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net_sched: notify filter deletion when deleting a chain

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When we delete a chain of filters, we need to notify
user-space we are deleting each filters in this chain
too.

Fixes: 32a4f5ecd7 ("net: sched: introduce chain object to uapi")
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2018-09-11 14:22:23 -07:00 committed by David S. Miller
parent ad4f15dc2c
commit f5b9bac745
1 changed files with 2 additions and 0 deletions
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2
net/sched/cls_api.c
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@ -1902,6 +1902,8 @@ static int tc_ctl_chain(struct sk_buff *skb, struct nlmsghdr *n,
RTM_NEWCHAIN, false);
break;
case RTM_DELCHAIN:
tfilter_notify_chain(net, skb, block, q, parent, n,
chain, RTM_DELTFILTER);
/* Flush the chain first as the user requested chain removal. */
tcf_chain_flush(chain);
/* In case the chain was successfully deleted, put a reference