netdev - [PATCH v5 11/13] phonet: exit

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Message-ID: <ad3f8a63-593a-17ef-26a7-cae2aafb8b68@virtuozzo.com>
Date:   Sun, 12 Nov 2017 22:32:47 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     netdev@...r.kernel.org
Cc:     Remi Denis-Courmont <courmisch@...il.com>
Subject: [PATCH v5 11/13] phonet: exit_net cleanup check added

Be sure that pndevs.list initialized in net_init hook was return
to initial state.

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
---
 net/phonet/pn_dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 2cb4c5d..7778751 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -331,7 +331,10 @@ static int __net_init phonet_init_net(struct net *net)
 
 static void __net_exit phonet_exit_net(struct net *net)
 {
+	struct phonet_net *pnn = phonet_pernet(net);
+
 	remove_proc_entry("phonet", net->proc_net);
+	WARN_ON_ONCE(!list_empty(&pnn->pndevs.list));
 }
 
 static struct pernet_operations phonet_net_ops = {
-- 
2.7.4