/*
* Add a property to a node
*/
-void prom_add_property(struct device_node* np, struct property* prop)
+int prom_add_property(struct device_node* np, struct property* prop)
{
- struct property **next = &np->properties;
+ struct property **next;
prop->next = NULL;
- while (*next)
+ write_lock(&devtree_lock);
+ next = &np->properties;
+ while (*next) {
+ if (strcmp(prop->name, (*next)->name) == 0) {
+ /* duplicate ! don't insert it */
+ write_unlock(&devtree_lock);
+ return -1;
+ }
next = &(*next)->next;
+ }
*next = prop;
+ write_unlock(&devtree_lock);
+
+ /* try to add to proc as well if it was initialized */
+ if (np->pde)
+ proc_device_tree_add_prop(np->pde, prop);
+
+ return 0;
}
/* I quickly hacked that one, check against spec ! */