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sched, act: allow to clear all actions as well 

When we change the list of action on a given filter, currently we don't
change it to empty. This is a bug, we should allow to change to whatever
users given.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2014-04-25 13:55:30 -07:00 committed by David S. Miller
parent 2f7ef2f879
commit a49eb42a34
1 changed files with 6 additions and 8 deletions
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14
net/sched/cls_api.c
View File

@ -544,14 +544,12 @@ void tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
struct tcf_exts *src)
{
#ifdef CONFIG_NET_CLS_ACT
if (!list_empty(&src->actions)) {
LIST_HEAD(tmp);
tcf_tree_lock(tp);
list_splice_init(&dst->actions, &tmp);
list_splice(&src->actions, &dst->actions);
tcf_tree_unlock(tp);
tcf_action_destroy(&tmp, TCA_ACT_UNBIND);
}
LIST_HEAD(tmp);
tcf_tree_lock(tp);
list_splice_init(&dst->actions, &tmp);
list_splice(&src->actions, &dst->actions);
tcf_tree_unlock(tp);
tcf_action_destroy(&tmp, TCA_ACT_UNBIND);
#endif
}
EXPORT_SYMBOL(tcf_exts_change);