netdev - Re: [PATCH] X.25: decrement netdev reference counts on unload

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Date:	Wed, 08 Dec 2010 10:55:02 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	apollon@....grnet.gr
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] X.25: decrement netdev reference counts on unload

From: Apollon Oikonomopoulos <apollon@....grnet.gr>
Date: Tue, 7 Dec 2010 21:43:30 +0200

> x25 does not decrement the network device reference counts on module unload.
> Thus unregistering any pre-existing interface after unloading the x25 module
> hangs and results in
> 
>  unregister_netdevice: waiting for tap0 to become free. Usage count = 1
> 
> This patch decrements the reference counts of all interfaces in x25_link_free,
> the way it is already done in x25_link_device_down for NETDEV_DOWN events.
> 
> Signed-off-by: Apollon Oikonomopoulos <apollon@....grnet.gr>

Applied and queued up for -stable, thanks.
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