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net: sched: cls_fw: add missing tcf_exts_init call in fw_change()

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When allocating a new structure we also need to call tcf_exts_init
to initialize exts.

A follow up patch might be in order to remove some of this code
and do tcf_exts_assign(). With this we could remove the
tcf_exts_init/tcf_exts_change pattern for some of the classifiers.
As part of the future tcf_actions RCU series this will need to be
done. For now fix the call here.

Fixes e35a8ee599 ("net: sched: fw use RCU")
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Fastabend 2014-09-15 23:31:42 -07:00 committed by David S. Miller
parent d14cbfc88f
commit e1f93eb06c
1 changed files with 2 additions and 0 deletions
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2
net/sched/cls_fw.c
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@ -264,6 +264,8 @@ static int fw_change(struct net *net, struct sk_buff *in_skb,
#endif /* CONFIG_NET_CLS_IND */
fnew->tp = f->tp;
tcf_exts_init(&fnew->exts, TCA_FW_ACT, TCA_FW_POLICE);
err = fw_change_attrs(net, tp, fnew, tb, tca, base, ovr);
if (err < 0) {
kfree(fnew);