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netdev: exit_net cleanup check added 

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

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasily Averin 2017-11-12 22:28:46 +03:00 committed by David S. Miller
parent 0e4ec5acad
commit ee21b18b6b
1 changed files with 2 additions and 0 deletions
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2
net/core/dev.c
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@ -8667,6 +8667,8 @@ static void __net_exit netdev_exit(struct net *net)
{ {
kfree(net->dev_name_head); kfree(net->dev_name_head);
kfree(net->dev_index_head); kfree(net->dev_index_head);
if (net != &init_net)
WARN_ON_ONCE(!list_empty(&net->dev_base_head));
} }
static struct pernet_operations __net_initdata netdev_net_ops = { static struct pernet_operations __net_initdata netdev_net_ops = {