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Diffstat (limited to 'net/sched/cls_api.c')
-rw-r--r--net/sched/cls_api.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index bb98045d5508..fdab6a530bba 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -23,6 +23,8 @@
#include <linux/init.h>
#include <linux/kmod.h>
#include <linux/netlink.h>
+#include <net/net_namespace.h>
+#include <net/sock.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
@@ -119,6 +121,7 @@ static __inline__ u32 tcf_auto_prio(struct tcf_proto *tp)
static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct rtattr **tca;
struct tcmsg *t;
u32 protocol;
@@ -135,6 +138,9 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
unsigned long fh;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
replay:
tca = arg;
t = NLMSG_DATA(n);
@@ -375,6 +381,7 @@ static int tcf_node_dump(struct tcf_proto *tp, unsigned long n, struct tcf_walke
static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
int t;
int s_t;
struct net_device *dev;
@@ -385,6 +392,9 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
const struct Qdisc_class_ops *cops;
struct tcf_dump_args arg;
+ if (net != &init_net)
+ return 0;
+
if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))
return skb->len;
if ((dev = dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)