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Commit 13696531 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'ipv6-fix-neighbour-resolution-with-raw-socket' 



Nicolas Dichtel says:

====================
ipv6: fix neighbour resolution with raw socket

The first patch prepares the fix, it constify rt6_nexthop().
The detail of the bug is explained in the second patch.

v1 -> v2:
 - fix compilation warnings
 - split the initial patch
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 22e72b5e 2c6b55f4

drivers/net/vrf.c

+1 −1
Original line number Diff line number Diff line
@@ -350,8 +350,8 @@ static int vrf_finish_output6(struct net *net, struct sock *sk, 
{

	struct dst_entry *dst = skb_dst(skb);

	struct net_device *dev = dst->dev;

	const struct in6_addr *nexthop;

	struct neighbour *neigh;

	struct in6_addr *nexthop;

	int ret;



	nf_reset(skb);

include/net/ip6_route.h

+2 −2
Original line number Diff line number Diff line
@@ -262,8 +262,8 @@ static inline bool ip6_sk_ignore_df(const struct sock *sk) 
	       inet6_sk(sk)->pmtudisc == IPV6_PMTUDISC_OMIT;

}



static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt,

					   struct in6_addr *daddr)

static inline const struct in6_addr *rt6_nexthop(const struct rt6_info *rt,

						 const struct in6_addr *daddr)

{

	if (rt->rt6i_flags & RTF_GATEWAY)

		return &rt->rt6i_gateway;

net/bluetooth/6lowpan.c

+2 −2
Original line number Diff line number Diff line
@@ -160,10 +160,10 @@ static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_btle_dev *dev, 
						  struct in6_addr *daddr,

						  struct sk_buff *skb)

{

	struct lowpan_peer *peer;

	struct in6_addr *nexthop;

	struct rt6_info *rt = (struct rt6_info *)skb_dst(skb);

	int count = atomic_read(&dev->peer_count);

	const struct in6_addr *nexthop;

	struct lowpan_peer *peer;



	BT_DBG("peers %d addr %pI6c rt %p", count, daddr, rt);

net/ipv6/ip6_output.c

+1 −1
Original line number Diff line number Diff line
@@ -59,8 +59,8 @@ static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff * 
{

	struct dst_entry *dst = skb_dst(skb);

	struct net_device *dev = dst->dev;

	const struct in6_addr *nexthop;

	struct neighbour *neigh;

	struct in6_addr *nexthop;

	int ret;



	if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr)) {

net/ipv6/route.c

+2 −1
Original line number Diff line number Diff line
@@ -218,7 +218,8 @@ static struct neighbour *ip6_dst_neigh_lookup(const struct dst_entry *dst, 
{

	const struct rt6_info *rt = container_of(dst, struct rt6_info, dst);



	return ip6_neigh_lookup(&rt->rt6i_gateway, dst->dev, skb, daddr);

	return ip6_neigh_lookup(rt6_nexthop(rt, &in6addr_any),

				dst->dev, skb, daddr);

}



static void ip6_confirm_neigh(const struct dst_entry *dst, const void *daddr)