85 	unsigned long tmp, acct_len = iov->iov_len + (PAGE_SIZE - 1);  in io_buffer_validate()
93 		return iov->iov_len ? -EFAULT : 0;  in io_buffer_validate()
94 	if (!iov->iov_len)  in io_buffer_validate()
98 	if (iov->iov_len > SZ_1G)  in io_buffer_validate()
793 	pages = io_pin_pages((unsigned long) iov->iov_base, iov->iov_len,  in io_sqe_buffer_register()
818 	size = iov->iov_len;  in io_sqe_buffer_register()
821 	imu->len = iov->iov_len;  in io_sqe_buffer_register()
1334 		size_t iov_len = iovec[iov_idx].iov_len;  in io_vec_fill_bvec()  local
1340 		ret = validate_fixed_range(buf_addr, iov_len, imu);  in io_vec_fill_bvec()
1344 		if (unlikely(!iov_len))  in io_vec_fill_bvec()
1346 		if (unlikely(check_add_overflow(total_len, iov_len, &total_len)))  in io_vec_fill_bvec()
1354 		for (; iov_len; offset = 0, bvec_idx++, src_bvec++) {  in io_vec_fill_bvec()
1355 			size_t seg_size = min_t(size_t, iov_len,  in io_vec_fill_bvec()
1360 			iov_len -= seg_size;  in io_vec_fill_bvec()
1378 		max_segs += (iov[i].iov_len >> shift) + 2;  in io_estimate_bvec_size()
1395 		size_t iov_len = iovec[iov_idx].iov_len;  in io_vec_fill_kern_bvec()  local
1397 			.bi_size        = offset + iov_len,  in io_vec_fill_kern_bvec()
1404 		total_len += iov_len;  in io_vec_fill_kern_bvec()
1420 	ret = validate_fixed_range(offset, iov->iov_len, imu);  in iov_kern_bvec_size()
1424 	for (i = 0; off < offset + iov->iov_len && i < imu->nr_bvecs;  in iov_kern_bvec_size()
1443 		if (unlikely(!iov[i].iov_len))  in io_kern_bvec_size()
1445 		if (unlikely(check_add_overflow(total_len, iov[i].iov_len,  in io_kern_bvec_size()