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Diffstat (limited to 'net/core/dst.c')
-rw-r--r--net/core/dst.c25
1 files changed, 4 insertions, 21 deletions
diff --git a/net/core/dst.c b/net/core/dst.c
index 43d94cedbf7c..069d51d29414 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -94,7 +94,7 @@ loop:
* But we do not have state "obsoleted, but
* referenced by parent", so it is right.
*/
- if (dst->obsolete > 1)
+ if (dst->obsolete > 0)
continue;
___dst_free(dst);
@@ -152,7 +152,7 @@ EXPORT_SYMBOL(dst_discard);
const u32 dst_default_metrics[RTAX_MAX];
void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
- int initial_ref, int initial_obsolete, int flags)
+ int initial_ref, int initial_obsolete, unsigned short flags)
{
struct dst_entry *dst;
@@ -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
@@ -188,6 +187,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst->__use = 0;
dst->lastuse = jiffies;
dst->flags = flags;
+ dst->pending_confirm = 0;
dst->next = NULL;
if (!(flags & DST_NOCOUNT))
dst_entries_add(ops, 1);
@@ -202,7 +202,7 @@ static void ___dst_free(struct dst_entry *dst)
*/
if (dst->dev == NULL || !(dst->dev->flags&IFF_UP))
dst->input = dst->output = dst_discard;
- dst->obsolete = 2;
+ dst->obsolete = DST_OBSOLETE_DEAD;
}
void __dst_free(struct dst_entry *dst)
@@ -224,19 +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);
@@ -360,19 +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();
}
}