neighbour: delete neigh_lookup_nodev as not used

neigh_lookup_nodev isn't used in the kernel after removal
of DECnet. So let's remove it.

Fixes: 1202cdd66531 ("Remove DECnet support from kernel")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/eb5656200d7964b2d177a36b77efa3c597d6d72d.1678267343.git.leonro@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 2f2a602..234799c 100644 (file)
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -336,8 +336,6 @@ void neigh_table_init(int index, struct neigh_table *tbl);
 int neigh_table_clear(int index, struct neigh_table *tbl);
 struct neighbour *neigh_lookup(struct neigh_table *tbl, const void *pkey,
                               struct net_device *dev);
-struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net,
-                                    const void *pkey);
 struct neighbour *__neigh_create(struct neigh_table *tbl, const void *pkey,
                                 struct net_device *dev, bool want_ref);
 static inline struct neighbour *neigh_create(struct neigh_table *tbl,

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 6798f6d..0116b0f 100644 (file)
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -627,37 +627,6 @@ struct neighbour *neigh_lookup(struct neigh_table *tbl, const void *pkey,
 }
 EXPORT_SYMBOL(neigh_lookup);
 
-struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net,
-                                    const void *pkey)
-{
-       struct neighbour *n;
-       unsigned int key_len = tbl->key_len;
-       u32 hash_val;
-       struct neigh_hash_table *nht;
-
-       NEIGH_CACHE_STAT_INC(tbl, lookups);
-
-       rcu_read_lock_bh();
-       nht = rcu_dereference_bh(tbl->nht);
-       hash_val = tbl->hash(pkey, NULL, nht->hash_rnd) >> (32 - nht->hash_shift);
-
-       for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
-            n != NULL;
-            n = rcu_dereference_bh(n->next)) {
-               if (!memcmp(n->primary_key, pkey, key_len) &&
-                   net_eq(dev_net(n->dev), net)) {
-                       if (!refcount_inc_not_zero(&n->refcnt))
-                               n = NULL;
-                       NEIGH_CACHE_STAT_INC(tbl, hits);
-                       break;
-               }
-       }
-
-       rcu_read_unlock_bh();
-       return n;
-}
-EXPORT_SYMBOL(neigh_lookup_nodev);
-
 static struct neighbour *
 ___neigh_create(struct neigh_table *tbl, const void *pkey,
                struct net_device *dev, u32 flags,