On Tue, 2016-10-25 at 20:28 -0400, Willem de Bruijn wrote: > From: Willem de Bruijn <will...@google.com> > > When transmitting on a packet socket with PACKET_VNET_HDR and > PACKET_QDISC_BYPASS, validate device support for features requested > in vnet_hdr.
You probably need to add an EXPORT_SYMBOL(validate_xmit_skb_list) because af_packet might be modular. Sorry for not catching this earlier.