]> asedeno.scripts.mit.edu Git - linux.git/commit
vhost: Fix vhost_copy_to_user()
authorEric Auger <eric.auger@redhat.com>
Wed, 11 Apr 2018 13:30:38 +0000 (15:30 +0200)
committerDavid S. Miller <davem@davemloft.net>
Wed, 11 Apr 2018 14:52:34 +0000 (10:52 -0400)
commit7ced6c98c7ab7a1f6743931e28671b833af79b1e
tree83c1da2c76b6b049915063144677b9b77a9ba122
parent98239c9096ed1dad97f01c66aa6d8b6e9be9029a
vhost: Fix vhost_copy_to_user()

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: f88949138058 ("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>
drivers/vhost/vhost.c