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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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11
net/ipv6/route.c
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@@ -3260,7 +3260,8 @@ static int ip6_route_multipath_del(struct fib6_config *cfg)
return last_err;
}
static int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh)
static int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct fib6_config cfg;
int err;
@@ -3277,7 +3278,8 @@ static int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh)
}
}
static int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh)
static int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct fib6_config cfg;
int err;
@@ -3565,7 +3567,8 @@ int rt6_dump_route(struct rt6_info *rt, void *p_arg)
NLM_F_MULTI);
}
static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh)
static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct net *net = sock_net(in_skb->sk);
struct nlattr *tb[RTA_MAX+1];
@@ -3576,7 +3579,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh)
int err, iif = 0, oif = 0;
err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy,
NULL);
extack);
if (err < 0)
goto errout;