netdev - Re: [PATCH 4/4] bridge: update sysfs link names if port device names have changed

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Message-Id: <20100515.231229.186295968.davem@davemloft.net>
Date:	Sat, 15 May 2010 23:12:29 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org,
	simon@...e.lp0.eu
Subject: Re: [PATCH 4/4] bridge: update sysfs link names if port device
 names have changed

From: Stephen Hemminger <shemminger@...tta.com>
Date: Mon, 10 May 2010 12:31:11 -0700

> From: Simon Arlott <simon@...e.lp0.eu>
> 
> Links for each port are created in sysfs using the device
> name, but this could be changed after being added to the
> bridge.
> 
> As well as being unable to remove interfaces after this
> occurs (because userspace tools don't recognise the new
> name, and the kernel won't recognise the old name), adding
> another interface with the old name to the bridge will
> cause an error trying to create the sysfs link.
> 
> This fixes the problem by listening for NETDEV_CHANGENAME
> notifications and renaming the link.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=12743
> 
> Signed-off-by: Simon Arlott <simon@...e.lp0.eu>
> Acked-by: Stephen Hemminger <shemminger@...tta.com>

Applied.
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