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>

diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index 76b5d52..3f7d125 100644 (file)
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -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 = {