netfilter: nf_tables: fix wrong format in request_module()

The intended format in request_module is %.*s instead of %*.s.
Reported-by: NFlorian Westphal <fw@strlen.de>
Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/nf_tables_api.c

@@ -152,8 +152,8 @@ nf_tables_chain_type_lookup(const struct nft_af_info *afi,
 #ifdef CONFIG_MODULES
 	if (autoload) {
 		nfnl_unlock(NFNL_SUBSYS_NFTABLES);
-		request_module("nft-chain-%u-%*.s", afi->family,
-			       nla_len(nla)-1, (const char *)nla_data(nla));
+		request_module("nft-chain-%u-%.*s", afi->family,
+			       nla_len(nla), (const char *)nla_data(nla));
 		nfnl_lock(NFNL_SUBSYS_NFTABLES);
 		type = __nf_tables_chain_type_lookup(afi->family, nla);
 		if (type != NULL)