staging: rtl8712: r8712_enqueue_cmd_ex(): Change return type

Change return type of function r8712_enqueue_cmd_ex from u8 to void as
its return value is never stored, checked or otherwise used. Modify
return statements accordingly.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_cmd.c

@@ -163,21 +163,20 @@ void r8712_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *obj)
 	complete(&pcmdpriv->cmd_queue_comp);
 }
 
-u32 r8712_enqueue_cmd_ex(struct cmd_priv *pcmdpriv, struct cmd_obj *obj)
+void r8712_enqueue_cmd_ex(struct cmd_priv *pcmdpriv, struct cmd_obj *obj)
 {
 	unsigned long irqL;
 	struct  __queue *queue;
 
 	if (!obj)
-		return _SUCCESS;
+		return;
 	if (pcmdpriv->padapter->eeprompriv.bautoload_fail_flag)
-		return _FAIL;
+		return;
 	queue = &pcmdpriv->cmd_queue;
 	spin_lock_irqsave(&queue->lock, irqL);
 	list_add_tail(&obj->list, &queue->queue);
 	spin_unlock_irqrestore(&queue->lock, irqL);
 	complete(&pcmdpriv->cmd_queue_comp);
-	return _SUCCESS;
 }
 
 struct cmd_obj *r8712_dequeue_cmd(struct  __queue *queue)

drivers/staging/rtl8712/rtl871x_cmd.h

@@ -80,7 +80,7 @@ do {\
 } while (0)
 
 void r8712_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *obj);
-u32 r8712_enqueue_cmd_ex(struct cmd_priv *pcmdpriv, struct cmd_obj *obj);
+void r8712_enqueue_cmd_ex(struct cmd_priv *pcmdpriv, struct cmd_obj *obj);
 struct cmd_obj *r8712_dequeue_cmd(struct  __queue *queue);
 void r8712_free_cmd_obj(struct cmd_obj *pcmd);
 int r8712_cmd_thread(void *context);