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authorDavid S. Miller <davem@davemloft.net>2009-05-25 01:42:21 -0700
committerDavid S. Miller <davem@davemloft.net>2009-05-25 01:42:21 -0700
commitc649c0e31d5736a4b7c5c3454182091dda4bbe62 (patch)
tree93da11bf4ea828611ab5277a7dbadf57724c2b1e /net/ipv4/fib_trie.c
parentdaebafed7fef54fcc73d2d01431122cfd578d1e0 (diff)
parent4e2fd555199977c5994d1a4d2d3b8761b20ca4c7 (diff)
downloadop-kernel-dev-c649c0e31d5736a4b7c5c3454182091dda4bbe62.zip
op-kernel-dev-c649c0e31d5736a4b7c5c3454182091dda4bbe62.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/ath/ath5k/phy.c drivers/net/wireless/iwlwifi/iwl-agn.c drivers/net/wireless/iwlwifi/iwl3945-base.c
Diffstat (limited to 'net/ipv4/fib_trie.c')
-rw-r--r--net/ipv4/fib_trie.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 9070d11..538d2a9 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;
}
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