staging: vt6656: make pControlURB available life time of driver.

There is no need remove and add the control urb in device open/close.

Move to the probe and disconnect. This make the USB control in/out
functions always available to driver.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index e5add18..0de2156 100644 (file)
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -707,6 +707,12 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
        INIT_WORK(&pDevice->read_work_item, RXvWorkItem);
        INIT_WORK(&pDevice->rx_mng_work_item, RXvMngWorkItem);
 
+       pDevice->pControlURB = usb_alloc_urb(0, GFP_ATOMIC);
+       if (!pDevice->pControlURB) {
+               DBG_PRT(MSG_LEVEL_ERR, KERN_ERR"Failed to alloc control urb\n");
+               goto err_nomem;
+       }
+
        pDevice->tx_80211 = device_dma0_tx_80211;
        pDevice->vnt_mgmt.pAdapter = (void *) pDevice;
 
@@ -853,23 +859,15 @@ static bool device_alloc_bufs(struct vnt_private *pDevice)
         pRCB++;
     }
 
-       pDevice->pControlURB = usb_alloc_urb(0, GFP_ATOMIC);
-       if (pDevice->pControlURB == NULL) {
-           DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc control urb\n");
-           goto free_rx_tx;
-       }
-
        pDevice->pInterruptURB = usb_alloc_urb(0, GFP_ATOMIC);
        if (pDevice->pInterruptURB == NULL) {
            DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int urb\n");
-           usb_free_urb(pDevice->pControlURB);
            goto free_rx_tx;
        }
 
     pDevice->intBuf.pDataBuf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL);
        if (pDevice->intBuf.pDataBuf == NULL) {
            DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int buf\n");
-           usb_free_urb(pDevice->pControlURB);
            usb_free_urb(pDevice->pInterruptURB);
            goto free_rx_tx;
        }
@@ -1040,9 +1038,7 @@ free_rx_tx:
     device_free_rx_bufs(pDevice);
     device_free_tx_bufs(pDevice);
     device_free_int_bufs(pDevice);
-       usb_kill_urb(pDevice->pControlURB);
        usb_kill_urb(pDevice->pInterruptURB);
-    usb_free_urb(pDevice->pControlURB);
     usb_free_urb(pDevice->pInterruptURB);
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_open fail.. \n");
@@ -1113,9 +1109,7 @@ static int device_close(struct net_device *dev)
     device_free_int_bufs(pDevice);
     device_free_frag_bufs(pDevice);
 
-       usb_kill_urb(pDevice->pControlURB);
        usb_kill_urb(pDevice->pInterruptURB);
-    usb_free_urb(pDevice->pControlURB);
     usb_free_urb(pDevice->pInterruptURB);
 
     BSSvClearNodeDBTable(pDevice, 0);
@@ -1139,9 +1133,12 @@ static void vt6656_disconnect(struct usb_interface *intf)
 
        if (device->dev) {
                unregister_netdev(device->dev);
+
+               usb_kill_urb(device->pControlURB);
+               usb_free_urb(device->pControlURB);
+
                free_netdev(device->dev);
        }
-
 }
 
 static int device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev)