kernel: mark source kernel for netfilter backports
[openwrt/openwrt.git] / target / linux / generic / backport-4.14 / 340-v4.16-netfilter-nft_flow_offload-no-need-to-flush-entries-.patch
1 From: Pablo Neira Ayuso <pablo@netfilter.org>
2 Date: Thu, 1 Feb 2018 18:49:01 +0100
3 Subject: [PATCH] netfilter: nft_flow_offload: no need to flush entries on
4 module removal
5
6 nft_flow_offload module removal does not require to flush existing
7 flowtables, it is valid to remove this module while keeping flowtables
8 around.
9
10 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
11 ---
12
13 --- a/net/netfilter/nft_flow_offload.c
14 +++ b/net/netfilter/nft_flow_offload.c
15 @@ -247,14 +247,8 @@ register_expr:
16
17 static void __exit nft_flow_offload_module_exit(void)
18 {
19 - struct net *net;
20 -
21 nft_unregister_expr(&nft_flow_offload_type);
22 unregister_netdevice_notifier(&flow_offload_netdev_notifier);
23 - rtnl_lock();
24 - for_each_net(net)
25 - nft_flow_table_iterate(net, nft_flow_offload_iterate_cleanup, NULL);
26 - rtnl_unlock();
27 }
28
29 module_init(nft_flow_offload_module_init);