91 	struct urb *urb;  member
281 	as->urb = usb_alloc_urb(numisoframes, GFP_KERNEL);  in alloc_async()
282 	if (!as->urb) {  in alloc_async()
296 	for (i = 0; i < as->urb->num_sgs; i++) {  in free_async()
297 		if (sg_page(&as->urb->sg[i]))  in free_async()
298 			kfree(sg_virt(&as->urb->sg[i]));  in free_async()
300 	kfree(as->urb->sg);  in free_async()
301 	kfree(as->urb->transfer_buffer);  in free_async()
302 	kfree(as->urb->setup_packet);  in free_async()
303 	usb_free_urb(as->urb);  in free_async()
401 static void snoop_urb_data(struct urb *urb, unsigned len)  in snoop_urb_data()  argument
408 	if (urb->num_sgs == 0) {  in snoop_urb_data()
410 			urb->transfer_buffer, len, 1);  in snoop_urb_data()
414 	for (i = 0; i < urb->num_sgs && len; i++) {  in snoop_urb_data()
417 			sg_virt(&urb->sg[i]), size, 1);  in snoop_urb_data()
422 static int copy_urb_data_to_user(u8 __user *userbuffer, struct urb *urb)  in copy_urb_data_to_user()  argument
426 	if (urb->number_of_packets > 0)		/* Isochronous */  in copy_urb_data_to_user()
427 		len = urb->transfer_buffer_length;  in copy_urb_data_to_user()
429 		len = urb->actual_length;  in copy_urb_data_to_user()
431 	if (urb->num_sgs == 0) {  in copy_urb_data_to_user()
432 		if (copy_to_user(userbuffer, urb->transfer_buffer, len))  in copy_urb_data_to_user()
437 	for (i = 0; i < urb->num_sgs && len; i++) {  in copy_urb_data_to_user()
439 		if (copy_to_user(userbuffer, sg_virt(&urb->sg[i]), size))  in copy_urb_data_to_user()
455 	struct urb *urb;  in cancel_bulk_urbs()  local
478 			urb = as->urb;  in cancel_bulk_urbs()
479 			usb_get_urb(urb);  in cancel_bulk_urbs()
481 			usb_unlink_urb(urb);  in cancel_bulk_urbs()
482 			usb_put_urb(urb);  in cancel_bulk_urbs()
489 static void async_completed(struct urb *urb)  in async_completed()  argument
491 	struct async *as = urb->context;  in async_completed()
501 	as->status = urb->status;  in async_completed()
513 	snoop(&urb->dev->dev, "urb complete\n");  in async_completed()
514 	snoop_urb(urb->dev, as->userurb, urb->pipe, urb->actual_length,  in async_completed()
516 	if ((urb->transfer_flags & URB_DIR_MASK) == URB_DIR_IN)  in async_completed()
517 		snoop_urb_data(urb, urb->actual_length);  in async_completed()
535 	struct urb *urb;  in destroy_async()  local
543 		urb = as->urb;  in destroy_async()
544 		usb_get_urb(urb);  in destroy_async()
548 		usb_kill_urb(urb);  in destroy_async()
549 		usb_put_urb(urb);  in destroy_async()
987 	ret = usbfs_increase_memory_usage(PAGE_SIZE + sizeof(struct urb) +  in proc_control()
1051 	usbfs_decrease_memory_usage(PAGE_SIZE + sizeof(struct urb) +  in proc_control()
1082 	ret = usbfs_increase_memory_usage(len1 + sizeof(struct urb));  in proc_bulk()
1126 	usbfs_decrease_memory_usage(len1 + sizeof(struct urb));  in proc_bulk()
1442 	u += sizeof(struct async) + sizeof(struct urb) + uurb->buffer_length +  in proc_do_submiturb()
1450 		as->urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist),  in proc_do_submiturb()
1452 		if (!as->urb->sg) {  in proc_do_submiturb()
1456 		as->urb->num_sgs = num_sgs;  in proc_do_submiturb()
1457 		sg_init_table(as->urb->sg, as->urb->num_sgs);  in proc_do_submiturb()
1460 		for (i = 0; i < as->urb->num_sgs; i++) {  in proc_do_submiturb()
1467 			sg_set_buf(&as->urb->sg[i], buf, u);  in proc_do_submiturb()
