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/decnet/dn_dev.c b/net/decnet/dn_dev.c
index e65f1be..9017a9a 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -565,7 +565,8 @@ static const struct nla_policy dn_ifa_policy[IFA_MAX+1] = {
[IFA_FLAGS] = { .type = NLA_U32 },
};
-static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct nlattr *tb[IFA_MAX+1];
@@ -581,7 +582,8 @@ static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
if (!net_eq(net, &init_net))
goto errout;
- err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy, NULL);
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy,
+ extack);
if (err < 0)
goto errout;
@@ -609,7 +611,8 @@ static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
return err;
}
-static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct nlattr *tb[IFA_MAX+1];
@@ -625,7 +628,8 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
if (!net_eq(net, &init_net))
return -EINVAL;
- err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy, NULL);
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy,
+ extack);
if (err < 0)
return err;