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net: lwtunnel: Handle lwtunnel_fill_encap failure

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Handle failure in lwtunnel_fill_encap adding attributes to skb.

Fixes: 571e722676 ("ipv4: support for fib route lwtunnel encap attributes")
Fixes: 19e42e4515 ("ipv6: support for fib route lwtunnel encap attributes")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2017-01-11 14:29:54 -08:00
committed by David S. Miller
parent 18a3ed59d0
commit ea7a80858f
2 changed files with 9 additions and 5 deletions
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3
net/ipv6/route.c
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@@ -3317,7 +3317,8 @@ static int rt6_fill_node(struct net *net,
if (nla_put_u8(skb, RTA_PREF, IPV6_EXTRACT_PREF(rt->rt6i_flags)))
goto nla_put_failure;
lwtunnel_fill_encap(skb, rt->dst.lwtstate);
if (lwtunnel_fill_encap(skb, rt->dst.lwtstate) < 0)
goto nla_put_failure;
nlmsg_end(skb, nlh);
return 0;