commit fe2f17eb upstream.

wait_event_timeout can return 0 or the remaining jiffies
so return -ETIME if disconnected state not reached.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>