netdev - Re: [PATCH net] Phonet: ensure GPRS device does not go away during TX work

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Date:	Wed, 10 Dec 2008 15:28:45 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	remi.denis-courmont@...ia.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] Phonet: ensure GPRS device does not go away during
 TX work

From: Rémi Denis-Courmont <remi.denis-courmont@...ia.com>
Date: Wed, 10 Dec 2008 15:15:28 +0200

> We need to hold the device while TX work is pending, as work is flushed
> only after the network device is unregistered.
> 
> Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@...ia.com>

This seems unnecessary.

If you simply create proper ->open and ->stop methods for the GPRS net
device you can purge the TX queue in ->stop() and avoid this
refcounting business.
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