On 2014-05-07 21:54, John W. Linville wrote: > On Wed, May 07, 2014 at 09:22:58AM +0200, David Herrmann wrote: >> ah->caldata may be NULL if no channel is selected. Check for that before >> accessing it. >> >> Signed-off-by: David Herrmann <dh.herrm...@gmail.com> >> --- >> Hi >> >> This is _definitely_ only a workaround, given that no-one guarantees >> ah->caldata >> is freed while we run in hw_per_calibration(). However, this patch fixes >> serious >> kernel panics with wifi-P2P on my machine. >> >> I'm not sure why ah->caldata can be NULL, but it definitely is. I think the >> correct fix would be to synchronously stop any running hw-calibration before >> setting ah->caldata to NULL. I don't know whether/where that is done, so I >> wrote >> this small workaround. >> >> Thanks >> David > > Is there any hope for getting a more complete fix from the ath9k guys > in short order? This looks easy to fix. I'll send a patch soon.
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