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Subject[158/264] ipv6: fix route error binding peer in func icmp6_dst_alloc
3.1-stable review patch.  If anyone has any objections, please let me know.

------------------


From: Gao feng <omarapazanadi@gmail.com>

[ Upstream commit 7011687f0f2f12cc348f6a693fafe63d89167eac ]

in func icmp6_dst_alloc,dst_metric_set call ipv6_cow_metrics to set metric.
ipv6_cow_metrics may will call rt6_bind_peer to set rt6_info->rt6i_peer.
So,we should move ipv6_addr_copy before dst_metric_set to make sure rt6_bind_peer success.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
net/ipv6/route.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1086,11 +1086,10 @@ struct dst_entry *icmp6_dst_alloc(struct
rt->dst.output = ip6_output;
dst_set_neighbour(&rt->dst, neigh);
atomic_set(&rt->dst.__refcnt, 1);
- dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
-
ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
rt->rt6i_dst.plen = 128;
rt->rt6i_idev = idev;
+ dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);

spin_lock_bh(&icmp6_dst_lock);
rt->dst.next = icmp6_dst_gc_list;



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