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| author | David S. Miller <davem@davemloft.net> | 2008-03-23 22:54:03 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-23 22:54:03 -0700 |
| commit | 06802a819a0a2d31c952c0624cea6cd00e4e50da (patch) | |
| tree | 8ccd7c668c7fbd8f08cb89426006040217caf3f1 /net/ipv4/fib_trie.c | |
| parent | 9bd512f619cc116b7830134d7c9f6e404a38c7bf (diff) | |
| parent | 8f3ea33a5078a09eba12bfe57424507809367756 (diff) | |
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.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index a7d089eb042..ce6cb34e28e 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) |