598 	const void __user *usr_data, *usr_oob;  in mtdchar_write_ioctl()  local
607 	usr_data = (const void __user *)(uintptr_t)req.usr_data;  in mtdchar_write_ioctl()
613 	if (!usr_data)  in mtdchar_write_ioctl()
641 	while (req.len > 0 || (!usr_data && req.ooblen > 0)) {  in mtdchar_write_ioctl()
668 		if (copy_from_user(datbuf, usr_data, ops.len) ||  in mtdchar_write_ioctl()
680 		usr_data += ops.retlen;  in mtdchar_write_ioctl()
697 	void __user *usr_data, *usr_oob;  in mtdchar_read_ioctl()  local
710 	usr_data = (void __user *)(uintptr_t)req.usr_data;  in mtdchar_read_ioctl()
716 	if (!usr_data)  in mtdchar_read_ioctl()
752 	while (req.len > 0 || (!usr_data && req.ooblen > 0)) {  in mtdchar_read_ioctl()
784 		if (copy_to_user(usr_data, ops.datbuf, ops.retlen) ||  in mtdchar_read_ioctl()
792 		usr_data += ops.retlen;  in mtdchar_read_ioctl()