[PATCH 2/2] ar6k: unregister netdev only when it's really registered

[Werner Almesberger]

Samuel Ortiz wrote:
> Whenever our ar6k chip can not be identified, we are trying to unregister
> our netdevice although it was never registered.
> This patch fixes this bug.

Ah, "my" bug :-) Applied, minus "redristribute". Revision 3930.

Thanks,
- Werner