581 	struct privcmd_dm_op_buf kbufs[], unsigned int num,  in lock_pages()  argument
591 			offset_in_page(kbufs[i].uptr) + kbufs[i].size,  in lock_pages()
597 			(unsigned long)kbufs[i].uptr + off * PAGE_SIZE,  in lock_pages()
622 	struct privcmd_dm_op_buf *kbufs;  in privcmd_ioctl_dm_op()  local
643 	kbufs = kcalloc(kdata.num, sizeof(*kbufs), GFP_KERNEL);  in privcmd_ioctl_dm_op()
644 	if (!kbufs)  in privcmd_ioctl_dm_op()
647 	if (copy_from_user(kbufs, kdata.ubufs,  in privcmd_ioctl_dm_op()
648 			   sizeof(*kbufs) * kdata.num)) {  in privcmd_ioctl_dm_op()
654 		if (kbufs[i].size > privcmd_dm_op_buf_max_size) {  in privcmd_ioctl_dm_op()
659 		if (!access_ok(kbufs[i].uptr,  in privcmd_ioctl_dm_op()
660 			       kbufs[i].size)) {  in privcmd_ioctl_dm_op()
666 			offset_in_page(kbufs[i].uptr) + kbufs[i].size,  in privcmd_ioctl_dm_op()
682 	rc = lock_pages(kbufs, kdata.num, pages, nr_pages, &pinned);  in privcmd_ioctl_dm_op()
687 		set_xen_guest_handle(xbufs[i].h, kbufs[i].uptr);  in privcmd_ioctl_dm_op()
688 		xbufs[i].size = kbufs[i].size;  in privcmd_ioctl_dm_op()
699 	kfree(kbufs);  in privcmd_ioctl_dm_op()