From: Jiri Benc <jb...@redhat.com>
Date: Thu, 28 Feb 2019 14:56:04 +0100
> When IPv6 is compiled but disabled at runtime, geneve_sock_add returns
> -EAFNOSUPPORT. For metadata based tunnels, this causes failure of the whole
> operation of bringing up the tunnel.
>
> Ignore failure of IPv6 socket creation for metadata based tunnels caused by
> IPv6 not being available.
>
> This is the same fix as what commit d074bf960044 ("vxlan: correctly handle
> ipv6.disable module parameter") is doing for vxlan.
>
> Note there's also commit c0a47e44c098 ("geneve: should not call rt6_lookup()
> when ipv6 was disabled") which fixes a similar issue but for regular
> tunnels, while this patch is needed for metadata based tunnels.
>
> Signed-off-by: Jiri Benc <jb...@redhat.com>
Applied and queued up for -stable, thanks Jiri.
