K 10
svn:author
V 8
hselasky
K 8
svn:date
V 27
2019-06-04T16:40:18.202512Z
K 7
svn:log
V 316
In usb(4) fix a lost completion event issue towards libusb(3). It may happen
if a USB transfer is cancelled that we need to fake a completion event.
Implement missing support in ugen_fs_copy_out() to handle this.

This fixes issues with webcamd(8) and firefox.

MFC after:	3 days
Sponsored by:	Mellanox Technologies

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