diff mbox series

[v3,15/21] nf_tables: exit_net cleanup check added

Message ID 0fa951d6-3df2-d747-def6-ab996a38907b@virtuozzo.com
State Changes Requested, archived
Delegated to: David Miller
Headers show
Series exit_net checks for objects initialized in net_init hook | expand

Commit Message

Vasily Averin Nov. 6, 2017, 1:25 p.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 | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 64e1ee0..3b7f518 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5778,6 +5778,16 @@  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_ONCE(!list_empty(&net->nft.af_info),
+		  "net %x %s: af_info list is not empty\n",
+		  net->ns.inum, __func__);
+	WARN_ONCE(!list_empty(&net->nft.commit_list),
+		  "net %x %s: commit_list is not empty\n",
+		  net->ns.inum, __func__);
+}
+
 int __nft_release_basechain(struct nft_ctx *ctx)
 {
 	struct nft_rule *rule, *nr;
@@ -5848,6 +5858,7 @@  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)