Sync usb transfer unrefs
Partially revert changes for commit a855c0cc as usb sync transfers ownership isn't stolen by submit, so fix the leaks I've introduced.
But also fix leaks we had in synaptics in case of probing errors.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Partially revert changes for commit a855c0cc as usb sync transfers ownership isn't stolen by submit, so fix the leaks I've introduced.
But also fix leaks we had in synaptics in case of probing errors.