From ee21b18b6bdbb17a6e0b26255d2f662baf0d8409 Mon Sep 17 00:00:00 2001 From: Vasily Averin Date: Sun, 12 Nov 2017 22:28:46 +0300 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- net/core/dev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/core/dev.c b/net/core/dev.c index 30b5fe32c525..658337bf33e4 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -8667,6 +8667,8 @@ 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 = { -- 2.30.2