staging: comedi: vmk80xx: move usb_driver (*disconnect) code
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Wed, 6 Feb 2013 00:18:04 +0000 (17:18 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 6 Feb 2013 02:07:09 +0000 (18:07 -0800)
The usb_driver (*disconnect) in this driver calls the comedi core
comedi_usb_auto_unconfig() which calls the comedi_driver (*detach).

Move the code in the (*disconnect) to the (*detach) to get all the
disconnect/detach in one place.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/vmk80xx.c

index f5a999c607638f146d035e08f28f196d9eff664b..8cd49715581a904e9e2009a89d202c65dbd28bcd 100644 (file)
@@ -1214,12 +1214,26 @@ static void vmk80xx_detach(struct comedi_device *dev)
 {
        struct vmk80xx_usb *usb = dev->private;
 
-       if (usb) {
-               down(&usb->limit_sem);
-               dev->private = NULL;
-               usb->attached = 0;
-               up(&usb->limit_sem);
-       }
+       if (!usb)
+               return;
+
+       mutex_lock(&glb_mutex);
+       down(&usb->limit_sem);
+
+       dev->private = NULL;
+
+       usb->attached = 0;
+       usb->probed = 0;
+       usb_set_intfdata(usb->intf, NULL);
+
+       usb_kill_anchored_urbs(&usb->rx_anchor);
+       usb_kill_anchored_urbs(&usb->tx_anchor);
+
+       kfree(usb->usb_rx_buf);
+       kfree(usb->usb_tx_buf);
+
+       up(&usb->limit_sem);
+       mutex_unlock(&glb_mutex);
 }
 
 static struct comedi_driver vmk80xx_driver = {
@@ -1382,30 +1396,7 @@ error:
 
 static void vmk80xx_usb_disconnect(struct usb_interface *intf)
 {
-       struct vmk80xx_usb *dev = usb_get_intfdata(intf);
-
-       if (!dev)
-               return;
-
        comedi_usb_auto_unconfig(intf);
-
-       mutex_lock(&glb_mutex);
-       down(&dev->limit_sem);
-
-       dev->probed = 0;
-       usb_set_intfdata(dev->intf, NULL);
-
-       usb_kill_anchored_urbs(&dev->rx_anchor);
-       usb_kill_anchored_urbs(&dev->tx_anchor);
-
-       kfree(dev->usb_rx_buf);
-       kfree(dev->usb_tx_buf);
-
-       dev_info(&intf->dev, "board #%d [%s] now detached\n",
-                dev->count, dev->board.name);
-
-       up(&dev->limit_sem);
-       mutex_unlock(&glb_mutex);
 }
 
 static const struct usb_device_id vmk80xx_usb_id_table[] = {