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usbnet: remove usb_get/put_dev in .probe and .disconnect

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usb_device is parent device of usb_interface in the view of driver
model, so its reference count is always held during .probe/.disconnect
of usb_interface instance.

This patch just removes the unnecessay usb_get/put_dev.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
tom.leiming@gmail.com 2012-06-11 15:19:39 +00:00 committed by David S. Miller
parent d0daebc3d6
commit ef9d884dad
1 changed files with 0 additions and 4 deletions
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4
drivers/net/usb/usbnet.c
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@ -1307,7 +1307,6 @@ void usbnet_disconnect (struct usb_interface *intf)
usb_free_urb(dev->interrupt);
free_netdev(net);
usb_put_dev (xdev);
}
EXPORT_SYMBOL_GPL(usbnet_disconnect);
@ -1363,8 +1362,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
xdev = interface_to_usbdev (udev);
interface = udev->cur_altsetting;
usb_get_dev (xdev);
status = -ENOMEM;
// set up our own records
@ -1493,7 +1490,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
out1:
free_netdev(net);
out:
usb_put_dev(xdev);
return status;
}
EXPORT_SYMBOL_GPL(usbnet_probe);