return 0;
 }
 
-static struct xfrm_state *__xfrm_state_lookup(struct net *net, u32 mark, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family)
+static struct xfrm_state *__xfrm_state_lookup(struct net *net, u32 mark,
+                                             const xfrm_address_t *daddr,
+                                             __be32 spi, u8 proto,
+                                             unsigned short family)
 {
        unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family);
        struct xfrm_state *x;
        return NULL;
 }
 
-static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, u32 mark, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family)
+static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, u32 mark,
+                                                    const xfrm_address_t *daddr,
+                                                    const xfrm_address_t *saddr,
+                                                    u8 proto, unsigned short family)
 {
        unsigned int h = xfrm_src_hash(net, daddr, saddr, family);
        struct xfrm_state *x;