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driver core: always handle dpm_order

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If !dev->class, device_move() does not respect the dpm_order.
Fix it to do so.

Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
[Fixed a small dangling label compile warning]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rabin Vincent 2012-04-23 09:16:36 +02:00 committed by Greg Kroah-Hartman
parent cfaf025112
commit bdd4034df8
1 changed files with 18 additions and 18 deletions
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36
drivers/base/core.c
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@ -1754,25 +1754,25 @@ int device_move(struct device *dev, struct device *new_parent,
set_dev_node(dev, dev_to_node(new_parent));
}
if (!dev->class)
goto out_put;
error = device_move_class_links(dev, old_parent, new_parent);
if (error) {
/* We ignore errors on cleanup since we're hosed anyway... */
device_move_class_links(dev, new_parent, old_parent);
if (!kobject_move(&dev->kobj, &old_parent->kobj)) {
if (new_parent)
klist_remove(&dev->p->knode_parent);
dev->parent = old_parent;
if (old_parent) {
klist_add_tail(&dev->p->knode_parent,
&old_parent->p->klist_children);
set_dev_node(dev, dev_to_node(old_parent));
if (dev->class) {
error = device_move_class_links(dev, old_parent, new_parent);
if (error) {
/* We ignore errors on cleanup since we're hosed anyway... */
device_move_class_links(dev, new_parent, old_parent);
if (!kobject_move(&dev->kobj, &old_parent->kobj)) {
if (new_parent)
klist_remove(&dev->p->knode_parent);
dev->parent = old_parent;
if (old_parent) {
klist_add_tail(&dev->p->knode_parent,
&old_parent->p->klist_children);
set_dev_node(dev, dev_to_node(old_parent));
}
}
cleanup_glue_dir(dev, new_parent_kobj);
put_device(new_parent);
goto out;
}
cleanup_glue_dir(dev, new_parent_kobj);
put_device(new_parent);
goto out;
}
switch (dpm_order) {
case DPM_ORDER_NONE:
@ -1787,7 +1787,7 @@ int device_move(struct device *dev, struct device *new_parent,
device_pm_move_last(dev);
break;
}
out_put:
put_device(old_parent);
out:
device_pm_unlock();