Re: usb-serial (ftdi_sio) warning, 2.6.31.6

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On Sat, 5 Dec 2009, Greg KH wrote:

> On Wed, Dec 02, 2009 at 10:24:15AM -0500, Alan Stern wrote:
> > On Wed, 2 Dec 2009, Alan Cox wrote:
> > 
> > > On Wed, 2 Dec 2009 05:59:49 -0500
> > > Glenn Maynard <glenn@xxxxxxxx> wrote:
> > > 
> > > > I'm not sure if this is a usb-serial issue or a tty issue; I'm
> > > > starting here, since it's usb-serial's warning.
> > > 
> > > I thought that check had been removed - the check is bogus (or should be)
> > > as the port and tty are now refcounted.
> > 
> > Wasn't it removed in 2.6.32-rc8?  The change has not been backported to 
> > the -stable trees.
> 
> Which commit did this, I can't seem to figure it out.

I was wrong; those bogus WARN_ON(!port->port.count) lines are still
present in usb-serial.c.  It should be easy to remove them.

Alan Stern

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