a + (unsigned long)log_base > ULONG_MAX)
return false;
- return access_ok(VERIFY_WRITE, log_base + a,
+ return access_ok(log_base + a,
(sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);
}
return false;
- if (!access_ok(VERIFY_WRITE, (void __user *)a,
+ if (!access_ok((void __user *)a,
node->size))
return false;
else if (log_all && !log_access_ok(log_base,
return false;
if ((access & VHOST_ACCESS_RO) &&
- !access_ok(VERIFY_READ, (void __user *)a, size))
+ !access_ok((void __user *)a, size))
return false;
if ((access & VHOST_ACCESS_WO) &&
- !access_ok(VERIFY_WRITE, (void __user *)a, size))
+ !access_ok((void __user *)a, size))
return false;
return true;
}
{
size_t s = vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0;
- return access_ok(VERIFY_READ, desc, num * sizeof *desc) &&
- access_ok(VERIFY_READ, avail,
+ return access_ok(desc, num * sizeof *desc) &&
+ access_ok(avail,
sizeof *avail + num * sizeof *avail->ring + s) &&
- access_ok(VERIFY_WRITE, used,
+ access_ok(used,
sizeof *used + num * sizeof *used->ring + s);
}
goto err;
vq->signalled_used_valid = false;
if (!vq->iotlb &&
- !access_ok(VERIFY_READ, &vq->used->idx, sizeof vq->used->idx)) {
+ !access_ok(&vq->used->idx, sizeof vq->used->idx)) {
r = -EFAULT;
goto err;
}