!1731 [sync] PR-1713: netfilter: nf_tables: disallow rule addition to bound...

!1731 [sync] PR-1713:  netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/1713 
 
PR sync from: Lu Wei <luwei32@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/SGMAG5EQTBM4R4SFB5KR5GIRFLPCZIQP/ 
 
https://gitee.com/src-openeuler/kernel/issues/I7QG0U 
 
Link:https://gitee.com/openeuler/kernel/pulls/1731 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com> 
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com> 

net/netfilter/nf_tables_api.c

@@ -3253,8 +3253,6 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
 			NL_SET_BAD_ATTR(extack, nla[NFTA_RULE_CHAIN]);
 			return PTR_ERR(chain);
 		}
-		if (nft_chain_is_bound(chain))
-			return -EOPNOTSUPP;
 
 	} else if (nla[NFTA_RULE_CHAIN_ID]) {
 		chain = nft_chain_lookup_byid(net, table, nla[NFTA_RULE_CHAIN_ID],
@@ -3267,6 +3265,9 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
 		return -EINVAL;
 	}
 
+	if (nft_chain_is_bound(chain))
+		return -EOPNOTSUPP;
+
 	if (nla[NFTA_RULE_HANDLE]) {
 		handle = be64_to_cpu(nla_get_be64(nla[NFTA_RULE_HANDLE]));
 		rule = __nft_rule_lookup(chain, handle);