Looks like the error path had a copy-paste error. The normal exit path
uses correct URB already.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
                                usblp->writebuf, usblp->writeurb->transfer_dma);
                if (usblp->readbuf)
                        usb_buffer_free (usblp->dev, USBLP_BUF_SIZE,
-                               usblp->readbuf, usblp->writeurb->transfer_dma);
+                               usblp->readbuf, usblp->readurb->transfer_dma);
                kfree(usblp->statusbuf);
                kfree(usblp->device_id_string);
                usb_free_urb(usblp->writeurb);