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

From: Oliver Neukum
Date: Wed Feb 03 2010 - 12:21:53 EST


Am Mittwoch, 3. Februar 2010 17:46:59 schrieb Matthew Garrett:
> > If the FIFO is full we can do nothing. Please try the attached patch.
>
> Doesn't help, I'm afraid. Does anyone have any idea why the change to
> use kfifo would cause this?

The logic seems sound. That is unless the kfifo code is acting up.
Could you printk the value kfifo_len returns in usb_serial_generic_write_start()?

Regards
Oliver
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