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net: add extack arg to lwtunnel build state

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Pass extack arg down to lwtunnel_build_state and the build_state callbacks.
Add messages for failures in lwtunnel_build_state, and add the extarg to
nla_parse where possible in the build_state callbacks.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2017-05-27 16:19:28 -06:00
committed by David S. Miller
parent c255bd681d
commit 9ae2872748
12 changed files with 67 additions and 30 deletions
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2
net/ipv6/route.c
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@@ -1939,7 +1939,7 @@ static struct rt6_info *ip6_route_info_create(struct fib6_config *cfg,
err = lwtunnel_build_state(cfg->fc_encap_type,
cfg->fc_encap, AF_INET6, cfg,
&lwtstate);
&lwtstate, extack);
if (err)
goto out;
rt->dst.lwtstate = lwtstate_get(lwtstate);