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pkt_sched: sch_multiq: Change errno on non-multiqueue devices use. 

Current "RTNETLINK answers: Invalid argument" warning, while trying to
add multiq qdisc to non-multiqueue device, isn't very helpful and some
of these devs can be changed btw., so let's use a better errno.

With feedback from Stephen Hemminger <shemminger@vyatta.com>

Reported-by: Badalian Vyacheslav <slavon@bigtelecom.ru>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarek Poplawski 2009-02-10 00:11:21 -08:00 committed by David S. Miller
parent d54e6d8727
commit 149490f131
1 changed files with 1 additions and 1 deletions
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2
net/sched/sch_multiq.c
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@ -202,7 +202,7 @@ static int multiq_tune(struct Qdisc *sch, struct nlattr *opt)
int i;
if (!netif_is_multiqueue(qdisc_dev(sch)))
return -EINVAL;
return -EOPNOTSUPP;
if (nla_len(opt) < sizeof(*qopt))
return -EINVAL;