Messages in this thread Patch in this message | | | Date | Sun, 19 Jan 2014 04:23:39 -0800 | From | tip-bot for Namhyung Kim <> | Subject | [tip:perf/core] tools lib traceevent: Unregister handler when mac80211 plugin is unloaded |
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Commit-ID: ec7c6debdd446ad2262f236d13964efae90ba0f7 Gitweb: http://git.kernel.org/tip/ec7c6debdd446ad2262f236d13964efae90ba0f7 Author: Namhyung Kim <namhyung@kernel.org> AuthorDate: Thu, 16 Jan 2014 11:31:14 +0900 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Thu, 16 Jan 2014 16:26:25 -0300
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> --- tools/lib/traceevent/plugin_mac80211.c | 7 +++++++ 1 file changed, 7 insertions(+)
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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