Simon Horman says:

====================
Second Round of IPVS Updates for v4.12

please consider these clean-ups and enhancements to IPVS for v4.12.

* Removal unused variable
* Use kzalloc where appropriate
* More efficient detection of presence of NAT extension
====================
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

Conflicts:
	net/netfilter/ipvs/ip_vs_ftp.c