Re: [PATCH 09/12] tools lib traceevent: Unregister handler whencfg80211 plugin unloaded

From: Steven Rostedt
Date: Wed Jan 15 2014 - 22:24:29 EST


On Thu, 16 Jan 2014 11:31:15 +0900
Namhyung Kim <namhyung@xxxxxxxxxx> wrote:

> 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>

You can add my Acked-by to patches 9-12 too.

-- Steve

> ---
> 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");
> +}

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