aFrom: Willem de Bruijn <willemdebruijn.ker...@gmail.com>
Date: Tue, 26 Sep 2017 12:20:17 -0400
> From: Willem de Bruijn <will...@google.com>
>
> Packet socket option po->has_vnet_hdr can be updated concurrently with
> other operations if no ring is attached.
>
> Do not test the option twice in packet_snd, as the value may change in
> between calls. A race on setsockopt disable may cause a packet > mtu
> to be sent without having GSO options set.
>
> Fixes: bfd5f4a3d605 ("packet: Add GSO/csum offload support.")
> Signed-off-by: Willem de Bruijn <will...@google.com>
> Reviewed-by: Eric Dumazet <eduma...@google.com>
Applied and queued up for -stable.
