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vhost: fix incorrect check in vhost_verify_ring_mappings 

In commit 0ca1fd2d68 ("vhost: Simplify ring verification checks"),
it checks the virtqueue desc mapping for 3 times.

Fixed: commit 0ca1fd2d68 ("vhost: Simplify ring verification checks")
Signed-off-by: Jia He <jia.he@hxt-semitech.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Jia He 2018-02-28 01:35:29 -08:00 committed by Michael S. Tsirkin
parent fb20fbb764
commit 9fac50c88d
1 changed files with 2 additions and 2 deletions
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4
hw/virtio/vhost.c
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@ -359,7 +359,7 @@ static int vhost_verify_ring_mappings(struct vhost_dev *dev,
j++;
r = vhost_verify_ring_part_mapping(
vq->desc, vq->desc_phys, vq->desc_size,
vq->avail, vq->avail_phys, vq->avail_size,
reg_hva, reg_gpa, reg_size);
if (r) {
break;
@ -367,7 +367,7 @@ static int vhost_verify_ring_mappings(struct vhost_dev *dev,
j++;
r = vhost_verify_ring_part_mapping(
vq->desc, vq->desc_phys, vq->desc_size,
vq->used, vq->used_phys, vq->used_size,
reg_hva, reg_gpa, reg_size);
if (r) {
break;