tools lib traceevent: Unregister handler when cfg80211 plugin is unloaded
authorNamhyung Kim <namhyung@kernel.org>
Thu, 16 Jan 2014 02:31:15 +0000 (11:31 +0900)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 16 Jan 2014 19:26:25 +0000 (16:26 -0300)
The function handler should be unregistered when the plugin is unloaded
otherwise it'll try to access invalid memory.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1389839478-5887-10-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/lib/traceevent/plugin_cfg80211.c

index 57e9822..c066b25 100644 (file)
@@ -22,3 +22,9 @@ 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___le16_to_cpup,
+                                        "__le16_to_cpup");
+}