This bug was fixed in the package ccid - 1.4.22-1ubuntu0.1
--------------- ccid (1.4.22-1ubuntu0.1) xenial-proposed; urgency=low
* debian/patches/close-libusb-on-failure.patch: Make sure close_libusb_if_needed is called even if no device was opened, otherwise it triggers a segfault. (LP: #1551897)
-- Evan Broder <email address hidden> Mon, 09 May 2016 12:28:36 -0700
This bug was fixed in the package ccid - 1.4.22-1ubuntu0.1
---------------
ccid (1.4.22-1ubuntu0.1) xenial-proposed; urgency=low
* debian/ patches/ close-libusb- on-failure. patch: Make sure libusb_ if_needed is called even if no device was opened,
close_
otherwise it triggers a segfault. (LP: #1551897)
-- Evan Broder <email address hidden> Mon, 09 May 2016 12:28:36 -0700