staging: rtl8188eu: remove return variable from rtw_pwr_unassociated_idle

Function rtw_pwr_unassociated_idle returns boolean values.
Remove the return variable ret and the exit label to simplify the
function a little bit. Return true or false directly instead.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Link: https://lore.kernel.org/r/20191123151635.155138-3-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_pwrctrl.c

@@ -201,21 +201,17 @@ int ips_leave(struct adapter *padapter)
 static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
 {
 	struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
-	bool ret = false;
 
 	if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies))
-		goto exit;
+		return false;
 
 	if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) ||
 	    check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) ||
 	    check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
 	    check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE))
-		goto exit;
-
-	ret = true;
+		return false;
 
-exit:
-	return ret;
+	return true;
 }
 
 void rtw_ps_processor(struct adapter *padapter)