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-rw-r--r--net/decnet/dn_dev.c14
-rw-r--r--net/decnet/dn_fib.c8
-rw-r--r--net/decnet/dn_route.c8
-rw-r--r--net/decnet/dn_table.c4
4 files changed, 33 insertions, 1 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 3bc82dc83b38..94256845a057 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -647,11 +647,15 @@ static const struct nla_policy dn_ifa_policy[IFA_MAX+1] = {
static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct nlattr *tb[IFA_MAX+1];
struct dn_dev *dn_db;
struct ifaddrmsg *ifm;
struct dn_ifaddr *ifa, **ifap;
- int err;
+ int err = -EINVAL;
+
+ if (net != &init_net)
+ goto errout;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
if (err < 0)
@@ -681,6 +685,7 @@ errout:
static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct nlattr *tb[IFA_MAX+1];
struct net_device *dev;
struct dn_dev *dn_db;
@@ -688,6 +693,9 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct dn_ifaddr *ifa;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
if (err < 0)
return err;
@@ -793,11 +801,15 @@ errout:
static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
int idx, dn_idx = 0, skip_ndevs, skip_naddr;
struct net_device *dev;
struct dn_dev *dn_db;
struct dn_ifaddr *ifa;
+ if (net != &init_net)
+ return 0;
+
skip_ndevs = cb->args[0];
skip_naddr = cb->args[1];
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 3760a20d10d0..5413e1b75b5d 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -506,10 +506,14 @@ static int dn_fib_check_attr(struct rtmsg *r, struct rtattr **rta)
static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct dn_fib_table *tb;
struct rtattr **rta = arg;
struct rtmsg *r = NLMSG_DATA(nlh);
+ if (net != &init_net)
+ return -EINVAL;
+
if (dn_fib_check_attr(r, rta))
return -EINVAL;
@@ -522,10 +526,14 @@ static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *
static int dn_fib_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct dn_fib_table *tb;
struct rtattr **rta = arg;
struct rtmsg *r = NLMSG_DATA(nlh);
+ if (net != &init_net)
+ return -EINVAL;
+
if (dn_fib_check_attr(r, rta))
return -EINVAL;
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 2a5bb0714c7e..28aeba15cf12 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1511,6 +1511,7 @@ rtattr_failure:
*/
static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = in_skb->sk->sk_net;
struct rtattr **rta = arg;
struct rtmsg *rtm = NLMSG_DATA(nlh);
struct dn_route *rt = NULL;
@@ -1519,6 +1520,9 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
struct sk_buff *skb;
struct flowi fl;
+ if (net != &init_net)
+ return -EINVAL;
+
memset(&fl, 0, sizeof(fl));
fl.proto = DNPROTO_NSP;
@@ -1596,10 +1600,14 @@ out_free:
*/
int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
struct dn_route *rt;
int h, s_h;
int idx, s_idx;
+ if (net != &init_net)
+ return 0;
+
if (NLMSG_PAYLOAD(cb->nlh, 0) < sizeof(struct rtmsg))
return -EINVAL;
if (!(((struct rtmsg *)NLMSG_DATA(cb->nlh))->rtm_flags&RTM_F_CLONED))
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index fda0772fa215..a3bdb8dd1fb2 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -463,12 +463,16 @@ static int dn_fib_table_dump(struct dn_fib_table *tb, struct sk_buff *skb,
int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
unsigned int h, s_h;
unsigned int e = 0, s_e;
struct dn_fib_table *tb;
struct hlist_node *node;
int dumped = 0;
+ if (net != &init_net)
+ return 0;
+
if (NLMSG_PAYLOAD(cb->nlh, 0) >= sizeof(struct rtmsg) &&
((struct rtmsg *)NLMSG_DATA(cb->nlh))->rtm_flags&RTM_F_CLONED)
return dn_cache_dump(skb, cb);