[PATCH v3 06/21] netdev: exit_net cleanup check added
From: Vasily Averin <hidden>
Date: 2017-11-06 13:24:08
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Be sure that dev_base_head list initialized in net_init hook was return to initial state Signed-off-by: Vasily Averin <redacted> --- net/core/dev.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/net/core/dev.c b/net/core/dev.c
index 588b473..34f88fc 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c@@ -8562,6 +8562,10 @@ static void __net_exit netdev_exit(struct net *net) { kfree(net->dev_name_head); kfree(net->dev_index_head); + if (net != &init_net) + WARN_ONCE(!list_empty(&net->dev_base_head), + "net %x %s: dev_base_head is not empty\n", + net->ns.inum, __func__); } static struct pernet_operations __net_initdata netdev_net_ops = {
--
2.7.4