netfilter: nf_tables: constify chain type definitions and pointers
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/net/ipv6/netfilter/nft_chain_nat_ipv6.c b/net/ipv6/netfilter/nft_chain_nat_ipv6.c
index e86dcd7..efd1d57 100644
--- a/net/ipv6/netfilter/nft_chain_nat_ipv6.c
+++ b/net/ipv6/netfilter/nft_chain_nat_ipv6.c
@@ -170,7 +170,7 @@
return ret;
}
-static struct nf_chain_type nft_chain_nat_ipv6 = {
+static const struct nf_chain_type nft_chain_nat_ipv6 = {
.family = NFPROTO_IPV6,
.name = "nat",
.type = NFT_CHAIN_T_NAT,