netfilter: nft_nat: allow to specify layer 4 protocol NAT only
authorPablo Neira Ayuso <pablo@netfilter.org>
Tue, 20 Jul 2021 16:22:50 +0000 (18:22 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 4 Aug 2021 10:23:46 +0000 (12:23 +0200)
commit1cb5995a39eb3dc97a7539d00d2c82be030e0bb8
treeb6d5ebc88e083beb712edae0cdc424f5607e366e
parent512fd52e2091560de66da26799b3f1ca7ca1d41b
netfilter: nft_nat: allow to specify layer 4 protocol NAT only

[ Upstream commit a33f387ecd5aafae514095c2c4a8c24f7aea7e8b ]

nft_nat reports a bogus EAFNOSUPPORT if no layer 3 information is specified.

Fixes: d07db9884a5f ("netfilter: nf_tables: introduce nft_validate_register_load()")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/netfilter/nft_nat.c