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Date: Sun, 5 Nov 2017 13:01:42 +0300 From: Vasily Averin <vvs@...tuozzo.com> To: netdev@...r.kernel.org Cc: coreteam@...filter.org, netfilter-devel@...r.kernel.org, Florian Westphal <fw@...len.de>, Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>, Pablo Neira Ayuso <pablo@...filter.org> Subject: [PATCH 14/21] nfnetlink_log: exit_net cleanup check added Be sure that instance_table array initialized in net_init hook was return to initial state. Signed-off-by: Vasily Averin <vvs@...tuozzo.com> --- 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
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