[PATCH 09/12] tools lib traceevent: Unregister handler when cfg80211 plugin unloaded

From: Namhyung Kim
Date: Wed Jan 15 2014 - 21:31:39 EST


The function handler should be unregistered when the plugin unloaded
otherwise it'll try to access invalid memory.

Reviewed-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/lib/traceevent/plugin_cfg80211.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c
index 57e98221db20..c066b25905f8 100644
--- a/tools/lib/traceevent/plugin_cfg80211.c
+++ b/tools/lib/traceevent/plugin_cfg80211.c
@@ -22,3 +22,9 @@ 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___le16_to_cpup,
+ "__le16_to_cpup");
+}
--
1.7.11.7

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