staging: wlan-ng: use list_for_each_entry*

Use list_for_each_entry*() instead of list_for_each*() to simplify
the code.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/hfa384x_usb.c

@@ -2810,8 +2810,7 @@ void hfa384x_tx_timeout(wlandevice_t *wlandev)
 static void hfa384x_usbctlx_reaper_task(unsigned long data)
 {
 	hfa384x_t *hw = (hfa384x_t *)data;
-	struct list_head *entry;
-	struct list_head *temp;
+	hfa384x_usbctlx_t *ctlx, *temp;
 	unsigned long flags;
 
 	spin_lock_irqsave(&hw->ctlxq.lock, flags);
@@ -2819,10 +2818,7 @@ static void hfa384x_usbctlx_reaper_task(unsigned long data)
 	/* This list is guaranteed to be empty if someone
 	 * has unplugged the adapter.
 	 */
-	list_for_each_safe(entry, temp, &hw->ctlxq.reapable) {
-		hfa384x_usbctlx_t *ctlx;
-
-		ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+	list_for_each_entry_safe(ctlx, temp, &hw->ctlxq.reapable, list) {
 		list_del(&ctlx->list);
 		kfree(ctlx);
 	}
@@ -2847,8 +2843,7 @@ static void hfa384x_usbctlx_reaper_task(unsigned long data)
 static void hfa384x_usbctlx_completion_task(unsigned long data)
 {
 	hfa384x_t *hw = (hfa384x_t *)data;
-	struct list_head *entry;
-	struct list_head *temp;
+	hfa384x_usbctlx_t *ctlx, *temp;
 	unsigned long flags;
 
 	int reap = 0;
@@ -2858,11 +2853,7 @@ static void hfa384x_usbctlx_completion_task(unsigned long data)
 	/* This list is guaranteed to be empty if someone
 	 * has unplugged the adapter ...
 	 */
-	list_for_each_safe(entry, temp, &hw->ctlxq.completing) {
-		hfa384x_usbctlx_t *ctlx;
-
-		ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
-
+	list_for_each_entry_safe(ctlx, temp, &hw->ctlxq.completing, list) {
 		/* Call the completion function that this
 		 * command was assigned, assuming it has one.
 		 */

drivers/staging/wlan-ng/prism2usb.c

@@ -139,8 +139,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
 	wlandev = (wlandevice_t *)usb_get_intfdata(interface);
 	if (wlandev != NULL) {
 		LIST_HEAD(cleanlist);
-		struct list_head *entry;
-		struct list_head *temp;
+		hfa384x_usbctlx_t *ctlx, *temp;
 		unsigned long flags;
 
 		hfa384x_t *hw = wlandev->priv;
@@ -184,12 +183,8 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
 		 * and tell everyone who is waiting for their
 		 * responses that we have shut down.
 		 */
-		list_for_each(entry, &cleanlist) {
-			hfa384x_usbctlx_t *ctlx;
-
-			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+		list_for_each_entry(ctlx, &cleanlist, list)
 			complete(&ctlx->done);
-		}
 
 		/* Give any outstanding synchronous commands
 		 * a chance to complete. All they need to do
@@ -199,12 +194,8 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
 		msleep(100);
 
 		/* Now delete the CTLXs, because no-one else can now. */
-		list_for_each_safe(entry, temp, &cleanlist) {
-			hfa384x_usbctlx_t *ctlx;
-
-			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+		list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
 			kfree(ctlx);
-		}
 
 		/* Unhook the wlandev */
 		unregister_wlandev(wlandev);