Input: kbtab - simplify kbtab_disconnect()

There is no need to check whether kbtab structure is attached to the
interface; if it isn't and we are called we have much bigger problems.
Also no need to call usb_kill_urb() in kbtab_disconnect() since it
is being called in kbtab_close().

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2010-04-20 22:06:53 -07:00
parent ee7aa6ce41
commit 331cb022d3

View file

@ -193,13 +193,11 @@ static void kbtab_disconnect(struct usb_interface *intf)
struct kbtab *kbtab = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
if (kbtab) {
usb_kill_urb(kbtab->irq);
input_unregister_device(kbtab->dev);
usb_free_urb(kbtab->irq);
usb_buffer_free(interface_to_usbdev(intf), 8, kbtab->data, kbtab->data_dma);
kfree(kbtab);
}
input_unregister_device(kbtab->dev);
usb_free_urb(kbtab->irq);
usb_buffer_free(kbtab->usbdev, 8, kbtab->data, kbtab->data_dma);
kfree(kbtab);
}
static struct usb_driver kbtab_driver = {