netdev - Re: [PATCH 1/2] fec: fix recursive locking of mii

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Date:	Wed, 02 Sep 2009 23:17:01 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	gerg@...pgear.com
Cc:	u.kleine-koenig@...gutronix.de, linux-rt-users@...r.kernel.org,
	ben@...adent.org.uk, kaber@...sh.net, s.hauer@...gutronix.de,
	Matt.Waddel@...escale.com, netdev@...r.kernel.org,
	tim01@...i.informatik.tu-darmstadt.de
Subject: Re: [PATCH 1/2] fec: fix recursive locking of mii_lock

From: Greg Ungerer <gerg@...pgear.com>
Date: Thu, 03 Sep 2009 11:16:16 +1000

> Hi Uwe,
> 
> Uwe Kleine-König wrote:
>> mii_discover_phy is only called by fec_enet_mii (via mip->mii_func).
>> So
>> &fep->mii_lock is already held and mii_discover_phy must not call
>> mii_queue which locks &fep->mii_lock, too.
>> This was noticed by lockdep:
 ...
>> 	...
>> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
>> Cc: Greg Ungerer <gerg@...inux.org>
> 
> Looks good too.
> 
> Acked-by: Greg Ungerer <gerg@...inux.org>

Applied to net-next-2.6
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