From: Antonio Ospite <ao2@ao2.it>
Date: Wed, 10 Jun 2015 09:13:04 +0000 (+0200)
Subject: Misc libusb cleanups
X-Git-Url: https://git.ao2.it/visomat-utils.git/commitdiff_plain/f7a9b92e7107a03a92e64a7091f0dea908210cda?ds=sidebyside;hp=f7a9b92e7107a03a92e64a7091f0dea908210cda

Misc libusb cleanups

Use symbolic constants, check return values, auto detach the kernel
driver, release the interface.
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