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authorH Hartley Sweeten <hsweeten@visionengravers.com>2013-02-05 17:18:04 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-02-05 18:07:09 -0800
commit9377b9234f159773a53c7277559cc24397dd9803 (patch)
tree53e0ad1eccce6278481e558cbd8f21c735892b7a
parent07b502f50bfc290222fe4032501619a44bbd777e (diff)
downloadop-kernel-dev-9377b9234f159773a53c7277559cc24397dd9803.zip
op-kernel-dev-9377b9234f159773a53c7277559cc24397dd9803.tar.gz
staging: comedi: vmk80xx: move usb_driver (*disconnect) code
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>
-rw-r--r--drivers/staging/comedi/drivers/vmk80xx.c49
1 files changed, 20 insertions, 29 deletions
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index f5a999c..8cd4971 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -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[] = {
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