[PATCH 5.11 166/254] netfilter: nftables: report EOPNOTSUPP on unsupported flowtable flags

[Greg Kroah-Hartman]

From: Pablo Neira Ayuso <pa...@netfilter.org>

[ Upstream commit 7e6136f1b7272b2202817cff37ada355eb5e6784 ]

Error was not set accordingly.

Fixes: 8bb69f3b2918 ("netfilter: nf_tables: add flowtable offload control 
plane")
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 net/netfilter/nf_tables_api.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 8ee9f40cc0ea..2aae0df0d70d 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6929,8 +6929,10 @@ 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);
-- 
2.30.1