Commit 44387d17 authored by Zhengchao Shao's avatar Zhengchao Shao Committed by David S. Miller

net: sched: remove unnecessary init of qdisc skb head

The memory allocated by using kzallloc_node and kcalloc has been cleared.
Therefore, the structure members of the new qdisc are 0. So there's no
need to explicitly assign a value of 0.
Signed-off-by: default avatarZhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 643952f3
......@@ -940,13 +940,6 @@ static inline void qdisc_purge_queue(struct Qdisc *sch)
qdisc_tree_reduce_backlog(sch, qlen, backlog);
}
static inline void qdisc_skb_head_init(struct qdisc_skb_head *qh)
{
qh->head = NULL;
qh->tail = NULL;
qh->qlen = 0;
}
static inline void __qdisc_enqueue_tail(struct sk_buff *skb,
struct qdisc_skb_head *qh)
{
......
......@@ -941,7 +941,6 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
goto errout;
__skb_queue_head_init(&sch->gso_skb);
__skb_queue_head_init(&sch->skb_bad_txq);
qdisc_skb_head_init(&sch->q);
gnet_stats_basic_sync_init(&sch->bstats);
spin_lock_init(&sch->q.lock);
......
......@@ -1104,8 +1104,6 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt,
if (err < 0)
goto err_free_direct_qdiscs;
qdisc_skb_head_init(&q->direct_queue);
if (tb[TCA_HTB_DIRECT_QLEN])
q->direct_qlen = nla_get_u32(tb[TCA_HTB_DIRECT_QLEN]);
else
......
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