Use wait_event_timeout() instead of custom wait queue code. The
current code uses TASK_INTERRUPTIBLE but only cares about timing
out and the wait queue event taking place (does not actively do
anything in response to signals), so wait_event_timeout() should
be enough.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>