usb-linux: track inflight iso urb count
commit82887262569d9222befadb6a98bf364beae30a7e
authorGerd Hoffmann <kraxel@redhat.com>
Fri, 10 Jun 2011 12:00:24 +0000 (10 14:00 +0200)
committerGerd Hoffmann <kraxel@redhat.com>
Thu, 23 Jun 2011 08:18:37 +0000 (23 10:18 +0200)
tree0165f96832e5724550efab71dba3cbf83ec1f3c8
parentb81bcd8aa0f5d16e5590fdc4cf6561b57adab931
usb-linux: track inflight iso urb count

Track the number of iso urbs which are currently in flight.
Log a message in case the count goes down to zero.  Also
warn in case many urbs are returned at the same time.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
usb-linux.c