Merge branch 'IP-listification-follow-ups'

Edward Cree says:

====================
IP listification follow-ups

While working on IPv6 list processing, I found another bug in the IPv4
 version.  So this patch series has that fix, and the IPv6 version with
 both fixes incorporated.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>