diff options
| -rw-r--r-- | net/sched/cls_api.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 838b3fd94d77..ba0715ee9eac 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -2940,7 +2940,6 @@ static int tc_dump_chain(struct sk_buff *skb, struct netlink_callback *cb) struct tcf_chain *chain; long index_start; long index; - u32 parent; int err; if (nlmsg_len(cb->nlh) < sizeof(*tcm)) @@ -2955,13 +2954,6 @@ static int tc_dump_chain(struct sk_buff *skb, struct netlink_callback *cb) block = tcf_block_refcnt_get(net, tcm->tcm_block_index); if (!block) goto out; - /* If we work with block index, q is NULL and parent value - * will never be used in the following code. The check - * in tcf_fill_node prevents it. However, compiler does not - * see that far, so set parent to zero to silence the warning - * about parent being uninitialized. - */ - parent = 0; } else { const struct Qdisc_class_ops *cops; struct net_device *dev; @@ -2971,13 +2963,11 @@ static int tc_dump_chain(struct sk_buff *skb, struct netlink_callback *cb) if (!dev) return skb->len; - parent = tcm->tcm_parent; - if (!parent) { + if (!tcm->tcm_parent) q = dev->qdisc; - parent = q->handle; - } else { + else q = qdisc_lookup(dev, TC_H_MAJ(tcm->tcm_parent)); - } + if (!q) goto out; cops = q->ops->cl_ops; |