kinect_upload_fw: make libusb initialization more robust
authorAntonio Ospite <ao2@ao2.it>
Tue, 5 Jan 2016 22:41:07 +0000 (23:41 +0100)
committerAntonio Ospite <ao2@ao2.it>
Thu, 7 Jan 2016 16:28:56 +0000 (17:28 +0100)
Check the return values of all the libusb functions.

Also return more sensible values when ret is not immediately useful.


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