diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index feab124..cbfc815 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -194,7 +194,7 @@
 
 	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;
 	}
 	/*
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 2f6a73c..2ce3de5 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -828,7 +828,7 @@
 	/* 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) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e8f102e..acf1b81 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3076,8 +3076,7 @@
 	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",
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 4ac161e..7d7758f 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -1183,7 +1183,7 @@
 					 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);
 	}
diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c
index 568f187..05ca2ed 100644
--- a/drivers/pci/setup-irq.c
+++ b/drivers/pci/setup-irq.c
@@ -48,7 +48,7 @@
 	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. */