[PATCH: usbatm_15_05_05] usbatm_usb_probe() bugfix.

[Stanislaw W. Gruszka]

> Hi Staszek Gruszka, it is initialized to NULL by usb_alloc_urb;
> calling kfree (NULL) is fine, it doesn't do anything.
Right.
-- 
Staszek Gruszka