netfilter: nf_tables: release new hooks on unsupported flowtable flags

Release the list of new hooks that are pending to be registered in case that unsupported flowtable flags are provided. Fixes: 78d9f48 ("netfilter: nf_tables: add devices to existing flowtable") Signed-off-by: Pablo Neira Ayuso <[email protected]>
ambv · Jun 6, 2022 · c271cc9 · c271cc9
1 parent 2c9e455
commit c271cc9
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
@@ -7433,11 +7433,15 @@ static int nft_flowtable_update(struct nft_ctx *ctx, const struct nlmsghdr *nlh,
 
 	if (nla[NFTA_FLOWTABLE_FLAGS]) {
 		flags = ntohl(nla_get_be32(nla[NFTA_FLOWTABLE_FLAGS]));
-		if (flags & ~NFT_FLOWTABLE_MASK)
-			return -EOPNOTSUPP;
+		if (flags & ~NFT_FLOWTABLE_MASK) {
+			err = -EOPNOTSUPP;
+			goto err_flowtable_update_hook;
+		}
 		if ((flowtable->data.flags & NFT_FLOWTABLE_HW_OFFLOAD) ^
-		    (flags & NFT_FLOWTABLE_HW_OFFLOAD))
-			return -EOPNOTSUPP;
+		    (flags & NFT_FLOWTABLE_HW_OFFLOAD)) {
+			err = -EOPNOTSUPP;
+			goto err_flowtable_update_hook;
+		}
 	} else {
 		flags = flowtable->data.flags;
 	}