From: Jiri Pirko <jiri@mellanox.com>
Date: Thu, 26 Jul 2018 18:27:58 +0200
Subject: net: sched: unmark chain as explicitly created on delete
Patch-mainline: v4.19-rc1
Git-commit: c921d7db3d1248c9091af070a7fdce2e55baa86a
References: bsc#1109837

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

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Fixes: 32a4f5ecd738 ("net: sched: introduce chain object to uapi")
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 net/sched/cls_api.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1844,6 +1844,7 @@ replay:
 		 * 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,