1479 		as->urb->transfer_buffer = kmalloc(uurb->buffer_length,  in proc_do_submiturb()
1481 		if (!as->urb->transfer_buffer) {  in proc_do_submiturb()
1487 			if (copy_from_user(as->urb->transfer_buffer,  in proc_do_submiturb()
1500 			memset(as->urb->transfer_buffer, 0,  in proc_do_submiturb()
1504 	as->urb->dev = ps->dev;  in proc_do_submiturb()
1505 	as->urb->pipe = (uurb->type << 30) |  in proc_do_submiturb()
1524 	as->urb->transfer_flags = u;  in proc_do_submiturb()
1526 	as->urb->transfer_buffer_length = uurb->buffer_length;  in proc_do_submiturb()
1527 	as->urb->setup_packet = (unsigned char *)dr;  in proc_do_submiturb()
1529 	as->urb->start_frame = uurb->start_frame;  in proc_do_submiturb()
1530 	as->urb->number_of_packets = number_of_packets;  in proc_do_submiturb()
1531 	as->urb->stream_id = stream_id;  in proc_do_submiturb()
1534 		as->urb->interval = 1 << min(15, ep->desc.bInterval - 1);  in proc_do_submiturb()
1536 		as->urb->interval = ep->desc.bInterval;  in proc_do_submiturb()
1537 	as->urb->context = as;  in proc_do_submiturb()
1538 	as->urb->complete = async_completed;  in proc_do_submiturb()
1540 		as->urb->iso_frame_desc[u].offset = totlen;  in proc_do_submiturb()
1541 		as->urb->iso_frame_desc[u].length = isopkt[u].length;  in proc_do_submiturb()
1557 	snoop_urb(ps->dev, as->userurb, as->urb->pipe,  in proc_do_submiturb()
1558 			as->urb->transfer_buffer_length, 0, SUBMIT,  in proc_do_submiturb()
1561 		snoop_urb_data(as->urb, as->urb->transfer_buffer_length);  in proc_do_submiturb()
1590 			ret = usb_submit_urb(as->urb, GFP_ATOMIC);  in proc_do_submiturb()
1593 		ret = usb_submit_urb(as->urb, GFP_KERNEL);  in proc_do_submiturb()
1599 		snoop_urb(ps->dev, as->userurb, as->urb->pipe,  in proc_do_submiturb()
1628 	struct urb *urb;  in proc_unlinkurb()  local
1639 	urb = as->urb;  in proc_unlinkurb()
1640 	usb_get_urb(urb);  in proc_unlinkurb()
1643 	usb_kill_urb(urb);  in proc_unlinkurb()
1644 	usb_put_urb(urb);  in proc_unlinkurb()
1651 	struct urb *urb = as->urb;  in processcompl()  local
1656 	if (as->userbuffer && urb->actual_length) {  in processcompl()
1657 		if (copy_urb_data_to_user(as->userbuffer, urb))  in processcompl()
1662 	if (put_user(urb->actual_length, &userurb->actual_length))  in processcompl()
1664 	if (put_user(urb->error_count, &userurb->error_count))  in processcompl()
1667 	if (usb_endpoint_xfer_isoc(&urb->ep->desc)) {  in processcompl()
1668 		for (i = 0; i < urb->number_of_packets; i++) {  in processcompl()
1669 			if (put_user(urb->iso_frame_desc[i].actual_length,  in processcompl()
1672 			if (put_user(urb->iso_frame_desc[i].status,  in processcompl()
1820 	struct urb *urb = as->urb;  in processcompl_compat()  local
1825 	if (as->userbuffer && urb->actual_length) {  in processcompl_compat()
1826 		if (copy_urb_data_to_user(as->userbuffer, urb))  in processcompl_compat()
1831 	if (put_user(urb->actual_length, &userurb->actual_length))  in processcompl_compat()
1833 	if (put_user(urb->error_count, &userurb->error_count))  in processcompl_compat()
1836 	if (usb_endpoint_xfer_isoc(&urb->ep->desc)) {  in processcompl_compat()
1837 		for (i = 0; i < urb->number_of_packets; i++) {  in processcompl_compat()
1838 			if (put_user(urb->iso_frame_desc[i].actual_length,  in processcompl_compat()
1841 			if (put_user(urb->iso_frame_desc[i].status,  in processcompl_compat()