From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 2/2] ipv6: don't deliver packets with zero length to
 raw sockets
Date: Fri, 21 Apr 2017 10:53:32 -0400 (EDT)
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From: Jamie Bainbridge <jbainbri@redhat.com>
Date: Fri, 21 Apr 2017 21:18:00 +1000

> I cannot see the use in delivering a skb with zero bytes after the
> network header to a raw socket.

Then it cannot be used to look at zero length UDP packets, which are
completely legal and used.

So we must deliver it.