diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
| commit | 5f4457a4f62cc9d78e04c0eb12ff0540899aad89 (patch) | |
| tree | 0b973d527ea6b2ae31e08da0746b4965a3c5a6d8 /net/ipv4/fib_trie.c | |
| parent | 9b94b3a19b13e094c10f65f24bc358f6ffe4eacd (diff) | |
| parent | b87297fb405ef13cac375f202d114323b076a56d (diff) | |
Merge branch 'linus' into x86/cpu
Diffstat (limited to 'net/ipv4/fib_trie.c')
| -rw-r--r-- | net/ipv4/fib_trie.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index ec0ae490f0b..33c7c85dfe4 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -986,9 +986,12 @@ fib_find_node(struct trie *t, u32 key) static struct node *trie_rebalance(struct trie *t, struct tnode *tn) { int wasfull; - t_key cindex, key = tn->key; + t_key cindex, key; struct tnode *tp; + preempt_disable(); + key = tn->key; + while (tn != NULL && (tp = node_parent((struct node *)tn)) != NULL) { cindex = tkey_extract_bits(key, tp->pos, tp->bits); wasfull = tnode_full(tp, tnode_get_child(tp, cindex)); @@ -1007,6 +1010,7 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn) if (IS_TNODE(tn)) tn = (struct tnode *)resize(t, (struct tnode *)tn); + preempt_enable(); return (struct node *)tn; } |