staging: rtl8192e: use time_before() macro

This patch replaces the condition check for time elapsed with a
simplified time_before() macro

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
index 840dda962f903c2f7542d8e8c66c1feb5efbd756..386ae0c5f2531b2cc1bee21b07cdef9e59fd01e7 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
@@ -100,7 +100,8 @@ void rtl8192_hw_to_sleep(struct net_device *dev, u64 time)
 
        time -= msecs_to_jiffies(8 + 16 + 7);
 
-       if ((time - jiffies) <= msecs_to_jiffies(MIN_SLEEP_TIME)) {
+       timeout = jiffies + msecs_to_jiffies(MIN_SLEEP_TIME);
+       if (time_before((unsigned long)time,timeout)) {
                spin_unlock_irqrestore(&priv->ps_lock, flags);
                netdev_info(dev, "too short to sleep::%lld < %ld\n",
                            time - jiffies, msecs_to_jiffies(MIN_SLEEP_TIME));