lkml.org 
[lkml]   [2014]   [Jan]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 08/17] tools lib traceevent: Unregister handler when function plugin unloaded
Date
The function handler should be unregistered when the plugin unloaded
otherwise it'll try to access invalid memory.

Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/lib/traceevent/plugin_function.c | 3 +++
1 file changed, 3 insertions(+)

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]);
--
1.7.11.7


\
 
 \ /
  Last update: 2014-01-15 05:01    [W:0.420 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site