staging: rtl8192e: Use time_after macro

This patch replaces a condition check for time elapsed with a
simple time_after 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 0bbffec0c2ae2eca8f49c05fa21d8cc4f1a8adbd..840dda962f903c2f7542d8e8c66c1feb5efbd756 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
@@ -28,6 +28,7 @@
 #include "r8192E_phyreg.h"
 #include "r8190P_rtl8256.h" /* RTL8225 Radio frontend */
 #include "r8192E_cmdpkt.h"
+#include <linux/jiffies.h>
 
 static void rtl8192_hw_sleep_down(struct net_device *dev)
 {
@@ -93,6 +94,7 @@ void rtl8192_hw_to_sleep(struct net_device *dev, u64 time)
 
        u32 tmp;
        unsigned long flags;
+       unsigned long timeout;
 
        spin_lock_irqsave(&priv->ps_lock, flags);
 
@@ -104,8 +106,8 @@ void rtl8192_hw_to_sleep(struct net_device *dev, u64 time)
                            time - jiffies, msecs_to_jiffies(MIN_SLEEP_TIME));
                return;
        }
-
-       if ((time - jiffies) > msecs_to_jiffies(MAX_SLEEP_TIME)) {
+       timeout = jiffies + msecs_to_jiffies(MAX_SLEEP_TIME);
+       if (time_after((unsigned long)time, timeout)) {
                netdev_info(dev, "========>too long to sleep:%lld > %ld\n",
                            time - jiffies, msecs_to_jiffies(MAX_SLEEP_TIME));
                spin_unlock_irqrestore(&priv->ps_lock, flags);