diff mbox series

[v4,10/18] nf_tables: exit_net cleanup check added

Message ID 90230d64-748a-5347-6cf7-4273e07e37eb@virtuozzo.com
State Changes Requested
Delegated to: Pablo Neira
Headers show
Series None | expand

Commit Message

Vasily Averin Nov. 12, 2017, 8:45 a.m. UTC 
Be sure that lists initialized in net_init hook were return
to initial state.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
 net/netfilter/nf_tables_api.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 64e1ee0..f432b53 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5778,6 +5778,12 @@  static int __net_init nf_tables_init_net(struct net *net)
 	return 0;
 }
 
+static void __net_exit nf_tables_exit_net(struct net *net)
+{
+	WARN_ON_ONCE(!list_empty(&net->nft.af_info));
+	WARN_ON_ONCE(!list_empty(&net->nft.commit_list));
+}
+
 int __nft_release_basechain(struct nft_ctx *ctx)
 {
 	struct nft_rule *rule, *nr;
@@ -5848,6 +5854,7 @@  static void __nft_release_afinfo(struct net *net, struct nft_af_info *afi)
 
 static struct pernet_operations nf_tables_net_ops = {
 	.init	= nf_tables_init_net,
+	.exit	= nf_tables_exit_net,
 };
 
 static int __init nf_tables_module_init(void)