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Re: iwlwifi: fix kernel crash when unregistering thermal zone

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(resending, sorry for the HTML version my phone decided to use for this)

On Jan 21, 2017 09:56, Kalle Valo <kvalo@xxxxxxxxxxxxxx> wrote:
Jens Axboe <axboe@xxxxxxxxx> writes: 
> > A recent firmware change seems to have enabled thermal zones on the 
> > iwlwifi driver. Unfortunately, my device fails when registering the 
> > thermal zone. This doesn't stop the driver from attempting to unregister 
> > the thermal zone at unload time, triggering a NULL pointer deference in 
> > strlen() off the thermal_zone_device_unregister() path. 
> > 
> > Don't unregister if name is NULL, for that case we failed registering. 
> > Do the same for the cooling zone. 
> > 
> > Signed-off-by: Jens Axboe <axboe@xxxxxx> 
> > 
> > --- 
> > 
> > Would be great if this could go into the current series, as sometimes I 
> > have to reload the driver. Right now I can't, since it crashes... 
> 
> Luca, can I take this directly to wireless-drivers? This is an important 
> fix and we should get it to Linus' tree ASAP.

Yes, please go ahead and take it directly.

Acked-by: Luca Coelho <luciano.coelho@xxxxxxxxx>

Thanks!

--
Cheers,
Luca.




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