloaded
otherwise it'll try to access invalid memory.

Signed-off-by: Namhyung Kim <[email protected]>
Reviewed-by: Jiri Olsa <[email protected]>
Acked-by: Steven Rostedt <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/lib/traceevent/plugin_scsi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/lib/traceevent/plugin_scsi.c 
b/tools/lib/traceevent/plugin_scsi.c
index 7ef16cc..eda326f 100644
--- a/tools/lib/traceevent/plugin_scsi.c
+++ b/tools/lib/traceevent/plugin_scsi.c
@@ -421,3 +421,9 @@ 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_scsi_trace_parse_cdb,
+                                        "scsi_trace_parse_cdb");
+}
--
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