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authorNamhyung Kim <namhyung@kernel.org>2014-01-16 11:31:14 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-01-16 16:26:25 -0300
commitec7c6debdd446ad2262f236d13964efae90ba0f7 (patch)
treea17820c505622334a2fad4b281fd8e2368abbc08 /tools/lib/traceevent
parent02bafd377c1137d0705f224881cd21de123204f0 (diff)
downloadop-kernel-dev-ec7c6debdd446ad2262f236d13964efae90ba0f7.zip
op-kernel-dev-ec7c6debdd446ad2262f236d13964efae90ba0f7.tar.gz
tools lib traceevent: Unregister handler when mac80211 plugin is unloaded
The event 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/1389839478-5887-9-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent')
-rw-r--r--tools/lib/traceevent/plugin_mac80211.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugin_mac80211.c b/tools/lib/traceevent/plugin_mac80211.c
index 558a3b9..7e15a0f 100644
--- a/tools/lib/traceevent/plugin_mac80211.c
+++ b/tools/lib/traceevent/plugin_mac80211.c
@@ -93,3 +93,10 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
drv_bss_info_changed, NULL);
return 0;
}
+
+void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
+{
+ pevent_unregister_event_handler(pevent, -1, "mac80211",
+ "drv_bss_info_changed",
+ drv_bss_info_changed, NULL);
+}
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