Patrick McHardy 71ebe5e919 net_sched: make cls_ops->tcf_chain() optional
Some qdiscs don't support attaching filters. Handle this centrally in
cls_api and return a proper errno code (EOPNOTSUPP) instead of EINVAL.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-06 02:06:12 -07:00
..
2009-06-03 02:51:04 -07:00
2009-06-03 02:51:04 -07:00
2009-05-06 16:45:07 -07:00
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