diff options
author | Namhyung Kim <namhyung@kernel.org> | 2014-01-15 21:31:09 -0500 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-16 14:26:24 -0500 |
commit | ac668c7b7d87c1895faf196a337b5ddfd32a0e21 (patch) | |
tree | d25088441689fa96f9b233c189d34268c77f5d64 /tools | |
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>
Diffstat (limited to 'tools')
-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) | |||
148 | { | 148 | { |
149 | int i, x; | 149 | int i, x; |
150 | 150 | ||
151 | pevent_unregister_event_handler(pevent, -1, "ftrace", "function", | ||
152 | function_handler, NULL); | ||
153 | |||
151 | for (i = 0; i <= cpus; i++) { | 154 | for (i = 0; i <= cpus; i++) { |
152 | for (x = 0; x < fstack[i].size && fstack[i].stack[x]; x++) | 155 | for (x = 0; x < fstack[i].size && fstack[i].stack[x]; x++) |
153 | free(fstack[i].stack[x]); | 156 | free(fstack[i].stack[x]); |