diff mbox series

[v4,05/18] netdev: exit_net cleanup check added

Message ID 70545242-7744-4629-e7aa-683d0be56091@virtuozzo.com
State Superseded, archived
Delegated to: David Miller
Headers show
Series exit_net checks for objects initialized in net_init hook | expand

Commit Message

Vasily Averin Nov. 12, 2017, 8:42 a.m. UTC 
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>
---
 net/core/dev.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/net/core/dev.c b/net/core/dev.c
index 588b473..56fece7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -8562,6 +8562,8 @@  static void __net_exit netdev_exit(struct net *net)
 {
 	kfree(net->dev_name_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 = {