netdev - [patch net-next] net: sched: unmark chain as explicitly created on delete

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Message-Id: <20180726162758.14306-1-jiri@resnulli.us>
Date:   Thu, 26 Jul 2018 18:27:58 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, jhs@...atatu.com, xiyou.wangcong@...il.com,
        mlxsw@...lanox.com
Subject: [patch net-next] net: sched: unmark chain as explicitly created on delete

From: Jiri Pirko <jiri@...lanox.com>

Once user manually deletes the chain using "chain del", the chain cannot
be marked as explicitly created anymore.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
Fixes: 32a4f5ecd738 ("net: sched: introduce chain object to uapi")
---
 net/sched/cls_api.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index f3d78c23338e..75cce2819de9 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1844,6 +1844,7 @@ static int tc_ctl_chain(struct sk_buff *skb, struct nlmsghdr *n,
 		 * to the chain previously taken during addition.
 		 */
 		tcf_chain_put_explicitly_created(chain);
+		chain->explicitly_created = false;
 		break;
 	case RTM_GETCHAIN:
 		err = tc_chain_notify(chain, skb, n->nlmsg_seq,
-- 
2.14.4