Re: [REGRESSION] "USB: use kfifo to buffer usb-generic serialwrites" causes gobi_loader to hang

[Greg KH]

On Thu, Jan 28, 2010 at 07:40:12PM +0100, Oliver Neukum wrote:
> Am Donnerstag, 28. Januar 2010 18:45:46 schrieb Greg KH:
> > On Tue, Jan 19, 2010 at 02:20:29PM +0100, Oliver Neukum wrote:
> > > Am Montag, 18. Januar 2010 21:14:16 schrieb Matthew Garrett:
> > > 
> > > > drivers/usb/serial/generic.c: usb_serial_generic_write - port 0, 1565 
> > > > bytes
> > > > drivers/usb/serial/generic.c: usb_serial_generic_write - put 0 bytes 
> > > > into fifo
> > > > drivers/usb/serial/generic.c: usb_serial_generic_read_bulk_callback - 
> > > > port 0
> > > 
> > > If the FIFO is full we can do nothing. Please try the attached patch.
> > 
> > Did we ever determine if the patch below is needed or not?
> 
> No. Further discussion cast serious doubt on it, but we have no
> experimental evidence I am aware of.

Ok, thanks for letting me know.

greg k-h
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