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net: rtnetlink: plumb extended ack to doit function

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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>
This commit is contained in:
David Ahern
2017-04-16 09:48:24 -07:00
committed by David S. Miller
parent af3b5158b8
commit c21ef3e343
26 changed files with 162 additions and 99 deletions
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5
net/sched/cls_api.c
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@@ -201,7 +201,8 @@ EXPORT_SYMBOL(tcf_destroy_chain);
/* Add/change/delete/get a filter node */
static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n)
static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct nlattr *tca[TCA_MAX + 1];
@@ -229,7 +230,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n)
replay:
tp_created = 0;
err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, NULL);
err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack);
if (err < 0)
return err;