On Fr, 2014-09-12 at 21:24 +0200, Markus Armbruster wrote: > usb_msd_init() calls qemu_opts_create() with a made-up ID and false > fail_if_exists. If the ID already exists, it happily messes up those > options, then fails drive_new(), because the BlockDriverState with > that ID already exists, too. > > Reproducer: -drive if=none,id=usb0,format=raw -usbdevice disk:tmp.qcow2 > > Pass true fail_if_exists to qemu_opts_create(), and if it fails, try > the next made-up ID. > > The reproducer now succeeds, and creates an usb-storage device with ID > usb1. > > Signed-off-by: Markus Armbruster <arm...@redhat.com>
Added to usb patch queue. thanks, Gerd
