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commit 01446ef5af upstream.
The access to pending_port was racy when two devices
were being attached at the same time.
Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
TODO: - more discussion about the protocol - testing - review of the userspace interface Please send patches for this code to Greg Kroah-Hartman <greg@kroah.com>