o2net_handler_tree_lookup(u32 msg_type, u32 key, struct rb_node ***ret_p,
struct rb_node **ret_parent)
{
- struct rb_node **p = &o2net_handler_tree.rb_node;
- struct rb_node *parent = NULL;
+ struct rb_node **p = &o2net_handler_tree.rb_node;
+ struct rb_node *parent = NULL;
struct o2net_msg_handler *nmh, *ret = NULL;
int cmp;
- while (*p) {
- parent = *p;
- nmh = rb_entry(parent, struct o2net_msg_handler, nh_node);
+ while (*p) {
+ parent = *p;
+ nmh = rb_entry(parent, struct o2net_msg_handler, nh_node);
cmp = o2net_handler_cmp(nmh, msg_type, key);
- if (cmp < 0)
- p = &(*p)->rb_left;
- else if (cmp > 0)
- p = &(*p)->rb_right;
- else {
+ if (cmp < 0)
+ p = &(*p)->rb_left;
+ else if (cmp > 0)
+ p = &(*p)->rb_right;
+ else {
ret = nmh;
- break;
+ break;
}
- }
+ }
- if (ret_p != NULL)
- *ret_p = p;
- if (ret_parent != NULL)
- *ret_parent = parent;
+ if (ret_p != NULL)
+ *ret_p = p;
+ if (ret_parent != NULL)
+ *ret_parent = parent;
- return ret;
+ return ret;
}
static void o2net_handler_kref_release(struct kref *kref)