handle this directly, its only used by ipv6.

Signed-off-by: Florian Westphal <f...@strlen.de>
---
 include/net/xfrm.h      |  3 ---
 net/ipv4/xfrm4_policy.c |  7 -------
 net/ipv6/xfrm6_policy.c | 14 --------------
 net/xfrm/xfrm_policy.c  | 21 +++++++--------------
 4 files changed, 7 insertions(+), 38 deletions(-)

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 652da5861772..b8de1622141a 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -329,9 +329,6 @@ struct xfrm_policy_afinfo {
        void                    (*decode_session)(struct sk_buff *skb,
                                                  struct flowi *fl,
                                                  int reverse);
-       int                     (*init_path)(struct xfrm_dst *path,
-                                            struct dst_entry *dst,
-                                            int nfheader_len);
        int                     (*fill_dst)(struct xfrm_dst *xdst,
                                            struct net_device *dev,
                                            const struct flowi *fl);
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 244d26baa3af..6e89378668ae 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -69,12 +69,6 @@ static int xfrm4_get_saddr(struct net *net, int oif,
        return 0;
 }
 
-static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
-                          int nfheader_len)
-{
-       return 0;
-}
-
 static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
                          const struct flowi *fl)
 {
@@ -267,7 +261,6 @@ static const struct xfrm_policy_afinfo xfrm4_policy_afinfo 
= {
        .dst_lookup =           xfrm4_dst_lookup,
        .get_saddr =            xfrm4_get_saddr,
        .decode_session =       _decode_session4,
-       .init_path =            xfrm4_init_path,
        .fill_dst =             xfrm4_fill_dst,
        .blackhole_route =      ipv4_blackhole_route,
 };
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 0e92fa2f9678..358e834fedce 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -71,19 +71,6 @@ static int xfrm6_get_saddr(struct net *net, int oif,
        return 0;
 }
 
-static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
-                          int nfheader_len)
-{
-       if (dst->ops->family == AF_INET6) {
-               struct rt6_info *rt = (struct rt6_info *)dst;
-               path->path_cookie = rt6_get_cookie(rt);
-       }
-
-       path->u.rt6.rt6i_nfheader_len = nfheader_len;
-
-       return 0;
-}
-
 static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
                          const struct flowi *fl)
 {
@@ -287,7 +274,6 @@ static const struct xfrm_policy_afinfo xfrm6_policy_afinfo 
= {
        .dst_lookup =           xfrm6_dst_lookup,
        .get_saddr =            xfrm6_get_saddr,
        .decode_session =       _decode_session6,
-       .init_path =            xfrm6_init_path,
        .fill_dst =             xfrm6_fill_dst,
        .blackhole_route =      ip6_blackhole_route,
 };
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 1d1335eab76c..5359c312f016 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2491,21 +2491,14 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct 
net *net, int family)
        return xdst;
 }
 
-static inline int xfrm_init_path(struct xfrm_dst *path, struct dst_entry *dst,
-                                int nfheader_len)
+static void xfrm_init_path(struct xfrm_dst *path, struct dst_entry *dst,
+                          int nfheader_len)
 {
-       const struct xfrm_policy_afinfo *afinfo =
-               xfrm_policy_get_afinfo(dst->ops->family);
-       int err;
-
-       if (!afinfo)
-               return -EINVAL;
-
-       err = afinfo->init_path(path, dst, nfheader_len);
-
-       rcu_read_unlock();
-
-       return err;
+       if (dst->ops->family == AF_INET6) {
+               struct rt6_info *rt = (struct rt6_info *)dst;
+               path->path_cookie = rt6_get_cookie(rt);
+               path->u.rt6.rt6i_nfheader_len = nfheader_len;
+       }
 }
 
 static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
-- 
2.21.0

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