To be future-proof and for better readability the time comparisons are
modified to use time_after() instead of plain, error-prone math.
Signed-off-by: NAsaf Vertz <asaf.vertz@tandemg.com>
Acked-by: NDavid Mosberger <davidm@egauge.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>