kobjects: fix up improper use of the kobject name field

A number of different drivers incorrect access the kobject name field
directly.  This is not correct as the name might not be in the array.
Use the proper accessor function instead.

block/elevator.c

@@ -186,7 +186,7 @@ static elevator_t *elevator_alloc(struct request_queue *q,
 	eq->ops = &e->ops;
 	eq->elevator_type = e;
 	kobject_init(&eq->kobj);
-	snprintf(eq->kobj.name, KOBJ_NAME_LEN, "%s", "iosched");
+	kobject_set_name(&eq->kobj, "%s", "iosched");
 	eq->kobj.ktype = &elv_ktype;
 	mutex_init(&eq->sysfs_lock);
 

block/ll_rw_blk.c

@@ -1854,7 +1854,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 
 	init_timer(&q->unplug_timer);
 
-	snprintf(q->kobj.name, KOBJ_NAME_LEN, "%s", "queue");
+	kobject_set_name(&q->kobj, "%s", "queue");
 	q->kobj.ktype = &queue_ktype;
 	kobject_init(&q->kobj);
 

drivers/acpi/bus.c

@@ -194,7 +194,7 @@ int acpi_bus_set_power(acpi_handle handle, int state)
 
 	if (!device->flags.power_manageable) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable\n",
-				device->dev.kobj.name));
+				kobject_name(&device->dev.kobj)));
 		return -ENODEV;
 	}
 	/*

drivers/cpufreq/cpufreq.c

@@ -828,7 +828,7 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
 	/* prepare interface data */
 	policy->kobj.parent = &sys_dev->kobj;
 	policy->kobj.ktype = &ktype_cpufreq;
-	strlcpy(policy->kobj.name, "cpufreq", KOBJ_NAME_LEN);
+	kobject_set_name(&policy->kobj, "cpufreq");
 
 	ret = kobject_register(&policy->kobj);
 	if (ret) {

drivers/md/md.c

@@ -3076,8 +3076,7 @@ static struct kobject *md_probe(dev_t dev, int *part, void *data)
 	mddev->gendisk = disk;
 	mutex_unlock(&disks_mutex);
 	mddev->kobj.parent = &disk->kobj;
-	mddev->kobj.k_name = NULL;
-	snprintf(mddev->kobj.name, KOBJ_NAME_LEN, "%s", "md");
+	kobject_set_name(&mddev->kobj, "%s", "md");
 	mddev->kobj.ktype = &md_ktype;
 	if (kobject_register(&mddev->kobj))
 		printk(KERN_WARNING "md: cannot register %s/md - name in use\n",

drivers/net/ibmveth.c

@@ -1183,7 +1183,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_
 					 pool_count[i], pool_size[i],
 					 pool_active[i]);
 		kobj->parent = &dev->dev.kobj;
-		sprintf(kobj->name, "pool%d", i);
+		kobject_set_name(kobj, "pool%d", i);
 		kobj->ktype = &ktype_veth_pool;
 		kobject_register(kobj);
 	}

drivers/pci/setup-irq.c

@@ -48,7 +48,7 @@ pdev_fixup_irq(struct pci_dev *dev,
 	dev->irq = irq;
 
 	pr_debug("PCI: fixup irq: (%s) got %d\n",
-		dev->dev.kobj.name, dev->irq);
+		kobject_name(&dev->dev.kobj), dev->irq);
 
 	/* Always tell the device, so the driver knows what is
 	   the real IRQ to use; the device does not use it. */

fs/partitions/check.c

@@ -381,10 +381,12 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len,
 	p->partno = part;
 	p->policy = disk->policy;
 
-	if (isdigit(disk->kobj.name[strlen(disk->kobj.name)-1]))
-		snprintf(p->kobj.name,KOBJ_NAME_LEN,"%sp%d",disk->kobj.name,part);
+	if (isdigit(disk->kobj.k_name[strlen(disk->kobj.k_name)-1]))
+		kobject_set_name(&p->kobj, "%sp%d",
+				 kobject_name(&disk->kobj), part);
 	else
-		snprintf(p->kobj.name,KOBJ_NAME_LEN,"%s%d",disk->kobj.name,part);
+		kobject_set_name(&p->kobj, "%s%d",
+				 kobject_name(&disk->kobj),part);
 	p->kobj.parent = &disk->kobj;
 	p->kobj.ktype = &ktype_part;
 	kobject_init(&p->kobj);
@@ -477,9 +479,9 @@ void register_disk(struct gendisk *disk)
 	struct hd_struct *p;
 	int err;
 
-	strlcpy(disk->kobj.name,disk->disk_name,KOBJ_NAME_LEN);
+	kobject_set_name(&disk->kobj, "%s", disk->disk_name);
 	/* ewww... some of these buggers have / in name... */
-	s = strchr(disk->kobj.name, '/');
+	s = strchr(disk->kobj.k_name, '/');
 	if (s)
 		*s = '!';
 	if ((err = kobject_add(&disk->kobj)))

fs/sysfs/dir.c

@@ -1013,7 +1013,7 @@ int sysfs_move_dir(struct kobject *kobj, struct kobject *new_parent_kobj)
 		goto again;
 	}
 
-	new_dentry = lookup_one_len(kobj->name, new_parent, strlen(kobj->name));
+	new_dentry = lookup_one_len(kobject_name(kobj), new_parent, strlen(kobject_name(kobj)));
 	if (IS_ERR(new_dentry)) {
 		error = PTR_ERR(new_dentry);
 		goto out_unlock;

net/bridge/br_sysfs_br.c

@@ -435,7 +435,7 @@ int br_sysfs_addbr(struct net_device *dev)
 	err = kobject_register(&br->ifobj);
 	if (err) {
 		pr_info("%s: can't add kobject (directory) %s/%s\n",
-			__FUNCTION__, dev->name, br->ifobj.name);
+			__FUNCTION__, dev->name, kobject_name(&br->ifobj));
 		goto out3;
 	}
 	return 0;