1 files changed, 36 insertions, 0 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 8c54870db792..6d6dd345bc4d 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1650,6 +1650,39 @@ static int __init init_ipv4_mibs(void)
         return register_pernet_subsys(&ipv4_mib_ops);
 }
 
+static __net_init int inet_init_net(struct net *net)
+{
+        /*
+         * Set defaults for local port range
+         */
+        seqlock_init(&net->ipv4.ip_local_ports.lock);
+        net->ipv4.ip_local_ports.range[0] =  32768;
+        net->ipv4.ip_local_ports.range[1] =  61000;
+
+        seqlock_init(&net->ipv4.ping_group_range.lock);
+        /*
+         * Sane defaults - nobody may create ping sockets.
+         * Boot scripts should set this to distro-specific group.
+         */
+        net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 1);
+        net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 0);
+        return 0;
+}
+
+static __net_exit void inet_exit_net(struct net *net)
+{
+}
+
+static __net_initdata struct pernet_operations af_inet_ops = {
+        .init = inet_init_net,
+        .exit = inet_exit_net,
+};
+
+static int __init init_inet_pernet_ops(void)
+{
+        return register_pernet_subsys(&af_inet_ops);
+}
+
 static int ipv4_proc_init(void);
 
 /*
@@ -1794,6 +1827,9 @@ static int __init inet_init(void)
         if (ip_mr_init())
                 pr_crit("%s: Cannot init ipv4 mroute\n", __func__);
 #endif
+
+        if (init_inet_pernet_ops())
+                pr_crit("%s: Cannot init ipv4 inet pernet ops\n", __func__);
         /*
          *      Initialise per-cpu ipv4 mibs
          */