[RFC] [NET] libertas: fix ethtool -S

[Sebastian Siewior]

* Dan Williams | 2008-03-05 13:13:19 [-0500]:

>Anything having to do with mesh should probably be protected by if
>(priv->mesh_dev) or whatever it is.  If there's no mesh-enabled
>firmware, there's no way this call can possibly work :)
Argh, so this would explain why it doesn't work.
What do you recommend besides grabbing the lock:
- memset that memory area in error case.
- check if mesh is supported by the firmware and if it not, return
  -ENOSUPP in lbs_ethtool_get_sset_count()

>Dan
>
Sebastian
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