Commit 8c727003 authored by Eric Dumazet's avatar Eric Dumazet Committed by Jakub Kicinski
Browse files

ipv6: add net device refcount tracker to struct inet6_dev 



Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f77159a3

include/net/if_inet6.h

+1 −0
Original line number Diff line number Diff line
@@ -160,6 +160,7 @@ struct ipv6_devstat { 


struct inet6_dev {

	struct net_device	*dev;

	netdevice_tracker	dev_tracker;



	struct list_head	addr_list;

net/ipv6/addrconf.c

+2 −2
Original line number Diff line number Diff line
@@ -405,13 +405,13 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) 
	if (ndev->cnf.forwarding)

		dev_disable_lro(dev);

	/* We refer to the device */

	dev_hold(dev);

	dev_hold_track(dev, &ndev->dev_tracker, GFP_KERNEL);



	if (snmp6_alloc_dev(ndev) < 0) {

		netdev_dbg(dev, "%s: cannot allocate memory for statistics\n",

			   __func__);

		neigh_parms_release(&nd_tbl, ndev->nd_parms);

		dev_put(dev);

		dev_put_track(dev, &ndev->dev_tracker);

		kfree(ndev);

		return ERR_PTR(err);

	}

net/ipv6/addrconf_core.c

+1 −1
Original line number Diff line number Diff line
@@ -263,7 +263,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev) 
#ifdef NET_REFCNT_DEBUG

	pr_debug("%s: %s\n", __func__, dev ? dev->name : "NIL");

#endif

	dev_put(dev);

	dev_put_track(dev, &idev->dev_tracker);

	if (!idev->dead) {

		pr_warn("Freeing alive inet6 device %p\n", idev);

		return;