From: Stephen Hemminger <shemminger@vyatta.com>
Date: Wed, 14 May 2008 18:16:03 -0700

quoted text
> It is possible that the entry in sysfs already exists, one case of this is
> when a network device is renamed to bonding_masters. Anyway, in this case
> the proper error path is for device_rename to return an error code, not to
> generate bogus backtrace and errors.
> 
> Also, to avoid possible races, the create link should be done before the
> remove link. This makes a device rename atomic operation like other renames.
> 
> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>

Applied.
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