Am Mittwoch, 13. Juli 2005 22:23 schrieb Greg KH:
> On Wed, Jul 13, 2005 at 08:28:52AM +0200, Oliver Neukum wrote:
> > Am Dienstag, 12. Juli 2005 20:57 schrieb Greg KH:
> > > [PATCH] USB: fix usb reference count bug in cdc-acm driver
> > >
> > > This increases the reference count on the usb cdc acm control interface
> > > which is referred to by the tty interface provided by the driver. This
> > > allows the deferred removal of the tty after the physical device is
> > > disconnected if the tty is held open at the time of disconnection.
> >
> > Is this really a wise thing to do?
> > If the tty layer does the access the tty layer should hold the reference.
>
> One would think so :(
>
> Anyway, this seems to be the only proposed fix for a kernel oops that is
> easily reproducable.
>
> See http://bugme.osdl.org/show_bug.cgi?id=4407 for more details.
>
> If anyone else suggests a better fix, I'd much rather have it.
OK, I do not understand the tty layer myself and have been hunting
this a while. So put it in.
Regards
Oliver
PS: Brian, thanks for the fix.
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