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: 32a4f5e ("net: sched: introduce chain object to uapi") Cc: Jiri Pirko <[email protected]> Signed-off-by: Cong Wang <[email protected]> Signed-off-by: David S. Miller <[email protected]>
stramzel · Sep 13, 2018 · f5b9bac · f5b9bac
1 parent ad4f15d
commit f5b9bac
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
@@ -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