staging: rtl8192u: use to_delayed_work

Use to_delayed_work() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c

@@ -487,7 +487,7 @@ EXPORT_SYMBOL(ieee80211_softmac_scan_syncro);
 
 static void ieee80211_softmac_scan_wq(struct work_struct *work)
 {
-	struct delayed_work *dwork = container_of(work, struct delayed_work, work);
+	struct delayed_work *dwork = to_delayed_work(work);
 	struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq);
 	static short watchdog;
 	u8 channel_map[MAX_CHANNEL_NUMBER+1];
@@ -2330,7 +2330,7 @@ static void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
 static void ieee80211_start_ibss_wq(struct work_struct *work)
 {
 
-	struct delayed_work *dwork = container_of(work, struct delayed_work, work);
+	struct delayed_work *dwork = to_delayed_work(work);
 	struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
 	/* iwconfig mode ad-hoc will schedule this and return
 	 * on the other hand this will block further iwconfig SET
@@ -2504,7 +2504,7 @@ EXPORT_SYMBOL(ieee80211_disassociate);
 
 static void ieee80211_associate_retry_wq(struct work_struct *work)
 {
-	struct delayed_work *dwork = container_of(work, struct delayed_work, work);
+	struct delayed_work *dwork = to_delayed_work(work);
 	struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq);
 	unsigned long flags;
 

drivers/staging/rtl8192u/r8192U_core.c

@@ -3436,8 +3436,7 @@ static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
 
 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
 {
-	struct delayed_work *dwork = container_of(work,
-						  struct delayed_work, work);
+	struct delayed_work *dwork = to_delayed_work(work);
 	struct r8192_priv *priv = container_of(dwork,
 					       struct r8192_priv, watch_dog_wq);
 	struct net_device *dev = priv->ieee80211->dev;

drivers/staging/rtl8192u/r8192U_dm.c

@@ -767,7 +767,7 @@ static void dm_TXPowerTrackingCallback_ThermalMeter(struct net_device *dev)
 
 void dm_txpower_trackingcallback(struct work_struct *work)
 {
-	struct delayed_work *dwork = container_of(work, struct delayed_work, work);
+	struct delayed_work *dwork = to_delayed_work(work);
 	struct r8192_priv *priv = container_of(dwork, struct r8192_priv, txpower_tracking_wq);
 	struct net_device *dev = priv->ieee80211->dev;
 
@@ -2412,7 +2412,7 @@ static	void	dm_check_pbc_gpio(struct net_device *dev)
  *---------------------------------------------------------------------------*/
 void dm_rf_pathcheck_workitemcallback(struct work_struct *work)
 {
-	struct delayed_work *dwork = container_of(work, struct delayed_work, work);
+	struct delayed_work *dwork = to_delayed_work(work);
 	struct r8192_priv *priv = container_of(dwork, struct r8192_priv, rfpath_check_wq);
 	struct net_device *dev = priv->ieee80211->dev;
 	/*bool bactually_set = false;*/

drivers/staging/rtl8192u/r819xU_phy.c

@@ -1683,8 +1683,7 @@ void InitialGain819xUsb(struct net_device *dev,	u8 Operation)
 
 void InitialGainOperateWorkItemCallBack(struct work_struct *work)
 {
-	struct delayed_work *dwork = container_of(work, struct delayed_work,
-						  work);
+	struct delayed_work *dwork = to_delayed_work(work);
 	struct r8192_priv *priv = container_of(dwork, struct r8192_priv,
 					       initialgain_operate_wq);
 	struct net_device *dev = priv->ieee80211->dev;