On Thu, 26 Jul 2007 08:44:21 -0700 "Paul E. McKenney" <[EMAIL PROTECTED]> wrote:
> On Thu, Jul 26, 2007 at 11:49:42AM +0100, Stephen Hemminger wrote:
> > Whitespace cleanup run code through lindent then cleanup results.
> > Applys after other two patches.
> >
> > --- a/net/ipv4/fib_trie.c 2007-07-26 10:17:21.000000000 +0100
> > +++ b/net/ipv4/fib_trie.c 2007-07-26 11:47:52.000000000 +0100
> > @@ -156,7 +156,8 @@ struct trie {
> > };
> >
> > static void put_child(struct trie *t, struct tnode *tn, int i, struct node
> > *n);
> > -static void tnode_put_child_reorg(struct tnode *tn, int i, struct node *n,
> > int wasfull);
> > +static void tnode_put_child_reorg(struct tnode *tn, int i, struct node *n,
> > + int wasfull);
> > static struct node *resize(struct trie *t, struct tnode *tn);
> > static struct tnode *inflate(struct trie *t, struct tnode *tn);
> > static struct tnode *halve(struct trie *t, struct tnode *tn);
> > @@ -167,13 +168,12 @@ static struct trie *trie_local = NULL, *
> >
> > static inline struct tnode *node_parent(struct node *node)
> > {
> > - return rcu_dereference((struct tnode *) (node->parent &
> > ~NODE_TYPE_MASK));
> > + return rcu_dereference((struct tnode *)(node->parent &
> > ~NODE_TYPE_MASK));
>
> The potential issue is applying rcu_dereference() to an rvalue
> as opposed to an lvalue. So how about the following?
>
I did this:
static inline struct tnode *node_parent(struct node *node)
{
struct tnode *ret;
ret = (struct tnode *)(node->parent & ~NODE_TYPE_MASK);
return rcu_dereference(ret);
}
-
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