From: Antonio Ospite <ao2@ao2.it>
Date: Mon, 20 Apr 2015 15:09:19 +0000 (+0200)
Subject: am7xxx: check the return value of libusb_get_configuration()
X-Git-Tag: v0.1.6~27
X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/2bb4878fcc5ccc152634087f0aa13ab1eec56de0?hp=2bb4878fcc5ccc152634087f0aa13ab1eec56de0

am7xxx: check the return value of libusb_get_configuration()

libusb_get_configuration() can still fail after the device has been
opened, so check its actual return value before trusting the returned
current_configuration.
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