commit c21ef3e343ae916ad3cfd4dc6ef6791c1f80a010
author David Ahern <dsa@cumulusnetworks.com> Sun Apr 16 09:48:24 2017 -0700
committer David S. Miller <davem@davemloft.net> Mon Apr 17 15:35:38 2017 -0400
tree babe94fe139a27e7c998ef76ca6e0791d835a78c
parent af3b5158b89d3bab9be881113417558c71b71ca4

net: rtnetlink: plumb extended ack to doit function

Add netlink_ext_ack arg to rtnl_doit_func. Pass extack arg to nlmsg_parse
for doit functions that call it directly.

This is the first step to using extended error reporting in rtnetlink.
>From here individual subsystems can be updated to set netlink_ext_ack as
needed.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/mpls/af_mpls.c

diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 07181d2..088e2b4 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1110,7 +1110,8 @@ static const struct nla_policy devconf_mpls_policy[NETCONFA_MAX + 1] = {
 };
 
 static int mpls_netconf_get_devconf(struct sk_buff *in_skb,
-				    struct nlmsghdr *nlh)
+				    struct nlmsghdr *nlh,
+				    struct netlink_ext_ack *extack)
 {
 	struct net *net = sock_net(in_skb->sk);
 	struct nlattr *tb[NETCONFA_MAX + 1];
@@ -1746,7 +1747,8 @@ static int rtm_to_route_config(struct sk_buff *skb,  struct nlmsghdr *nlh,
 	return err;
 }
 
-static int mpls_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int mpls_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh,
+			     struct netlink_ext_ack *extack)
 {
 	struct mpls_route_config *cfg;
 	int err;
@@ -1767,7 +1769,8 @@ static int mpls_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh)
 }
 
 
-static int mpls_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int mpls_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh,
+			     struct netlink_ext_ack *extack)
 {
 	struct mpls_route_config *cfg;
 	int err;