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netfilter: nat: remove unnecessary 'else if' branch 

Since a pseudo-random starting point is used in finding a port in
the default case, that 'else if' branch above is no longer a necessity.
So remove it to simplify code.

Signed-off-by: Xiaozhou Liu <liuxiaozhou@bytedance.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Xiaozhou Liu 2018-12-05 23:50:15 +08:00 committed by Pablo Neira Ayuso
parent 00ec3ab060
commit b635cbf68f
1 changed files with 0 additions and 2 deletions
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2
net/netfilter/nf_nat_proto_common.c
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@ -80,8 +80,6 @@ void nf_nat_l4proto_unique_tuple(const struct nf_nat_l3proto *l3proto,
off = l3proto->secure_port(tuple, maniptype == NF_NAT_MANIP_SRC
? tuple->dst.u.all
: tuple->src.u.all);
} else if (range->flags & NF_NAT_RANGE_PROTO_RANDOM_FULLY) {
off = prandom_u32();
} else if (range->flags & NF_NAT_RANGE_PROTO_OFFSET) {
off = (ntohs(*portptr) - ntohs(range->base_proto.all));
} else {