static void device_release(struct kobject *kobj)
{
struct device *dev = to_dev(kobj);
+ struct device_private *p = dev->p;
if (dev->release)
dev->release(dev);
else
WARN(1, KERN_ERR "Device '%s' does not have a release() "
"function, it is broken and must be fixed.\n",
- dev->bus_id);
+ dev_name(dev));
+ kfree(p);
}
static struct kobj_type device_ktype = {
retval = dev->bus->uevent(dev, env);
if (retval)
pr_debug("device: '%s': %s: bus uevent() returned %d\n",
- dev->bus_id, __func__, retval);
+ dev_name(dev), __func__, retval);
}
/* have the class specific function add its stuff */
retval = dev->class->dev_uevent(dev, env);
if (retval)
pr_debug("device: '%s': %s: class uevent() "
- "returned %d\n", dev->bus_id,
+ "returned %d\n", dev_name(dev),
__func__, retval);
}
retval = dev->type->uevent(dev, env);
if (retval)
pr_debug("device: '%s': %s: dev_type uevent() "
- "returned %d\n", dev->bus_id,
+ "returned %d\n", dev_name(dev),
__func__, retval);
}
*/
void device_initialize(struct device *dev)
{
+ dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
+ if (!dev->p) {
+ WARN_ON(1);
+ return;
+ }
+ dev->p->device = dev;
dev->kobj.kset = devices_kset;
kobject_init(&dev->kobj, &device_ktype);
klist_init(&dev->klist_children, klist_children_get,
if (dev->kobj.parent != &dev->class->p->class_subsys.kobj &&
device_is_not_partition(dev)) {
error = sysfs_create_link(&dev->class->p->class_subsys.kobj,
- &dev->kobj, dev->bus_id);
+ &dev->kobj, dev_name(dev));
if (error)
goto out_subsys;
}
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->bus_id);
+ dev_name(dev));
#else
/* link in the class directory pointing to the device */
error = sysfs_create_link(&dev->class->p->class_subsys.kobj,
- &dev->kobj, dev->bus_id);
+ &dev->kobj, dev_name(dev));
if (error)
goto out_subsys;
return 0;
out_busid:
- sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev->bus_id);
+ sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev_name(dev));
#endif
out_subsys:
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->bus_id);
+ 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->bus_id);
+ sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev_name(dev));
#endif
sysfs_remove_link(&dev->kobj, "subsystem");
if (!strlen(dev->bus_id))
goto done;
- pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
+ pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
parent = get_device(dev->parent);
setup_parent(dev, parent);
set_dev_node(dev, dev_to_node(parent));
/* first, register with generic layer. */
- error = kobject_add(&dev->kobj, dev->kobj.parent, "%s", dev->bus_id);
+ error = kobject_add(&dev->kobj, dev->kobj.parent, "%s", dev_name(dev));
if (error)
goto Error;
*/
void device_unregister(struct device *dev)
{
- pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
+ pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
device_del(dev);
put_device(dev);
}
static void device_create_release(struct device *dev)
{
- pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
+ pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
kfree(dev);
}
* device_rename - renames a device
* @dev: the pointer to the struct device to be renamed
* @new_name: the new name of the device
+ *
+ * It is the responsibility of the caller to provide mutual
+ * exclusion between two different calls of device_rename
+ * on the same device to ensure that new_name is valid and
+ * won't conflict with other devices.
*/
int device_rename(struct device *dev, char *new_name)
{
if (!dev)
return -EINVAL;
- pr_debug("device: '%s': %s: renaming to '%s'\n", dev->bus_id,
+ pr_debug("device: '%s': %s: renaming to '%s'\n", dev_name(dev),
__func__, new_name);
#ifdef CONFIG_SYSFS_DEPRECATED
#else
if (dev->class) {
error = sysfs_create_link_nowarn(&dev->class->p->class_subsys.kobj,
- &dev->kobj, dev->bus_id);
+ &dev->kobj, dev_name(dev));
if (error)
goto out;
sysfs_remove_link(&dev->class->p->class_subsys.kobj,
new_parent = get_device(new_parent);
new_parent_kobj = get_device_parent(dev, new_parent);
- pr_debug("device: '%s': %s: moving to '%s'\n", dev->bus_id,
- __func__, new_parent ? new_parent->bus_id : "<NULL>");
+ pr_debug("device: '%s': %s: moving to '%s'\n", dev_name(dev),
+ __func__, new_parent ? dev_name(new_parent) : "<NULL>");
error = kobject_move(&dev->kobj, new_parent_kobj);
if (error) {
cleanup_glue_dir(dev, new_parent_kobj);