Subject: Re: 3.0: iwlagn: BUG: unable to handle kernel NULL pointer
 dereference at 0000000000000004
From: "Guy, Wey-Yi" <wey-yi.w.guy@intel.com>
To: Ming Lei <tom.leiming@gmail.com>
Cc: "linville@tuxdriver.com" <linville@tuxdriver.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
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	 <1311341808.5579.51.camel@wwguy-huron>
	 <CACVXFVMC3db=d+DSW1uSmQCGdSZThJfDj-QSyp8QS5B1OMP47A@mail.gmail.com>
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Date: Fri, 22 Jul 2011 19:46:34 -0700
Message-ID: <1311389194.5579.117.camel@wwguy-huron> (sfid-20110723_052303_674935_2F2AC607)
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Sender: linux-wireless-owner@vger.kernel.org

On Fri, 2011-07-22 at 20:08 -0700, Ming Lei wrote:
> Hi,
> 
> On Fri, Jul 22, 2011 at 9:36 PM, Guy, Wey-Yi <wey-yi.w.guy@intel.com> wrote:
> > Hi Lei,
> >
> > On Fri, 2011-07-22 at 03:54 -0700, Ming Lei wrote:
> >> Hi,
> >>
> >> The bug is triggered after I run 'pm-suspend' to do system sleep.
> >>
> >> See attachment.
> >
> > Could you try this patch in mac80211 from wireless-next-2.6 tree
> >
> >
> > commit 94f9b97be5b3bf67392e43fb7f567721b09142c2
> > Author: Johannes Berg <johannes.berg@intel.com>
> > Date:   Thu Jul 14 16:48:54 2011 +0200
> >
> >    mac80211: be more careful in suspend/resume
> 
> Yes, this patch does fix the bug.

Thank you for reporting and happy to see the patch fix the problem for
you

Wey