[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, 9 insertions, 9 deletions

diff --git a/include/net/netfilter/nf_nat_protocol.h b/include/net/netfilter/nf_nat_protocol.h
index 04578bfe23e1..4aa0edbb5b96 100644
--- a/include/net/netfilter/nf_nat_protocol.h
+++ b/include/net/netfilter/nf_nat_protocol.h
@@ -46,21 +46,21 @@ struct nf_nat_protocol
 };
 
 /* Protocol registration. */
-extern int nf_nat_protocol_register(struct nf_nat_protocol *proto);
-extern void nf_nat_protocol_unregister(struct nf_nat_protocol *proto);
+extern int nf_nat_protocol_register(const struct nf_nat_protocol *proto);
+extern void nf_nat_protocol_unregister(const struct nf_nat_protocol *proto);
 
-extern struct nf_nat_protocol *nf_nat_proto_find_get(u_int8_t protocol);
-extern void nf_nat_proto_put(struct nf_nat_protocol *proto);
+extern const struct nf_nat_protocol *nf_nat_proto_find_get(u_int8_t protocol);
+extern void nf_nat_proto_put(const struct nf_nat_protocol *proto);
 
 /* Built-in protocols. */
-extern struct nf_nat_protocol nf_nat_protocol_tcp;
-extern struct nf_nat_protocol nf_nat_protocol_udp;
-extern struct nf_nat_protocol nf_nat_protocol_icmp;
-extern struct nf_nat_protocol nf_nat_unknown_protocol;
+extern const struct nf_nat_protocol nf_nat_protocol_tcp;
+extern const struct nf_nat_protocol nf_nat_protocol_udp;
+extern const struct nf_nat_protocol nf_nat_protocol_icmp;
+extern const struct nf_nat_protocol nf_nat_unknown_protocol;
 
 extern int init_protocols(void) __init;
 extern void cleanup_protocols(void);
-extern struct nf_nat_protocol *find_nat_proto(u_int16_t protonum);
+extern const struct nf_nat_protocol *find_nat_proto(u_int16_t protonum);
 
 extern int nf_nat_port_range_to_nlattr(struct sk_buff *skb,
                                        const struct nf_nat_range *range);