Driver core: bus: remove indentation level

Before potentially fixing up these functions, this cosmetic change
reduces the indentation level to make the code easier to read and
maintain.

No functional changes at all.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/base/bus.c

@@ -518,7 +518,9 @@ int bus_add_driver(struct device_driver *drv)
 	struct bus_type * bus = get_bus(drv->bus);
 	int error = 0;
 
-	if (bus) {
+	if (!bus)
+		return 0;
+
 	pr_debug("bus %s: add driver %s\n", bus->name, drv->name);
 	error = kobject_set_name(&drv->kobj, "%s", drv->name);
 	if (error)
@@ -545,7 +547,7 @@ int bus_add_driver(struct device_driver *drv)
 		printk(KERN_ERR "%s: add_bind_files(%s) failed\n",
 			__FUNCTION__, drv->name);
 	}
-	}
+
 	return error;
 out_unregister:
 	kobject_unregister(&drv->kobj);
@@ -565,7 +567,9 @@ int bus_add_driver(struct device_driver *drv)
 
 void bus_remove_driver(struct device_driver * drv)
 {
-	if (drv->bus) {
+	if (!drv->bus)
+		return;
+
 	remove_bind_files(drv);
 	driver_remove_attrs(drv->bus, drv);
 	klist_remove(&drv->knode_bus);
@@ -574,7 +578,6 @@ void bus_remove_driver(struct device_driver * drv)
 	module_remove_driver(drv);
 	kobject_unregister(&drv->kobj);
 	put_bus(drv->bus);
-	}
 }