On Fri, 07 Sep 2007 16:14:12 +0200,
Daniel Lezcano <[email protected]> wrote:
> Hi,
>
> when using the 2.6.23-rc5-git1 kernel and trying to change a network
> device name, I have the following error:
>
> device_rename: sysfs_create_symlink failed (-17)
-EEXIST, maybe a double rename?
>
> That comes from drivers/base/core.c : 1261
This is the link under the class directory to the renamed device.
>
> I know anything about sysfs, so no much help to give... :(
>
> I don't know if this is a bug, but my code use device_rename, check the
> return value and fails. I will ignore it, but it seems not to be a
> correct behavior to have such error.
Why does your code need to call device_rename() itself, I'd have
thought the networking code took care of it? (BTW: Which driver?)
>
> Easy to reproduce:
> load a dummy network driver => dummy0
> change its name with : ip link set name foo0 dev dummy0
[Don't know if ip is sensitive to order, but shouldn't that be
ip link set dev dummy0 name foo0 ?]
You could try to switch on DEBUG_DRIVER and DEBUG_KOBJECT, this may
point to where the double name pops up.
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