From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Tue, 11 Sep 2018 21:22:23 +0000 (-0700)
Subject: net_sched: notify filter deletion when deleting a chain
X-Git-Tag: v4.19~169^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f5b9bac7451cfc962970cb3fa3a7027ffa69e369;p=platform%2Fkernel%2Flinux-rpi3.git

net_sched: notify filter deletion when deleting a chain

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

Fixes: 32a4f5ecd738 ("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>
---

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 1a67af8..0a75cb2e 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1902,6 +1902,8 @@ replay:
 				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