linux-kernel - Re: [PATCH 14/17] tools lib traceevent: Unregister handler when cfg80211 plugin unloaded

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140115153442.11b04413@gandalf.local.home>
Date:	Wed, 15 Jan 2014 15:34:42 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>, Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH 14/17] tools lib traceevent: Unregister handler when
 cfg80211 plugin unloaded

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

> The function handler should be unregistered when the plugin unloaded
> otherwise it'll try to access invalid memory.
> 
> Cc: Jiri Olsa <jolsa@...hat.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/