[PATCH v2 net-next 01/13] neighbour: Remove __neigh_for_each_release().

[Kuniyuki Iwashima <kuniyu@google.com>]

Since commit 6deb53595092 ("net: remove unused ATM protocols
and legacy ATM device drivers"), there is no in-kernel user of
__neigh_for_each_release().

Let's remove it.

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
---
 include/net/neighbour.h |  2 --
 net/core/neighbour.c    | 31 -------------------------------
 2 files changed, 33 deletions(-)

diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 8860cc2175fc..7847c29496ae 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -405,8 +405,6 @@ static inline struct net *pneigh_net(const struct pneigh_entry *pneigh)
 void neigh_app_ns(struct neighbour *n);
 void neigh_for_each(struct neigh_table *tbl,
 		    void (*cb)(struct neighbour *, void *), void *cookie);
-void __neigh_for_each_release(struct neigh_table *tbl,
-			      int (*cb)(struct neighbour *));
 int neigh_xmit(int fam, struct net_device *, const void *, struct sk_buff *);
 
 struct neigh_seq_state {
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 1349c0eedb64..69a5f9dfa851 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -3161,37 +3161,6 @@ void neigh_for_each(struct neigh_table *tbl, void (*cb)(struct neighbour *, void
 }
 EXPORT_SYMBOL(neigh_for_each);
 
-/* The tbl->lock must be held as a writer and BH disabled. */
-void __neigh_for_each_release(struct neigh_table *tbl,
-			      int (*cb)(struct neighbour *))
-{
-	struct neigh_hash_table *nht;
-	int chain;
-
-	nht = rcu_dereference_protected(tbl->nht,
-					lockdep_is_held(&tbl->lock));
-	for (chain = 0; chain < (1 << nht->hash_shift); chain++) {
-		struct hlist_node *tmp;
-		struct neighbour *n;
-
-		neigh_for_each_in_bucket_safe(n, tmp, &nht->hash_heads[chain]) {
-			int release;
-
-			write_lock(&n->lock);
-			release = cb(n);
-			if (release) {
-				hlist_del_rcu(&n->hash);
-				hlist_del_rcu(&n->dev_list);
-				neigh_mark_dead(n);
-			}
-			write_unlock(&n->lock);
-			if (release)
-				neigh_cleanup_and_release(n);
-		}
-	}
-}
-EXPORT_SYMBOL(__neigh_for_each_release);
-
 int neigh_xmit(int index, struct net_device *dev,
 	       const void *addr, struct sk_buff *skb)
 {
-- 
2.55.0.679.g6767b8d81c-goog