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netfilter: nftables: report EOPNOTSUPP on unsupported flowtable flags 

Error was not set accordingly.

Fixes: 8bb69f3b29 ("netfilter: nf_tables: add flowtable offload control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2021-03-17 11:31:55 +01:00
parent 8b2030b430
commit 7e6136f1b7
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/nf_tables_api.c
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@ -6963,8 +6963,10 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
if (nla[NFTA_FLOWTABLE_FLAGS]) {
flowtable->data.flags =
ntohl(nla_get_be32(nla[NFTA_FLOWTABLE_FLAGS]));
if (flowtable->data.flags & ~NFT_FLOWTABLE_MASK)
if (flowtable->data.flags & ~NFT_FLOWTABLE_MASK) {
err = -EOPNOTSUPP;
goto err3;
}
}
write_pnet(&flowtable->data.net, net);