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net: sched: cls_basic: no need to call tcf_exts_change for newly allocated struct

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As the f struct was allocated right before basic_set_parms call, no need
to use tcf_exts_change to do atomic change, and we can just fill-up
the unused exts struct directly by tcf_exts_validate.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2017-08-04 14:29:09 +02:00 committed by David S. Miller
parent a74cb36980
commit ff1f8ca080
1 changed files with 2 additions and 11 deletions
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13
net/sched/cls_basic.c
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@ -129,31 +129,22 @@ static int basic_set_parms(struct net *net, struct tcf_proto *tp,
struct nlattr *est, bool ovr)
{
int err;
struct tcf_exts e;
err = tcf_exts_init(&e, TCA_BASIC_ACT, TCA_BASIC_POLICE);
err = tcf_exts_validate(net, tp, tb, est, &f->exts, ovr);
if (err < 0)
return err;
err = tcf_exts_validate(net, tp, tb, est, &e, ovr);
if (err < 0)
goto errout;
err = tcf_em_tree_validate(tp, tb[TCA_BASIC_EMATCHES], &f->ematches);
if (err < 0)
goto errout;
return err;
if (tb[TCA_BASIC_CLASSID]) {
f->res.classid = nla_get_u32(tb[TCA_BASIC_CLASSID]);
tcf_bind_filter(tp, &f->res, base);
}
tcf_exts_change(tp, &f->exts, &e);
f->tp = tp;
return 0;
errout:
tcf_exts_destroy(&e);
return err;
}
static int basic_change(struct net *net, struct sk_buff *in_skb,