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 17/17] tools lib traceevent: Unregister handler when xen 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_xen.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c
index e7794298f3a9..a65353f44302 100644
--- a/tools/lib/traceevent/plugin_xen.c
+++ b/tools/lib/traceevent/plugin_xen.c
@@ -128,3 +128,10 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
PEVENT_FUNC_ARG_VOID);
return 0;
}
+
+void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
+{
+ pevent_unregister_print_function(pevent,
+ process_xen_hypercall_name,
+ "xen_hypercall_name");
+}
--
1.7.11.7


\
 
 \ /
  Last update: 2014-01-15 03:21    [W:0.598 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site