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

From: Mathieu Desnoyers
Date: Fri Oct 10 2008 - 11:43:35 EST


* Ingo Molnar (mingo@xxxxxxx) wrote:
>
> * Frederic Weisbecker <fweisbec@xxxxxxxxx> 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@xxxxxxxxx>
> > ---
> > 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@xxxxxxxxxx>

Mathieu

> Ingo

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Mathieu Desnoyers
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