linux-kernel - Re: [PATCH] ipconfig: handle case of delayed DHCP server

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Message-Id: <20090517.203953.162821389.davem@davemloft.net>
Date:	Sun, 17 May 2009 20:39:53 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	cfriesen@...tel.com
Cc:	ebiederm@...ssion.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] ipconfig: handle case of delayed DHCP server

From: "Chris Friesen" <cfriesen@...tel.com>
Date: Mon, 11 May 2009 11:44:45 -0600

> If a DHCP server is delayed, it's possible for the client to receive the 
> DHCPOFFER after it has already sent out a new DHCPDISCOVER message from 
> a second interface.  The client then sends out a DHCPREQUEST from the 
> second interface, but the server doesn't recognize the device and 
> rejects the request.
> 
> This patch simply tracks the current device being configured and throws 
> away the OFFER if it is not intended for the current device.  A more 
> sophisticated approach would be to put the OFFER information into the 
> struct ic_device rather than storing it globally.
> 
> Signed-off-by: Chris Friesen <cfriesen@...tel.com>

Applied, thanks Chris.
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