Am Dienstag, 20. März 2007 14:11 schrieb [EMAIL PROTECTED]:
> Hi,
>
> Oliver Neukum:
> > the option driver does not directly use usb_kill_urb(). It uses a wrapper.
> > This wrapper means that callbacks which are running are not killed during
> > close, resubmitting and illicitly pushing data into the tty layer.
> > The whole purpose of usb_kill_urb() is subverted. The wrapper must be
> > removed.
> >
> Umm, I don't recall off-hand whether urb can ever be NULL, e.g. due to
> allocation problems. Did you verify that it cannot?
usb_kill_urb() may be called with NULL. It turns into a nop.
Regards
Oliver
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