From: Stephen Hemminger <step...@networkplumber.org>
Date: Wed, 23 May 2018 18:02:00 -0700
> If the guest network adapter is not configured with DeviceNaming
> enabled on the host, then the query for friendly name will return
> success but with a zero length name. Which then leads to a garbage value
> (stack contents) for ifalias.
>
> Fix is simple, just don't set name if host doesn't return it.
>
> Fixes: 0fe554a46a0f ("hv_netvsc: propogate Hyper-V friendly name into
> interface alias")
> Signed-off-by: Stephen Hemminger <sthem...@microsoft.com>
Applied.
