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Re: iwlwifi: regression due to: allow different csr flags for different device families

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On Sun, 2018-05-27 at 14:08 +0200, Alexander Wetzel wrote:
> > From: Golan Ben Ami <golan.ben.ami@xxxxxxxxx>
> > 
> > Different device families may have different flag values
> > for passing a message to the fw (i.e. SW_RESET).
> > In order to keep the code readable, and avoid conditioning
> > upon the family, store a value for each flag, which indicates
> > the bit that needs to be enabled.
> > 
> > Signed-off-by: Golan Ben Ami <golan.ben.ami@xxxxxxxxx>
> > Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
> 
> This patch generates a Null pointer exception for my Ultimate-N 6300
> card when loading the driver, making the card unusable.
> (Bisecting linked it to commit
> a8cbb46f831d2c101feccdd0e0daf3627b8c1dca.)
> 
> Sine the commit could not be simply reverted I applied this commit to
> my
> distribution kernel - basically 4.16.12 - and can confirm it is
> indeed
> causing the issue.

It seems that I forgot to reply to this, even though we looked into it
and provided a fix[1].  This fix will hopefully be included in 4.17
final.

Thanks a lot for reporting and bisecting!

[1] https://patchwork.kernel.org/patch/10437773/

--
Cheers,
Luca.



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