* Ben Hutchings <b...@decadent.org.uk> [2012-09-29 00:13:03 +0200]:
> On Fri, 2012-09-28 at 13:33 -0700, Greg Kroah-Hartman wrote:
> > 3.0-stable review patch. If anyone has any objections, please let me know.
> >
> > ------------------
> >
> > From: Vinicius Costa Gomes <vinicius.go...@openbossa.org>
> >
> > commit 78c04c0bf52360dc2f7185e99c8e9aa05d73ae5a upstream.
> >
> > For example, when a usb reset is received (I could reproduce it
> > running something very similar to this[1] in a loop) it could be
> > that the device is unregistered while the power_off delayed work
> > is still scheduled to run.
> [...]
> > --- a/net/bluetooth/hci_core.c
> > +++ b/net/bluetooth/hci_core.c
> > @@ -588,6 +588,8 @@ static int hci_dev_do_close(struct hci_d
> > {
> > BT_DBG("%s %p", hdev->name, hdev);
> >
> > + cancel_delayed_work(&hdev->power_off);
> [...]
>
> This is not right for 3.0 as the type of hdev->power_off is struct
> work_struct, not struct delayed_work.
>
> When I looked at this for 3.2 it appeared that this fix might not be
> required at all.
Yes, at that time we had a timer to run the work, at some point we changed it
with a delayed_work but I don't remember exactly which version was it, 3.3 I
think.
Gustavo
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