vhost: Fix vhost_copy_to_user()

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[ Upstream commit 7ced6c98c7 ]

vhost_copy_to_user is used to copy vring used elements to userspace.
We should use VHOST_ADDR_USED instead of VHOST_ADDR_DESC.

Fixes: f889491380 ("vhost: introduce O(1) vq metadata cache")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Eric Auger 2018-04-11 15:30:38 +02:00 • committed by Greg Kroah-Hartman

parent e240ffd5a3

commit 2ea541eb40

1 changed files with 1 additions and 1 deletions

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drivers/vhost/vhost.c

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