diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2014-01-16 11:31:09 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-16 16:26:24 -0300 |
| commit | ac668c7b7d87c1895faf196a337b5ddfd32a0e21 (patch) | |
| tree | d25088441689fa96f9b233c189d34268c77f5d64 | |
| parent | 20c7e5abbd0cdfaa656f46af052a6e6a8ce94775 (diff) | |
tools lib traceevent: Unregister handler when function 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 <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/1389839478-5887-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/lib/traceevent/plugin_function.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugin_function.c b/tools/lib/traceevent/plugin_function.c index 39461485f9a7..80ba4ff1fe84 100644 --- a/tools/lib/traceevent/plugin_function.c +++ b/tools/lib/traceevent/plugin_function.c @@ -148,6 +148,9 @@ void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) { int i, x; + pevent_unregister_event_handler(pevent, -1, "ftrace", "function", + function_handler, NULL); + for (i = 0; i <= cpus; i++) { for (x = 0; x < fstack[i].size && fstack[i].stack[x]; x++) free(fstack[i].stack[x]); |