1583 find_memory_area(struct usb_dev_state *ps, const struct usbdevfs_urb *uurb)  in find_memory_area()  argument
1587 	unsigned long uurb_start = (unsigned long)uurb->buffer;  in find_memory_area()
1593 			if (uurb->buffer_length > iter->vm_start + iter->size -  in find_memory_area()
1607 static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb,  in proc_do_submiturb()  argument
1629 	if (uurb->type == USBDEVFS_URB_TYPE_ISO)  in proc_do_submiturb()
1632 	if (uurb->flags & ~mask)  in proc_do_submiturb()
1635 	if ((unsigned int)uurb->buffer_length >= USBFS_XFER_MAX)  in proc_do_submiturb()
1637 	if (uurb->buffer_length > 0 && !uurb->buffer)  in proc_do_submiturb()
1639 	if (!(uurb->type == USBDEVFS_URB_TYPE_CONTROL &&  in proc_do_submiturb()
1640 	    (uurb->endpoint & ~USB_ENDPOINT_DIR_MASK) == 0)) {  in proc_do_submiturb()
1641 		ifnum = findintfep(ps->dev, uurb->endpoint);  in proc_do_submiturb()
1648 	ep = ep_to_host_endpoint(ps->dev, uurb->endpoint);  in proc_do_submiturb()
1651 	is_in = (uurb->endpoint & USB_ENDPOINT_DIR_MASK) != 0;  in proc_do_submiturb()
1654 	switch (uurb->type) {  in proc_do_submiturb()
1659 		if (uurb->buffer_length < 8)  in proc_do_submiturb()
1664 		if (copy_from_user(dr, uurb->buffer, 8)) {  in proc_do_submiturb()
1668 		if (uurb->buffer_length < (le16_to_cpu(dr->wLength) + 8)) {  in proc_do_submiturb()
1676 		uurb->buffer_length = le16_to_cpu(dr->wLength);  in proc_do_submiturb()
1677 		uurb->buffer += 8;  in proc_do_submiturb()
1678 		if ((dr->bRequestType & USB_DIR_IN) && uurb->buffer_length) {  in proc_do_submiturb()
1680 			uurb->endpoint |= USB_DIR_IN;  in proc_do_submiturb()
1683 			uurb->endpoint &= ~USB_DIR_IN;  in proc_do_submiturb()
1708 			uurb->type = USBDEVFS_URB_TYPE_INTERRUPT;  in proc_do_submiturb()
1711 		num_sgs = DIV_ROUND_UP(uurb->buffer_length, USB_SG_SIZE);  in proc_do_submiturb()
1715 			stream_id = uurb->stream_id;  in proc_do_submiturb()
1730 		if (uurb->number_of_packets < 1 ||  in proc_do_submiturb()
1731 		    uurb->number_of_packets > 128)  in proc_do_submiturb()
1735 		number_of_packets = uurb->number_of_packets;  in proc_do_submiturb()
1756 		uurb->buffer_length = totlen;  in proc_do_submiturb()
1763 	if (uurb->buffer_length > 0 &&  in proc_do_submiturb()
1764 			!access_ok(uurb->buffer, uurb->buffer_length)) {  in proc_do_submiturb()
1774 	as->usbm = find_memory_area(ps, uurb);  in proc_do_submiturb()
1788 	     (as->usbm ? 0 : uurb->buffer_length) +  in proc_do_submiturb()
1806 		totlen = uurb->buffer_length;  in proc_do_submiturb()
1817 				if (copy_from_user(buf, uurb->buffer, u)) {  in proc_do_submiturb()
1821 				uurb->buffer += u;  in proc_do_submiturb()
1825 	} else if (uurb->buffer_length > 0) {  in proc_do_submiturb()
1827 			unsigned long uurb_start = (unsigned long)uurb->buffer;  in proc_do_submiturb()
1832 			as->urb->transfer_buffer = kmalloc(uurb->buffer_length,  in proc_do_submiturb()
1840 						   uurb->buffer,  in proc_do_submiturb()
1841 						   uurb->buffer_length)) {  in proc_do_submiturb()
1845 			} else if (uurb->type == USBDEVFS_URB_TYPE_ISO) {  in proc_do_submiturb()
1853 						uurb->buffer_length);  in proc_do_submiturb()
1858 	as->urb->pipe = (uurb->type << 30) |  in proc_do_submiturb()
1859 			__create_pipe(ps->dev, uurb->endpoint & 0xf) |  in proc_do_submiturb()
1860 			(uurb->endpoint & USB_DIR_IN);  in proc_do_submiturb()
1867 	if (uurb->flags & USBDEVFS_URB_ISO_ASAP)  in proc_do_submiturb()
1869 	if (allow_short && uurb->flags & USBDEVFS_URB_SHORT_NOT_OK)  in proc_do_submiturb()
1871 	if (allow_zero && uurb->flags & USBDEVFS_URB_ZERO_PACKET)  in proc_do_submiturb()
1873 	if (uurb->flags & USBDEVFS_URB_NO_INTERRUPT)  in proc_do_submiturb()
1877 	if (!allow_short && uurb->flags & USBDEVFS_URB_SHORT_NOT_OK)  in proc_do_submiturb()
1879 	if (!allow_zero && uurb->flags & USBDEVFS_URB_ZERO_PACKET)  in proc_do_submiturb()
1882 	as->urb->transfer_buffer_length = uurb->buffer_length;  in proc_do_submiturb()
1885 	as->urb->start_frame = uurb->start_frame;  in proc_do_submiturb()
1890 		if (uurb->type == USBDEVFS_URB_TYPE_ISO ||  in proc_do_submiturb()
1912 		unsigned long uurb_start = (unsigned long)uurb->buffer;  in proc_do_submiturb()
1917 	} else if (is_in && uurb->buffer_length > 0)  in proc_do_submiturb()
1918 		as->userbuffer = uurb->buffer;  in proc_do_submiturb()
1919 	as->signr = uurb->signr;  in proc_do_submiturb()
1945 		if (uurb->flags & USBDEVFS_URB_BULK_CONTINUATION)  in proc_do_submiturb()
1982 	struct usbdevfs_urb uurb;  in proc_submiturb()  local
1985 	if (copy_from_user(&uurb, arg, sizeof(uurb)))  in proc_submiturb()
1991 	return proc_do_submiturb(ps, &uurb,  in proc_submiturb()
2166 		     struct usbdevfs_urb32 __user *uurb)  in get_urb32()  argument
2169 	if (copy_from_user(&urb32, uurb, sizeof(*uurb)))  in get_urb32()
2188 	struct usbdevfs_urb uurb;  in proc_submiturb_compat()  local
2191 	if (get_urb32(&uurb, (struct usbdevfs_urb32 __user *)arg))  in proc_submiturb_compat()
2197 	return proc_do_submiturb(ps, &uurb,  in proc_submiturb_compat()