openvswitch: Honor dp_ifindex, when specified, for vport lookup by name.

[cascardo/linux.git] / net / openvswitch / datapath.c

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index ce64c18..2c03050 100644 (file)
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -1521,6 +1521,9 @@ static struct vport *lookup_vport(struct ovs_header *ovs_header,
                vport = ovs_vport_locate(nla_data(a[OVS_VPORT_ATTR_NAME]));
                if (!vport)
                        return ERR_PTR(-ENODEV);
+               if (ovs_header->dp_ifindex &&
+                   ovs_header->dp_ifindex != get_dpifindex(vport->dp))
+                       return ERR_PTR(-ENODEV);
                return vport;
        } else if (a[OVS_VPORT_ATTR_PORT_NO]) {
                u32 port_no = nla_get_u32(a[OVS_VPORT_ATTR_PORT_NO]);