ipv4: Eliminate spurious argument to __ipv4_neigh_lookup
authorDavid S. Miller <davem@davemloft.net>
Wed, 15 Feb 2012 22:48:35 +0000 (17:48 -0500)
committerDavid S. Miller <davem@davemloft.net>
Wed, 15 Feb 2012 22:48:35 +0000 (17:48 -0500)
'tbl' is always arp_tbl, so specifying it is pointless.

Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/arp.h
net/ipv4/route.c

index 0013dc8..4a1f3fb 100644 (file)
@@ -15,14 +15,14 @@ static inline u32 arp_hashfn(u32 key, const struct net_device *dev, u32 hash_rnd
        return val * hash_rnd;
 }
 
-static inline struct neighbour *__ipv4_neigh_lookup(struct neigh_table *tbl, struct net_device *dev, u32 key)
+static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key)
 {
        struct neigh_hash_table *nht;
        struct neighbour *n;
        u32 hash_val;
 
        rcu_read_lock_bh();
-       nht = rcu_dereference_bh(tbl->nht);
+       nht = rcu_dereference_bh(arp_tbl.nht);
        hash_val = arp_hashfn(key, dev, nht->hash_rnd[0]) >> (32 - nht->hash_shift);
        for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
             n != NULL;
index 4eeb8ce..0489ced 100644 (file)
@@ -1127,7 +1127,7 @@ static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, const vo
        else if (rt->rt_gateway)
                pkey = (const __be32 *) &rt->rt_gateway;
 
-       n = __ipv4_neigh_lookup(&arp_tbl, dev, *(__force u32 *)pkey);
+       n = __ipv4_neigh_lookup(dev, *(__force u32 *)pkey);
        if (n)
                return n;
        return neigh_create(&arp_tbl, pkey, dev);