[PATCH v2 04/21] netdev: exit_net cleanup check added

[Vasily Averin]

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

Signed-off-by: Vasily Averin <v...@virtuozzo.com>
---
 net/core/dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/core/dev.c b/net/core/dev.c
index 588b473..198f137 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -8562,6 +8562,9 @@ static void __net_exit netdev_exit(struct net *net)
 {
        kfree(net->dev_name_head);
        kfree(net->dev_index_head);
+       if (net != &init_net)
+               WARN(!list_empty(&net->dev_base_head),
+                    "%s: dev_base_head is not empty\n", __func__);
 }
 
 static struct pernet_operations __net_initdata netdev_net_ops = {
-- 
2.7.4