+
+out_busid:
+ sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev_name(dev));
+#endif
+
+out_subsys:
+ sysfs_remove_link(&dev->kobj, "subsystem");
+out:
+ return error;
+}
+
+static void device_remove_class_symlinks(struct device *dev)
+{
+ if (!dev->class)
+ return;
+
+#ifdef CONFIG_SYSFS_DEPRECATED
+ if (dev->parent && device_is_not_partition(dev)) {
+ char *class_name;
+
+ class_name = make_class_name(dev->class->name, &dev->kobj);
+ if (class_name) {
+ sysfs_remove_link(&dev->parent->kobj, class_name);
+ kfree(class_name);
+ }
+ sysfs_remove_link(&dev->kobj, "device");
+ }
+
+ if (dev->kobj.parent != &dev->class->p->class_subsys.kobj &&
+ device_is_not_partition(dev))
+ sysfs_remove_link(&dev->class->p->class_subsys.kobj,
+ dev_name(dev));
+#else
+ if (dev->parent && device_is_not_partition(dev))
+ sysfs_remove_link(&dev->kobj, "device");
+
+ sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev_name(dev));
+#endif
+
+ sysfs_remove_link(&dev->kobj, "subsystem");
+}
+
+/**
+ * dev_set_name - set a device name
+ * @dev: device
+ * @fmt: format string for the device's name
+ */
+int dev_set_name(struct device *dev, const char *fmt, ...)
+{
+ va_list vargs;
+ int err;
+
+ va_start(vargs, fmt);
+ err = kobject_set_name_vargs(&dev->kobj, fmt, vargs);
+ va_end(vargs);
+ return err;
+}
+EXPORT_SYMBOL_GPL(dev_set_name);
+
+/**
+ * device_to_dev_kobj - select a /sys/dev/ directory for the device
+ * @dev: device
+ *
+ * By default we select char/ for new entries. Setting class->dev_obj
+ * to NULL prevents an entry from being created. class->dev_kobj must
+ * be set (or cleared) before any devices are registered to the class
+ * otherwise device_create_sys_dev_entry() and
+ * device_remove_sys_dev_entry() will disagree about the the presence
+ * of the link.
+ */
+static struct kobject *device_to_dev_kobj(struct device *dev)
+{
+ struct kobject *kobj;
+
+ if (dev->class)
+ kobj = dev->class->dev_kobj;
+ else
+ kobj = sysfs_dev_char_kobj;
+
+ return kobj;
+}
+
+static int device_create_sys_dev_entry(struct device *dev)
+{
+ struct kobject *kobj = device_to_dev_kobj(dev);
+ int error = 0;
+ char devt_str[15];
+
+ if (kobj) {
+ format_dev_t(devt_str, dev->devt);
+ error = sysfs_create_link(kobj, &dev->kobj, devt_str);
+ }
+
+ return error;
+}
+
+static void device_remove_sys_dev_entry(struct device *dev)
+{
+ struct kobject *kobj = device_to_dev_kobj(dev);
+ char devt_str[15];
+
+ if (kobj) {
+ format_dev_t(devt_str, dev->devt);
+ sysfs_remove_link(kobj, devt_str);
+ }