linux-kernel - Re: [PATCH 2/6] tracepoint: Check if the probe has been registered

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Date:	Fri, 10 Oct 2008 11:43:25 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 2/6] tracepoint: Check if the probe has been registered

* Ingo Molnar (mingo@...e.hu) wrote:
> 
> * Frederic Weisbecker <fweisbec@...il.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@...il.com>
> > ---
> >  kernel/tracepoint.c |    8 ++++++++
> >  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> applied to tip/tracing/tracepoints, thanks Frederic!
> 
> Mathieu, Steve, any objections/observations?
> 

Looks good to me. Thanks !

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>

Mathieu

> 	Ingo

-- 
Mathieu Desnoyers
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