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netlink: Remove compat API for nested attributes

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Removes all _nested_compat() functions from the API. The prio qdisc
no longer requires them and netem has its own format anyway. Their
existance is only confusing.

Resend: Also remove the wrapper macro.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf
2008-09-02 17:30:27 -07:00
committed by David S. Miller
parent b171e19ed0
commit 2c10b32bf5
3 changed files with 17 additions and 89 deletions
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18
net/sched/sch_netem.c
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@@ -388,6 +388,20 @@ static const struct nla_policy netem_policy[TCA_NETEM_MAX + 1] = {
[TCA_NETEM_CORRUPT] = { .len = sizeof(struct tc_netem_corrupt) },
};
static int parse_attr(struct nlattr *tb[], int maxtype, struct nlattr *nla,
const struct nla_policy *policy, int len)
{
int nested_len = nla_len(nla) - NLA_ALIGN(len);
if (nested_len < 0)
return -EINVAL;
if (nested_len >= nla_attr_size(0))
return nla_parse(tb, maxtype, nla_data(nla) + NLA_ALIGN(len),
nested_len, policy);
memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1));
return 0;
}
/* Parse netlink message to set options */
static int netem_change(struct Qdisc *sch, struct nlattr *opt)
{
@@ -399,8 +413,8 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt)
if (opt == NULL)
return -EINVAL;
ret = nla_parse_nested_compat(tb, TCA_NETEM_MAX, opt, netem_policy,
qopt, sizeof(*qopt));
qopt = nla_data(opt);
ret = parse_attr(tb, TCA_NETEM_MAX, opt, netem_policy, sizeof(*qopt));
if (ret < 0)
return ret;