netdev - Re: [PATCH] ueagle-atm: fix PHY signal initialization race

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Message-Id: <20101228.134201.189717347.davem@davemloft.net>
Date:	Tue, 28 Dec 2010 13:42:01 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	dcbw@...hat.com
Cc:	netdev@...r.kernel.org, duncan.sands@...e.fr,
	linux-usb@...r.kernel.org, hicham.haouari@...il.com
Subject: Re: [PATCH] ueagle-atm: fix PHY signal initialization race

From: Dan Williams <dcbw@...hat.com>
Date: Sun, 19 Dec 2010 12:17:50 -0600

> A race exists when initializing ueagle-atm devices where the generic atm
> device may not yet be created before the driver attempts to initialize
> it's PHY signal state, which checks whether the atm device has been
> created or not.  This often causes the sysfs 'carrier' attribute to be
> '1' even though no signal has actually been found.
> 
> uea_probe
>    usbatm_usb_probe
>       driver->bind (uea_bind)
>          uea_boot
>             kthread_run(uea_kthread)     uea_kthread
>       usbatm_atm_init                       uea_start_reset
>          atm_dev_register                      UPDATE_ATM_SIGNAL
 ...
> Signed-off-by: Dan Williams <dcbw@...hat.com>

Applied, thanks Dan.
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