[NETFILTER]: nf_nat: mark NAT protocols const

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 75012585efe..7851065ef20 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -695,7 +695,7 @@ static int nfnetlink_parse_nat_proto(struct nlattr *attr,
                                      struct nf_nat_range *range)
 {
         struct nlattr *tb[CTA_PROTONAT_MAX+1];
-        struct nf_nat_protocol *npt;
+        const struct nf_nat_protocol *npt;
         int err;
 
         err = nla_parse_nested(tb, CTA_PROTONAT_MAX, attr, protonat_nla_policy);