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Commit a0d78ebf authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
Browse files

[IPV6] ROUTE: Do not route packets to link-local address on other device. 



With help from Wei Dong <weid@np.css.fujitsu.com>.

Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 26932566

net/ipv6/route.c

+14 −5
Original line number Diff line number Diff line
@@ -311,13 +311,22 @@ static inline void rt6_probe(struct rt6_info *rt) 
static int inline rt6_check_dev(struct rt6_info *rt, int oif)

{

	struct net_device *dev = rt->rt6i_dev;

	if (!oif || dev->ifindex == oif)

	int ret = 0;



	if (!oif)

		return 2;

	if ((dev->flags & IFF_LOOPBACK) &&

	    rt->rt6i_idev && rt->rt6i_idev->dev->ifindex == oif)

		return 1;

	if (dev->flags & IFF_LOOPBACK) {

		if (!WARN_ON(rt->rt6i_idev == NULL) &&

		    rt->rt6i_idev->dev->ifindex == oif)

			ret = 1;

		else

			return 0;

	}

	if (dev->ifindex == oif)

		return 2;



	return ret;

}



static int inline rt6_check_neigh(struct rt6_info *rt)

{