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

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.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Ben Pfaff 2012-03-06 15:04:04 -08:00 committed by Jesse Gross
parent dcd6c92267
commit 651a68ea2c
1 changed files with 3 additions and 0 deletions
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3
net/openvswitch/datapath.c
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@ -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]);