usb/kvaser_usb/kvaser_usb_core.c

262 static void kvaser_usb_send_cmd_callback(struct urb *urb)
264 	struct net_device *netdev = urb->context;
266 	kfree(urb->transfer_buffer);
268 	if (urb->status)
269 		netdev_warn(netdev, "urb status received: %d\n", urb->status);
277 	struct urb *urb;
280 	urb = usb_alloc_urb(0, GFP_ATOMIC);
281 	if (!urb)
284 	usb_fill_bulk_urb(urb, dev->udev,
288 	usb_anchor_urb(urb, &priv->tx_submitted);
290 	err = usb_submit_urb(urb, GFP_ATOMIC);
293 		usb_unanchor_urb(urb);
295 	usb_free_urb(urb);
324 static void kvaser_usb_read_bulk_callback(struct urb *urb)
326 	struct kvaser_usb *dev = urb->context;
331 	switch (urb->status) {
340 		dev_info(&dev->intf->dev, "Rx URB aborted (%d)\n", urb->status);
344 	ops->dev_read_bulk_callback(dev, urb->transfer_buffer,
345 				    urb->actual_length);
348 	usb_fill_bulk_urb(urb, dev->udev,
351 			  urb->transfer_buffer, KVASER_USB_RX_BUFFER_SIZE,
354 	err = usb_submit_urb(urb, GFP_ATOMIC);
364 			"Failed resubmitting read bulk urb: %d\n", err);
376 		struct urb *urb = NULL;
380 		urb = usb_alloc_urb(0, GFP_KERNEL);
381 		if (!urb) {
391 			usb_free_urb(urb);
396 		usb_fill_bulk_urb(urb, dev->udev,
402 		urb->transfer_dma = buf_dma;
403 		urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
404 		usb_anchor_urb(urb, &dev->rx_submitted);
406 		err = usb_submit_urb(urb, GFP_KERNEL);
408 			usb_unanchor_urb(urb);
412 			usb_free_urb(urb);
419 		usb_free_urb(urb);
621 static void kvaser_usb_write_bulk_callback(struct urb *urb)
623 	struct kvaser_usb_tx_urb_context *context = urb->context;
633 	kfree(urb->transfer_buffer);
638 	if (urb->status)
639 		netdev_info(netdev, "Tx URB aborted (%d)\n", urb->status);
650 	struct urb *urb;
660 	urb = usb_alloc_urb(0, GFP_ATOMIC);
661 	if (!urb) {
708 	usb_fill_bulk_urb(urb, dev->udev,
713 	usb_anchor_urb(urb, &priv->tx_submitted);
715 	err = usb_submit_urb(urb, GFP_ATOMIC);
726 		usb_unanchor_urb(urb);
742 	usb_free_urb(urb);