From a157112cfc67b3889f6493933cbd32620aa4be18 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 16 Jan 2014 11:31:17 +0900 Subject: [PATCH] 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 Reviewed-by: Jiri Olsa Acked-by: Steven Rostedt Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Steven Rostedt Link: http://lkml.kernel.org/r/1389839478-5887-12-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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"); +} -- 2.7.4