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authorDavid S. Miller <davem@davemloft.net>2012-07-03 09:58:02 +0400
committerDavid S. Miller <davem@davemloft.net>2012-07-05 13:42:00 +0400
commit36bdbcae2fa2a6dfa99344d4190fcea0aa7b7c25 (patch)
tree79d4167b6913428522dc6e5a0bf98a9d58d36f9e /net/core/dst.c
parentd1e31fb02b31ba88d5650d97c35eb58f52bfe0e1 (diff)
downloadlinux-36bdbcae2fa2a6dfa99344d4190fcea0aa7b7c25.tar.xz
net: Kill dst->_neighbour, accessors, and final uses.
No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dst.c')
-rw-r--r--net/core/dst.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/net/core/dst.c b/net/core/dst.c
index a6e19a23a745..07bacff84aa4 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -171,7 +171,6 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst_init_metrics(dst, dst_default_metrics, true);
dst->expires = 0UL;
dst->path = dst;
- RCU_INIT_POINTER(dst->_neighbour, NULL);
#ifdef CONFIG_XFRM
dst->xfrm = NULL;
#endif
@@ -225,19 +224,12 @@ EXPORT_SYMBOL(__dst_free);
struct dst_entry *dst_destroy(struct dst_entry * dst)
{
struct dst_entry *child;
- struct neighbour *neigh;
smp_rmb();
again:
- neigh = rcu_dereference_protected(dst->_neighbour, 1);
child = dst->child;
- if (neigh) {
- RCU_INIT_POINTER(dst->_neighbour, NULL);
- neigh_release(neigh);
- }
-
if (!(dst->flags & DST_NOCOUNT))
dst_entries_add(dst->ops, -1);
@@ -361,19 +353,9 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
if (!unregister) {
dst->input = dst->output = dst_discard;
} else {
- struct neighbour *neigh;
-
dst->dev = dev_net(dst->dev)->loopback_dev;
dev_hold(dst->dev);
dev_put(dev);
- rcu_read_lock();
- neigh = dst_get_neighbour_noref(dst);
- if (neigh && neigh->dev == dev) {
- neigh->dev = dst->dev;
- dev_hold(dst->dev);
- dev_put(dev);
- }
- rcu_read_unlock();
}
}