[PATCH 14/21] nfnetlink_log: exit_net cleanup check added
From: Vasily Averin <hidden>
Date: 2017-11-05 10:01:42
Also in:
netfilter-devel
Subsystem:
netfilter, networking [general], the rest · Maintainers:
Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Be sure that instance_table array initialized in net_init hook was return to initial state. Signed-off-by: Vasily Averin <redacted> --- net/netfilter/nfnetlink_log.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index cad6498..fa97566 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c@@ -1093,10 +1093,17 @@ static int __net_init nfnl_log_net_init(struct net *net) static void __net_exit nfnl_log_net_exit(struct net *net) { + unsigned int i; + struct nfnl_log_net *log = nfnl_log_pernet(net); #ifdef CONFIG_PROC_FS remove_proc_entry("nfnetlink_log", net->nf.proc_netfilter); #endif nf_log_unset(net, &nfulnl_logger); + for (i = 0; i < INSTANCE_BUCKETS; i++) + if (WARN(!hlist_empty(&log->instance_table[i]), + "net %p exit: nfnl_log instance_table is not empty\n", + net)) + break; } static struct pernet_operations nfnl_log_net_ops = {
--
2.7.4