netdev - Re: [RFC] af-packet: Save reference to bound network device.

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Message-Id: <20110525.184237.257757281453830698.davem@davemloft.net>
Date:	Wed, 25 May 2011 18:42:37 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	greearb@...delatech.com
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC] af-packet: Save reference to bound network device.

From: Ben Greear <greearb@...delatech.com>
Date: Wed, 25 May 2011 15:36:55 -0700

> I can't see where the code holds any reference to prot_hook.dev.
> (It just assigns the pointer and then does a dev_put()).
> 
> Maybe it gets away with it because a NETDEV_UNREGISTER event
> is always sent?

I think that is precisely the property it is depending upon.

It may seem sketchy, but as far as I can tell it's completely
legal.
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