That has no effect. If I remove that line the problem still persists. 

Very Sincerely,
Jason

> On Dec 23, 2013, at 12:06 PM, Matthias Bolte <matthias.bo...@googlemail.com> 
> wrote:
> 
> 2013/12/23 Jason Kotzin <jasonkot...@gmail.com>:
>> I have a USB device which has two separate devices in it, a bootloader, and 
>> the actual firmware.
>> 
>> When I upgrade the firmware, I need to:
>> 
>> send a message to the USB device which will jump to bootloader firmware
>> release the interface
>> close the usb device
>> call libusb_exit()
> 
> Why do you call libusb_exit() here?
> 
> Are you calling libusb functions after libusb_exit()? If yes, then
> errors are expected, because you told libusb that you don't need it
> anymore by calling libusb_exit().
> 
> -- 
> Matthias Bolte
> http://photron.blogspot.com
> 
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