__copy_in_user   1749 fs/compat_ioctl.c 	if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8)))
__copy_in_user   1751 fs/compat_ioctl.c 	if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32)))