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authorDavid S. Miller <davem@davemloft.net>2008-03-23 22:54:03 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-23 22:54:03 -0700
commit06802a819a0a2d31c952c0624cea6cd00e4e50da (patch)
tree8ccd7c668c7fbd8f08cb89426006040217caf3f1 /net/ipv4/fib_trie.c
parent9bd512f619cc116b7830134d7c9f6e404a38c7bf (diff)
parent8f3ea33a5078a09eba12bfe57424507809367756 (diff)
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Merge branch 'master' of ../net-2.6/
Conflicts: net/ipv6/ndisc.c
Diffstat (limited to 'net/ipv4/fib_trie.c')
-rw-r--r--net/ipv4/fib_trie.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index a7d089eb042e..ce6cb34e28e1 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -177,10 +177,13 @@ static inline struct tnode *node_parent_rcu(struct node *node)
return rcu_dereference(ret);
}
+/* Same as rcu_assign_pointer
+ * but that macro() assumes that value is a pointer.
+ */
static inline void node_set_parent(struct node *node, struct tnode *ptr)
{
- rcu_assign_pointer(node->parent,
- (unsigned long)ptr | NODE_TYPE(node));
+ smp_wmb();
+ node->parent = (unsigned long)ptr | NODE_TYPE(node);
}
static inline struct node *tnode_get_child(struct tnode *tn, unsigned int i)