staging: rtl8188eu: use time_before/time_after and change type of ips_deny_time

To be future-proof and for better readability the time comparisons are
modified to use time_before/_after() instead of plain, error-prone math.
To suppress compiler warnings the type of ips_deny_time was changed.

Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
index f658373..eaf2630 100644 (file)
--- a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
+++ b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
@@ -122,7 +122,7 @@ static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
 
        bool ret = false;
 
-       if (adapter->pwrctrlpriv.ips_deny_time >= jiffies)
+       if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies))
                goto exit;
 
        if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) ||
@@ -523,9 +523,11 @@ int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *cal
 {
        struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+       unsigned long expires;
        int ret = _SUCCESS;
 
-       if (pwrpriv->ips_deny_time < jiffies + rtw_ms_to_systime(ips_deffer_ms))
+       expires = jiffies + rtw_ms_to_systime(ips_deffer_ms);
+       if (time_before(pwrpriv->ips_deny_time, expires))
                pwrpriv->ips_deny_time = jiffies + rtw_ms_to_systime(ips_deffer_ms);
 
 {
@@ -580,7 +582,8 @@ int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *cal
        }
 
 exit:
-       if (pwrpriv->ips_deny_time < jiffies + rtw_ms_to_systime(ips_deffer_ms))
+       expires = jiffies + rtw_ms_to_systime(ips_deffer_ms);
+       if (time_before(pwrpriv->ips_deny_time, expires))
                pwrpriv->ips_deny_time = jiffies + rtw_ms_to_systime(ips_deffer_ms);
        return ret;
 }

diff --git a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
index 9a42859..4211023 100644 (file)
--- a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
@@ -192,7 +192,7 @@ struct pwrctrl_priv {
        u8      ips_mode_req;   /*  used to accept the mode setting request,
                                 *  will update to ipsmode later */
        uint bips_processing;
-       u32 ips_deny_time; /* will deny IPS when system time less than this */
+       unsigned long ips_deny_time; /* will deny IPS when system time less than this */
        u8 ps_processing; /* temp used to mark whether in rtw_ps_processor */
 
        u8      bLeisurePs;