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 10:27:38 +0000 (12:27 +0200)
commit519582e44e6a8ed4a7524d0558e7d1bcd5ad88ed
treeecc1e5931b8620a962dd4d43a708d9cc8caa8eb5
parent3a7a4cee7bec00aa625d2db9369612ecc8c9a010
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