hfsplus: Add additional range check to handle on-disk corruptions

[pandora-kernel.git] / lib / kobject.c

diff --git a/lib/kobject.c b/lib/kobject.c
index 82dc34c..640bd98 100644 (file)
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -948,14 +948,14 @@ const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)
 }
 
 
-const void *kobj_ns_current(enum kobj_ns_type type)
+void *kobj_ns_grab_current(enum kobj_ns_type type)
 {
-       const void *ns = NULL;
+       void *ns = NULL;
 
        spin_lock(&kobj_ns_type_lock);
        if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) &&
            kobj_ns_ops_tbl[type])
-               ns = kobj_ns_ops_tbl[type]->current_ns();
+               ns = kobj_ns_ops_tbl[type]->grab_current_ns();
        spin_unlock(&kobj_ns_type_lock);
 
        return ns;
@@ -987,23 +987,15 @@ const void *kobj_ns_initial(enum kobj_ns_type type)
        return ns;
 }
 
-/*
- * kobj_ns_exit - invalidate a namespace tag
- *
- * @type: the namespace type (i.e. KOBJ_NS_TYPE_NET)
- * @ns: the actual namespace being invalidated
- *
- * This is called when a tag is no longer valid.  For instance,
- * when a network namespace exits, it uses this helper to
- * make sure no sb's sysfs_info points to the now-invalidated
- * netns.
- */
-void kobj_ns_exit(enum kobj_ns_type type, const void *ns)
+void kobj_ns_drop(enum kobj_ns_type type, void *ns)
 {
-       sysfs_exit_ns(type, ns);
+       spin_lock(&kobj_ns_type_lock);
+       if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) &&
+           kobj_ns_ops_tbl[type] && kobj_ns_ops_tbl[type]->drop_ns)
+               kobj_ns_ops_tbl[type]->drop_ns(ns);
+       spin_unlock(&kobj_ns_type_lock);
 }
 
-
 EXPORT_SYMBOL(kobject_get);
 EXPORT_SYMBOL(kobject_put);
 EXPORT_SYMBOL(kobject_del);