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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-07-20 18:22:50 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-07-23 14:18:03 +0200 |
| commit | a33f387ecd5aafae514095c2c4a8c24f7aea7e8b (patch) | |
| tree | 5386a3a627ccd1d4cef245c2c577c8fc2149150c | |
| parent | 30a56a2b881821625f79837d4d968c679852444e (diff) | |
| download | linux-a33f387ecd5aafae514095c2c4a8c24f7aea7e8b.tar.bz2 | |
netfilter: nft_nat: allow to specify layer 4 protocol NAT only
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>
| -rw-r--r-- | net/netfilter/nft_nat.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index 0840c635b752..be1595d6979d 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -201,7 +201,9 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, alen = sizeof_field(struct nf_nat_range, min_addr.ip6); break; default: - return -EAFNOSUPPORT; + if (tb[NFTA_NAT_REG_ADDR_MIN]) + return -EAFNOSUPPORT; + break; } priv->family = family; |