From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 1 Feb 2018 17:49:01 +0000 (+0100)
Subject: netfilter: nft_flow_offload: no need to flush entries on module removal
X-Git-Tag: v4.16-rc1~14^2~36^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=992cfc7c5d105094da7c21c9c74d97ac26bb1e56;p=thirdparty%2Fkernel%2Flinux.git

netfilter: nft_flow_offload: no need to flush entries on module removal

nft_flow_offload module removal does not require to flush existing
flowtables, it is valid to remove this module while keeping flowtables
around.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index 1739ff8ca21fb..e5c45c7ac02a1 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -247,14 +247,8 @@ register_expr:
 
 static void __exit nft_flow_offload_module_exit(void)
 {
-	struct net *net;
-
 	nft_unregister_expr(&nft_flow_offload_type);
 	unregister_netdevice_notifier(&flow_offload_netdev_notifier);
-	rtnl_lock();
-	for_each_net(net)
-		nft_flow_table_iterate(net, nft_flow_offload_iterate_cleanup, NULL);
-	rtnl_unlock();
 }
 
 module_init(nft_flow_offload_module_init);