[RFC] kobject: convert some users of kobject_init to the new functions.

[Greg KH <greg@kroah.com>]

This converts the kernel/ directory and the char_dev directory to use
the new kobject_init functions as an example and test of them.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 fs/char_dev.c   |   18 ++++++++++++++----
 kernel/module.c |   12 ++++--------
 kernel/params.c |    5 +----
 kernel/user.c   |    5 +----
 mm/slub.c       |    5 +----
 5 files changed, 21 insertions(+), 24 deletions(-)

--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -509,10 +509,15 @@ static struct kobj_type ktype_cdev_dynam
 struct cdev *cdev_alloc(void)
 {
 	struct cdev *p = kzalloc(sizeof(struct cdev), GFP_KERNEL);
+	int ret;
+
 	if (p) {
-		p->kobj.ktype = &ktype_cdev_dynamic;
 		INIT_LIST_HEAD(&p->list);
-		kobject_init(&p->kobj);
+		ret = kobject_init_ng(&p->kobj, &ktype_cdev_dynamic, NULL,
+				      "cdev_dynamic");
+		if (ret)
+			printk(KERN_ERR "cdev: something went wrong "
+			       "initializing the dynamic kobject!\n");
 	}
 	return p;
 }
@@ -527,10 +532,15 @@ struct cdev *cdev_alloc(void)
  */
 void cdev_init(struct cdev *cdev, const struct file_operations *fops)
 {
+	int ret;
+
 	memset(cdev, 0, sizeof *cdev);
 	INIT_LIST_HEAD(&cdev->list);
-	cdev->kobj.ktype = &ktype_cdev_default;
-	kobject_init(&cdev->kobj);
+	ret = kobject_init_ng(&cdev->kobj, &ktype_cdev_default, NULL,
+			      "cdev_static");
+	if (ret)
+		printk(KERN_ERR "cdev: something went very wrong initializing "
+		       "the static kobject!\n");
 	cdev->ops = fops;
 }
 
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1218,18 +1218,14 @@ int mod_sysfs_init(struct module *mod)
 		err = -EINVAL;
 		goto out;
 	}
-	memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj));
-	err = kobject_set_name(&mod->mkobj.kobj, "%s", mod->name);
-	if (err)
-		goto out;
-	mod->mkobj.kobj.kset = module_kset;
-	mod->mkobj.kobj.ktype = &module_ktype;
 	mod->mkobj.mod = mod;
 
-	kobject_init(&mod->mkobj.kobj);
+	memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj));
+	mod->mkobj.kobj.kset = module_kset;
+	err = kobject_init_and_add(&mod->mkobj.kobj, &module_ktype, NULL,
+				   "%s", mod->name);
 
 	/* delay uevent until full sysfs population */
-	err = kobject_add(&mod->mkobj.kobj);
 out:
 	return err;
 }
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -561,10 +561,7 @@ static void __init kernel_param_sysfs_se
 
 	mk->mod = THIS_MODULE;
 	mk->kobj.kset = module_kset;
-	mk->kobj.ktype = &module_ktype;
-	kobject_set_name(&mk->kobj, name);
-	kobject_init(&mk->kobj);
-	ret = kobject_add(&mk->kobj);
+	ret = kobject_init_and_add(&mk->kobj, &module_ktype, NULL, "%s", name);
 	if (ret) {
 		printk(KERN_ERR "Module '%s' failed to be added to sysfs, "
 		      "error number %d\n", name, ret);
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -181,11 +181,8 @@ static int uids_user_create(struct user_
 	int error;
 
 	memset(kobj, 0, sizeof(struct kobject));
-	kobj->ktype = &uids_ktype;
 	kobj->kset = uids_kset;
-	kobject_init(kobj);
-	kobject_set_name(&up->kobj, "%d", up->uid);
-	error = kobject_add(kobj);
+	error = kobject_init_and_add(kobj, &uids_ktype, NULL, "%d", up->uid);
 	if (error)
 		goto done;
 
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4021,11 +4021,8 @@ static int sysfs_slab_add(struct kmem_ca
 		name = create_unique_id(s);
 	}
 
-	kobject_set_name(&s->kobj, name);
 	s->kobj.kset = slab_kset;
-	s->kobj.ktype = &slab_ktype;
-	kobject_init(&s->kobj);
-	err = kobject_add(&s->kobj);
+	err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, name);
 	if (err)
 		return err;
 
-
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