Re: [PATCH 14/17] tools lib traceevent: Unregister handler whencfg80211 plugin unloaded

From: Steven Rostedt
Date: Wed Jan 15 2014 - 15:34:52 EST


On Wed, 15 Jan 2014 10:45:37 +0900
Namhyung Kim <namhyung@xxxxxxxxxx> wrote:

> The function handler should be unregistered when the plugin unloaded
> otherwise it'll try to access invalid memory.
>
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> ---
> tools/lib/traceevent/plugin_cfg80211.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c
> index dcab8e873c21..7b07d149557b 100644
> --- a/tools/lib/traceevent/plugin_cfg80211.c
> +++ b/tools/lib/traceevent/plugin_cfg80211.c
> @@ -22,3 +22,10 @@ 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___le16_to_cpup,
> + "__le16_to_cpup");
> +}

Can we format this a little nicer:

pevent_unregister_print_function(pevent, process___le16_to_cpup,
"__le16_to_cpup");

I know the register had that separated, but that's because it had args
too, and it made it look nicer. But this don't work here. It looks odd.

-- Steve
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