Re: [PATCH v3 3/4] USB: EHCI: improve interrupt qh unlink

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On Mon, Jul 1, 2013 at 10:44 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> On Mon, 1 Jul 2013, Ming Lei wrote:
>
> However, this does still leave one possible race: On the first
> submission to an isochronous endpoint, itd_submit() and sitd_submit()
> will allocate a new ehci_iso_stream before calling
> usb_hcd_link_urb_to_ep().  If the endpoint has been flushed and
> disabled, the enqueue will fail but the new iso_stream will not be
> destroyed -- it will leak.  But this is an old failure mode, not
> related to the new changes.

Yes, not only the stream, but also ehci_iso_sched instance.

Thanks,
--
Ming Lei
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