Re: [PATCH stable 3.4] intel_idle: Check cpu_idle_get_driver() for NULL before dereferencing it.

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On Tue, Apr 08, 2014 at 01:20:36PM +0200, Daniel Kiper wrote:
> Hey,
> 
> On Tue, Mar 25, 2014 at 11:00:34PM +0100, Daniel Kiper wrote:
> > From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> >
> > From: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
> >
> > Upstream commit: 3735d524da64b70b41c764359da36f88aded3610
> >
> > If the machine is booted without any cpu_idle driver set
> > (b/c disable_cpuidle() has been called) we should follow
> > other users of cpu_idle API and check the return value
> > for NULL before using it.
> >
> > Reported-and-tested-by: Mark van Dijk <mark@xxxxxxxxxxxxxx>
> > Suggested-by: Jan Beulich <JBeulich@xxxxxxxx>
> > Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> 
> Is it possible to make it part 3.4 too?
> Should I fix something to do that?

I'm sorry, but I do not understand the questions, what do you want to do
here?

thanks,

greg k-h
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