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Commit bbb711e6 authored by Oliver Hartkopp's avatar Oliver Hartkopp Committed by David S. Miller
Browse files

[IPV6]: Ignore ipv6 events on non-IPV6 capable devices. 



Signed-off-by: default avatarOliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: default avatarUrs Thuermann <urs@isnogud.escape.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 36247f54

net/ipv6/addrconf.c

+21 −10
Original line number Diff line number Diff line
@@ -2154,15 +2154,6 @@ static void addrconf_dev_config(struct net_device *dev) 


	ASSERT_RTNL();



	if ((dev->type != ARPHRD_ETHER) &&

	    (dev->type != ARPHRD_FDDI) &&

	    (dev->type != ARPHRD_IEEE802_TR) &&

	    (dev->type != ARPHRD_ARCNET) &&

	    (dev->type != ARPHRD_INFINIBAND)) {

		/* Alas, we support only Ethernet autoconfiguration. */

		return;

	}



	idev = addrconf_add_dev(dev);

	if (idev == NULL)

		return;
@@ -2250,13 +2241,33 @@ static void addrconf_ip6_tnl_config(struct net_device *dev) 
	ip6_tnl_add_linklocal(idev);

}



static int ipv6_hwtype(struct net_device *dev)

{

	if ((dev->type == ARPHRD_ETHER) ||

	    (dev->type == ARPHRD_LOOPBACK) ||

	    (dev->type == ARPHRD_SIT) ||

	    (dev->type == ARPHRD_TUNNEL6) ||

	    (dev->type == ARPHRD_FDDI) ||

	    (dev->type == ARPHRD_IEEE802_TR) ||

	    (dev->type == ARPHRD_ARCNET) ||

	    (dev->type == ARPHRD_INFINIBAND))

		return 1;



	return 0;

}



static int addrconf_notify(struct notifier_block *this, unsigned long event,

			   void * data)

{

	struct net_device *dev = (struct net_device *) data;

	struct inet6_dev *idev = __in6_dev_get(dev);

	struct inet6_dev *idev;

	int run_pending = 0;



	if (!ipv6_hwtype(dev))

		return NOTIFY_OK;



	idev = __in6_dev_get(dev);



	switch(event) {

	case NETDEV_REGISTER:

		if (!idev) {