ipvs: use IPVS_CMD_ATTR_MAX for family.maxattr

family.maxattr is the max index for policy[], the size of
ops[] is determined with ARRAY_SIZE().

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Git-commit: 8fbfef7f505bba60fb57078b7621270ee57cd1c4
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Change-Id: I4a8cff16935c6b7edb3f4fa86faddd8258b0ef57
CRs-Fixed: 2236015
Signed-off-by: Jeff Johnson <jjohnson@codeaurora.org>