net_sched: move tp->root allocation into route4_init()
Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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a05c2d112c
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@ -258,6 +258,13 @@ static unsigned long route4_get(struct tcf_proto *tp, u32 handle)
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static int route4_init(struct tcf_proto *tp)
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{
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struct route4_head *head;
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head = kzalloc(sizeof(struct route4_head), GFP_KERNEL);
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if (head == NULL)
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return -ENOBUFS;
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rcu_assign_pointer(tp->root, head);
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return 0;
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}
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@ -484,13 +491,6 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
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return -EINVAL;
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err = -ENOBUFS;
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if (head == NULL) {
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head = kzalloc(sizeof(struct route4_head), GFP_KERNEL);
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if (head == NULL)
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goto errout;
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rcu_assign_pointer(tp->root, head);
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}
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f = kzalloc(sizeof(struct route4_filter), GFP_KERNEL);
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if (!f)
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goto errout;
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