Re: [PATCH][RESEND] tracepoint: Check if the probe has beenregistered

[Ingo Molnar]

* 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>
> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
> Acked-by: Steven Rostedt <srostedt@xxxxxxxxxx>
> ---
>  kernel/tracepoint.c |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)

applied to tip/tracing/urgent, thanks Frederic!

	Ingo
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