Pull new-syscalls into release branch

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

diff --git a/lib/kobject.c b/lib/kobject.c
index 253d300..efe67fa 100644 (file)
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -14,6 +14,7 @@
 #include <linux/string.h>
 #include <linux/module.h>
 #include <linux/stat.h>
+#include <linux/slab.h>
 
 /**
  *     populate_dir - populate directory with attributes.
@@ -71,6 +72,8 @@ static int get_kobj_path_length(struct kobject *kobj)
         * Add 1 to strlen for leading '/' of each level.
         */
        do {
+               if (kobject_name(parent) == NULL)
+                       return 0;
                length += strlen(kobject_name(parent)) + 1;
                parent = parent->parent;
        } while (parent);
@@ -106,6 +109,8 @@ char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)
        int len;
 
        len = get_kobj_path_length(kobj);
+       if (len == 0)
+               return NULL;
        path = kmalloc(len, gfp_mask);
        if (!path)
                return NULL;
@@ -161,6 +166,11 @@ int kobject_add(struct kobject * kobj)
                return -ENOENT;
        if (!kobj->k_name)
                kobj->k_name = kobj->name;
+       if (!kobj->k_name) {
+               pr_debug("kobject attempted to be registered with no name!\n");
+               WARN_ON(1);
+               return -EINVAL;
+       }
        parent = kobject_get(kobj->parent);
 
        pr_debug("kobject %s: registering. parent: %s, set: %s\n",
@@ -206,7 +216,7 @@ int kobject_register(struct kobject * kobj)
                               kobject_name(kobj),error);
                        dump_stack();
                } else
-                       kobject_hotplug(kobj, KOBJ_ADD);
+                       kobject_uevent(kobj, KOBJ_ADD);
        } else
                error = -EINVAL;
        return error;
@@ -311,7 +321,7 @@ void kobject_del(struct kobject * kobj)
 void kobject_unregister(struct kobject * kobj)
 {
        pr_debug("kobject %s: unregistering\n",kobject_name(kobj));
-       kobject_hotplug(kobj, KOBJ_REMOVE);
+       kobject_uevent(kobj, KOBJ_REMOVE);
        kobject_del(kobj);
        kobject_put(kobj);
 }