257 static void pwc_isoc_handler(struct urb *urb)  in pwc_isoc_handler()  argument
259 	struct pwc_device *pdev = (struct pwc_device *)urb->context;  in pwc_isoc_handler()
263 	if (urb->status == -ENOENT || urb->status == -ECONNRESET ||  in pwc_isoc_handler()
264 	    urb->status == -ESHUTDOWN) {  in pwc_isoc_handler()
265 		PWC_DEBUG_OPEN("URB (%p) unlinked %ssynchronuously.\n", urb, urb->status == -ENOENT ? "" : "a");  in pwc_isoc_handler()
272 	if (urb->status != 0) {  in pwc_isoc_handler()
276 		switch(urb->status) {  in pwc_isoc_handler()
285 			  urb->status, errmsg);  in pwc_isoc_handler()
308 	for (i = 0; i < urb->number_of_packets; i++) {  in pwc_isoc_handler()
309 		fst  = urb->iso_frame_desc[i].status;  in pwc_isoc_handler()
310 		flen = urb->iso_frame_desc[i].actual_length;  in pwc_isoc_handler()
311 		iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset;  in pwc_isoc_handler()
351 	i = usb_submit_urb(urb, GFP_ATOMIC);  in pwc_isoc_handler()
360 	struct urb *urb;  in pwc_isoc_init()  local
412 		urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);  in pwc_isoc_init()
413 		if (urb == NULL) {  in pwc_isoc_init()
418 		pdev->urbs[i] = urb;  in pwc_isoc_init()
419 		PWC_DEBUG_MEMORY("Allocated URB at 0x%p\n", urb);  in pwc_isoc_init()
421 		urb->interval = 1; // devik  in pwc_isoc_init()
422 		urb->dev = udev;  in pwc_isoc_init()
423 		urb->pipe = usb_rcvisocpipe(udev, pdev->vendpoint);  in pwc_isoc_init()
424 		urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;  in pwc_isoc_init()
425 		urb->transfer_buffer = usb_alloc_coherent(udev,  in pwc_isoc_init()
428 							  &urb->transfer_dma);  in pwc_isoc_init()
429 		if (urb->transfer_buffer == NULL) {  in pwc_isoc_init()
434 		urb->transfer_buffer_length = ISO_BUFFER_SIZE;  in pwc_isoc_init()
435 		urb->complete = pwc_isoc_handler;  in pwc_isoc_init()
436 		urb->context = pdev;  in pwc_isoc_init()
437 		urb->start_frame = 0;  in pwc_isoc_init()
438 		urb->number_of_packets = ISO_FRAMES_PER_DESC;  in pwc_isoc_init()
440 			urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE;  in pwc_isoc_init()
441 			urb->iso_frame_desc[j].length = pdev->vmax_packet_size;  in pwc_isoc_init()