net/netfilter/nf_tables_api.c

2254 	struct nlattr *ha[NFTA_HOOK_MAX + 1];
2261 	err = nla_parse_nested_deprecated(ha, NFTA_HOOK_MAX,
2268 		if (!ha[NFTA_HOOK_HOOKNUM] ||
2269 		    !ha[NFTA_HOOK_PRIORITY]) {
2274 		hook->num = ntohl(nla_get_be32(ha[NFTA_HOOK_HOOKNUM]));
2275 		hook->priority = ntohl(nla_get_be32(ha[NFTA_HOOK_PRIORITY]));
2296 		if (ha[NFTA_HOOK_HOOKNUM]) {
2297 			hook->num = ntohl(nla_get_be32(ha[NFTA_HOOK_HOOKNUM]));
2301 		if (ha[NFTA_HOOK_PRIORITY]) {
2302 			hook->priority = ntohl(nla_get_be32(ha[NFTA_HOOK_PRIORITY]));
2329 		err = nft_chain_parse_netdev(net, ha, &hook->list, extack, flags);
2334 	} else if (ha[NFTA_HOOK_DEV] || ha[NFTA_HOOK_DEVS]) {