Signed-off-by: David S. Miller <davem@davemloft.net>
        void                    (*decode_session)(struct sk_buff *skb,
                                                  struct flowi *fl,
                                                  int reverse);
-       int                     (*get_tos)(struct flowi *fl);
+       int                     (*get_tos)(const struct flowi *fl);
        int                     (*init_path)(struct xfrm_dst *path,
                                             struct dst_entry *dst,
                                             int nfheader_len);
 
        return 0;
 }
 
-static int xfrm4_get_tos(struct flowi *fl)
+static int xfrm4_get_tos(const struct flowi *fl)
 {
        return IPTOS_RT_MASK & fl->fl4_tos; /* Strip ECN bits */
 }
 
        return 0;
 }
 
-static int xfrm6_get_tos(struct flowi *fl)
+static int xfrm6_get_tos(const struct flowi *fl)
 {
        return 0;
 }
 
  * still valid.
  */
 
-static inline int xfrm_get_tos(struct flowi *fl, int family)
+static inline int xfrm_get_tos(const struct flowi *fl, int family)
 {
        struct xfrm_policy_afinfo *afinfo = xfrm_policy_get_afinfo(family);
        int tos;