From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Linux-Kernel <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH 2/6] tracepoint: Check if the probe has been registered
Date: Fri, 10 Oct 2008 16:00:23 +0200 [thread overview]
Message-ID: <20081010140023.GA13137@elte.hu> (raw)
In-Reply-To: <20081010111631.78545D1BDA2@perso1.free.fr>
* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> If we try to remove a probe that has not been already registered, the
> tracepoint_entry_remove_probe() function will dereference a NULL
> pointer. Check the probe before removing it to avoid crashes.
>
> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
> ---
> kernel/tracepoint.c | 8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
applied to tip/tracing/tracepoints, thanks Frederic!
Mathieu, Steve, any objections/observations?
Ingo
next prev parent reply other threads:[~2008-10-10 14:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-10 13:16 [PATCH 2/6] tracepoint: Check if the probe has been registered Frederic Weisbecker
2008-10-10 14:00 ` Ingo Molnar [this message]
2008-10-10 15:43 ` Mathieu Desnoyers
2008-10-10 16:53 ` Steven Rostedt
2008-10-10 16:55 ` Steven Rostedt
2008-10-13 9:43 ` Frédéric Weisbecker
2008-10-27 16:10 ` Ingo Molnar
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