diff options
| -rw-r--r-- | drivers/staging/rtl8192e/rtl8192e/rtl_ps.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c index 0bbffec0c2ae..840dda962f90 100644 --- 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); |