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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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5
net/mpls/mpls_iptunnel.c
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@@ -159,7 +159,8 @@ drop:
static int mpls_build_state(struct nlattr *nla,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts)
struct lwtunnel_state **ts,
struct netlink_ext_ack *extack)
{
struct mpls_iptunnel_encap *tun_encap_info;
struct nlattr *tb[MPLS_IPTUNNEL_MAX + 1];
@@ -168,7 +169,7 @@ static int mpls_build_state(struct nlattr *nla,
int ret;
ret = nla_parse_nested(tb, MPLS_IPTUNNEL_MAX, nla,
mpls_iptunnel_policy, NULL);
mpls_iptunnel_policy, extack);
if (ret < 0)
return ret;