[PATCH net-next 4/7] net/ipv6: Move ndisc_hashfn to ndisc_hash

[David Ahern <dsahern@kernel.org>]

From: David Ahern <dsahern@gmail.com>

There are no more direct references to ndisc_hashfn so fold it into
ndisc_hash, the hash callback for ndisc.

Signed-off-by: David Ahern <dsahern@gmail.com>
---
 include/net/ndisc.h | 10 ----------
 net/ipv6/ndisc.c    |  7 ++++++-
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index c354345c679b..83a84f68901b 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -364,16 +364,6 @@ static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,
 				     ndisc_addr_option_pad(dev->type));
 }
 
-static inline u32 ndisc_hashfn(const void *pkey, const struct net_device *dev, __u32 *hash_rnd)
-{
-	const u32 *p32 = pkey;
-
-	return (((p32[0] ^ hash32_ptr(dev)) * hash_rnd[0]) +
-		(p32[1] * hash_rnd[1]) +
-		(p32[2] * hash_rnd[2]) +
-		(p32[3] * hash_rnd[3]));
-}
-
 static inline struct neighbour *__ipv6_neigh_lookup_noref(struct net_device *dev, const void *pkey)
 {
 	return __neigh_lookup_noref(&nd_tbl, pkey, dev);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 659ecf4e4b3c..304a32b3c3f5 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -311,7 +311,12 @@ static u32 ndisc_hash(const void *pkey,
 		      const struct net_device *dev,
 		      __u32 *hash_rnd)
 {
-	return ndisc_hashfn(pkey, dev, hash_rnd);
+	const u32 *p32 = pkey;
+
+	return (((p32[0] ^ hash32_ptr(dev)) * hash_rnd[0]) +
+		 (p32[1] * hash_rnd[1]) +
+		 (p32[2] * hash_rnd[2]) +
+		 (p32[3] * hash_rnd[3]));
 }
 
 static bool ndisc_key_eq(const struct neighbour *n, const void *pkey)
-- 
2.11.0