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>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 434dd25..5a0e456 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -710,7 +710,8 @@ static int rtm_to_fib_config(struct net *net, struct sk_buff *skb,
return err;
}
-static int inet_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int inet_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct fib_config cfg;
@@ -732,7 +733,8 @@ static int inet_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh)
return err;
}
-static int inet_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int inet_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct fib_config cfg;