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>
This commit is contained in:
WANG Cong 2015-03-04 20:11:43 -08:00 committed by David S. Miller
parent 2490c65fe8
commit a05c2d112c

View file

@ -258,6 +258,13 @@ static unsigned long route4_get(struct tcf_proto *tp, u32 handle)
static int route4_init(struct tcf_proto *tp)
{
struct route4_head *head;
head = kzalloc(sizeof(struct route4_head), GFP_KERNEL);
if (head == NULL)
return -ENOBUFS;
rcu_assign_pointer(tp->root, head);
return 0;
}
@ -484,13 +491,6 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
return -EINVAL;
err = -ENOBUFS;
if (head == NULL) {
head = kzalloc(sizeof(struct route4_head), GFP_KERNEL);
if (head == NULL)
goto errout;
rcu_assign_pointer(tp->root, head);
}
f = kzalloc(sizeof(struct route4_filter), GFP_KERNEL);
if (!f)
goto errout;