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Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r--net/sched/sch_api.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 259321be1ad8..f30e3f7ad885 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -29,6 +29,7 @@
#include <linux/hrtimer.h>
#include <net/net_namespace.h>
+#include <net/sock.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
@@ -599,6 +600,7 @@ 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 tcmsg *tcm = NLMSG_DATA(n);
struct rtattr **tca = arg;
struct net_device *dev;
@@ -607,6 +609,9 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
struct Qdisc *p = NULL;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
return -ENODEV;
@@ -660,6 +665,7 @@ 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 tcmsg *tcm;
struct rtattr **tca;
struct net_device *dev;
@@ -667,6 +673,9 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
struct Qdisc *q, *p;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
replay:
/* Reinit, just in case something touches this. */
tcm = NLMSG_DATA(n);
@@ -872,11 +881,15 @@ err_out:
static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
int idx, q_idx;
int s_idx, s_q_idx;
struct net_device *dev;
struct Qdisc *q;
+ if (net != &init_net)
+ return 0;
+
s_idx = cb->args[0];
s_q_idx = q_idx = cb->args[1];
read_lock(&dev_base_lock);
@@ -920,6 +933,7 @@ done:
static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct tcmsg *tcm = NLMSG_DATA(n);
struct rtattr **tca = arg;
struct net_device *dev;
@@ -932,6 +946,9 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
u32 qid = TC_H_MAJ(clid);
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
return -ENODEV;
@@ -1106,6 +1123,7 @@ 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;
int t;
int s_t;
struct net_device *dev;
@@ -1113,6 +1131,9 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
struct tcmsg *tcm = (struct tcmsg*)NLMSG_DATA(cb->nlh);
struct qdisc_dump_args arg;
+ if (net != &init_net)
+ return 0;
+
if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))
return 0;
if ((dev = dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)