Commit 1477c8ae authored Oct 03, 2020 by Si-Wei Liu Committed by Michael S. Tsirkin Oct 04, 2020

vhost-vdpa: fix vhost_vdpa_map() on error condition



vhost_vdpa_map() should remove the iotlb entry just added
if the corresponding mapping fails to set up properly.

Fixes: 4c8cf318 ("vhost: introduce vDPA-based backend")
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Link: https://lore.kernel.org/r/1601701330-16837-2-git-send-email-si-wei.liu@oracle.com


Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

parent ab512251

drivers/vhost/vdpa.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

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