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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-24 13:07:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-24 13:07:24 -0700 |
| commit | ca1a6ba57c5fca755b4ac7a13395bca2e2e371b1 (patch) | |
| tree | 1dd8f5090238d644668818c54f9f91b1c5665991 /net/ipv4/fib_trie.c | |
| parent | d3073779f8362d64b804882f5f41c208c4a5e11e (diff) | |
| parent | 8f3ea33a5078a09eba12bfe57424507809367756 (diff) | |
| download | linux-ca1a6ba57c5fca755b4ac7a13395bca2e2e371b1.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
sch_htb: fix "too many events" situation
connector: convert to single-threaded workqueue
[ATM]: When proc_create() fails, do some error handling work and return -ENOMEM.
[SUNGEM]: Fix NAPI assertion failure.
BNX2X: prevent ethtool from setting port type
[9P] net/9p/trans_fd.c: remove unused variable
[IPV6] net/ipv6/ndisc.c: remove unused variable
[IPV4] fib_trie: fix warning from rcu_assign_poinger
[TCP]: Let skbs grow over a page on fast peers
[DLCI]: Fix tiny race between module unload and sock_ioctl.
[SCTP]: Fix build warnings with IPV6 disabled.
[IPV4]: Fix null dereference in ip_defrag
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 1ff446d0fa8b..f6cdc012eec5 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) |