On 2020/10/3 下午1:02, Si-Wei Liu wrote:
vhost_vdpa_map() should remove the iotlb entry just added if the corresponding mapping fails to set up properly. Fixes: 4c8cf31885f6 ("vhost: introduce vDPA-based backend") Signed-off-by: Si-Wei Liu <si-wei....@oracle.com> --- drivers/vhost/vdpa.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 796fe97..0f27919 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -565,6 +565,9 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, perm_to_iommu_flags(perm)); }+ if (r)+ vhost_iotlb_del_range(dev->iotlb, iova, iova + size - 1); + return r; }
Acked-by: Jason Wang <jasow...@redhat.com>
