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-rw-r--r--net/sched/sch_api.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 7e3c048..c40773c 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -386,6 +386,9 @@ void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n)
if (n == 0)
return;
while ((parentid = sch->parent)) {
+ if (TC_H_MAJ(parentid) == TC_H_MAJ(TC_H_INGRESS))
+ return;
+
sch = qdisc_lookup(sch->dev, TC_H_MAJ(parentid));
if (sch == NULL) {
WARN_ON(parentid != TC_H_ROOT);
@@ -605,7 +608,7 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct tcmsg *tcm = NLMSG_DATA(n);
struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
@@ -674,7 +677,7 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct tcmsg *tcm;
struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
@@ -893,7 +896,7 @@ err_out:
static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
int idx, q_idx;
int s_idx, s_q_idx;
struct net_device *dev;
@@ -945,7 +948,7 @@ done:
static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct tcmsg *tcm = NLMSG_DATA(n);
struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
@@ -1139,7 +1142,7 @@ static int qdisc_class_dump(struct Qdisc *q, unsigned long cl, struct qdisc_walk
static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
int t;
int s_t;
struct net_device *dev;
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