When OVS_VPORT_ATTR_NAME is specified and dp_ifindex is nonzero, the
logical behavior would be for the vport name lookup scope to be limited
to the specified datapath, but in fact the dp_ifindex value was ignored.
This commit causes the search scope to be honored.

Bug #9889.
Signed-off-by: Ben Pfaff <[email protected]>
Acked-by: Pravin B Shelar <[email protected]>
---
Jesse, you want to look this over in addition to Pravin?
Original thread here:
        http://openvswitch.org/pipermail/dev/2012-February/015225.html

Thanks,

Ben.

 datapath/datapath.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/datapath/datapath.c b/datapath/datapath.c
index 23fb1dc..bb96967 100644
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -1729,6 +1729,9 @@ static struct vport *lookup_vport(struct net *net,
                vport = ovs_vport_locate(net, 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]);
-- 
1.7.2.5

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