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Commit 519582e4 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso Committed by Greg Kroah-Hartman
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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: d07db988 ("netfilter: nf_tables: introduce nft_validate_register_load()")
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 3a7a4cee

net/netfilter/nft_nat.c

+3 −1
Original line number Diff line number Diff line
@@ -147,7 +147,9 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, 
		alen = FIELD_SIZEOF(struct nf_nat_range, min_addr.ip6);

		break;

	default:

		if (tb[NFTA_NAT_REG_ADDR_MIN])

			return -EAFNOSUPPORT;

		break;

	}

	priv->family = family;