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path: root/drivers/vhost/vhost.c
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Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 55e5aa662ad5..9f7942cbcbb2 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -655,7 +655,7 @@ static bool log_access_ok(void __user *log_base, u64 addr, unsigned long sz)
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);
}
@@ -681,7 +681,7 @@ static bool vq_memory_access_ok(void __user *log_base, struct vhost_umem *umem,
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,
@@ -973,10 +973,10 @@ static bool umem_access_ok(u64 uaddr, u64 size, int access)
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;
}
@@ -1185,10 +1185,10 @@ static bool vq_access_ok(struct vhost_virtqueue *vq, unsigned int num,
{
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);
}
@@ -1814,7 +1814,7 @@ int vhost_vq_init_access(struct vhost_virtqueue *vq)
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;
}