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openvswitch: Change ENOENT return value to ENODEV in lookup_vport().

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This reduces the number of valid "no such device" error values that
need special attention by the caller.

Userspace code will need to keep on checking for both ENODEV and
ENOENT as long as older kernel modules are around.

Signed-off-by: Jarno Rajahalme <jarno.rajahalme@nsn.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Jarno Rajahalme 2013-01-09 14:27:35 -08:00 committed by Jesse Gross
parent 9807a54cd7
commit 14408dba84
1 changed files with 1 additions and 1 deletions
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2
net/openvswitch/datapath.c
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@ -1628,7 +1628,7 @@ static struct vport *lookup_vport(struct net *net,
vport = ovs_vport_rtnl_rcu(dp, port_no);
if (!vport)
return ERR_PTR(-ENOENT);
return ERR_PTR(-ENODEV);
return vport;
} else
return ERR_PTR(-EINVAL);