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authorNamhyung Kim <[email protected]>2014-01-16 11:31:14 +0900
committerArnaldo Carvalho de Melo <[email protected]>2014-01-16 16:26:25 -0300
commitec7c6debdd446ad2262f236d13964efae90ba0f7 (patch)
treea17820c505622334a2fad4b281fd8e2368abbc08
parent02bafd377c1137d0705f224881cd21de123204f0 (diff)
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 <[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]>
-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 558a3b91c046..7e15a0f1c2fd 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);
+}