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From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
To: Pavel Roskin <proski@gnu.org>
Cc: "Luis R. Rodriguez" <lrodriguez@atheros.com>,
	"ath5k-devel@lists.ath5k.org" <ath5k-devel@lists.ath5k.org>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: [ath5k-devel] BUG in wiphy_update_regulatory when loading ath5k (on latest git)
Date: Fri, 10 Apr 2009 21:30:28 +0100	[thread overview]
Message-ID: <49DFAC64.5050208@tuffmail.co.uk> (raw)
In-Reply-To: <1239394864.3673.2.camel@mj>

Pavel Roskin wrote:
> On Fri, 2009-04-10 at 11:11 -0700, Luis R. Rodriguez wrote:
>
>   
>> Thanks pavel, please try this patch:
>>     
>
> I checked ath5k, ath9k and b43, and in all cases last_request is
> initialized before it's used by the code changed in your patch.  In
> fact, last_request is initialized before there is any message from ath5k
> or another driver.
>
> I wonder if "module: create a request_module_nowait()" reverted in
> wireless-testing was causing the initialization to go in a different
> order.  I tried reapplying it and still could not reproduce the problem
> (that is, last_request is not NULL in wiphy_update_regulatory).  But
> maybe I'm just lucky.
>
> Anyway, your patch makes the code safer and doesn't break anything for
> me.
>   

I see.  That would explain why it's not deterministic.

I've done 5 or so test runs with the patch applied, and I haven't had
any more BUGs.  Thanks for the quick response!

Alan

  reply	other threads:[~2009-04-10 20:30 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <49DF6216.8040303@tuffmail.co.uk>
2009-04-10 16:18 ` BUG in wiphy_update_regulatory when loading ath5k (on latest git) Alan Jenkins
2009-04-10 17:15   ` [ath5k-devel] " Luis R. Rodriguez
2009-04-10 17:45   ` Pavel Roskin
2009-04-10 18:11     ` Luis R. Rodriguez
2009-04-10 20:21       ` Pavel Roskin
2009-04-10 20:30         ` Alan Jenkins [this message]
2009-04-10 22:26           ` Luis R. Rodriguez

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