1 files changed, 8 insertions, 0 deletions

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;