1 files changed, 13 insertions, 0 deletions

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 4b1172d73e03..5cb1ef4ce292 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -97,6 +97,7 @@
 #include <net/route.h>
 #include <net/sock.h>
 #include <net/checksum.h>
+#include <net/inet_common.h>
 #include <linux/netfilter_ipv4.h>
 #ifdef CONFIG_IP_MROUTE
 #include <linux/mroute.h>
@@ -2740,6 +2741,7 @@ static const struct file_operations igmp_mcf_seq_fops = {
 static int __net_init igmp_net_init(struct net *net)
 {
         struct proc_dir_entry *pde;
+        int err;
 
         pde = proc_create("igmp", S_IRUGO, net->proc_net, &igmp_mc_seq_fops);
         if (!pde)
@@ -2748,8 +2750,18 @@ static int __net_init igmp_net_init(struct net *net)
                           &igmp_mcf_seq_fops);
         if (!pde)
                 goto out_mcfilter;
+        err = inet_ctl_sock_create(&net->ipv4.mc_autojoin_sk, AF_INET,
+                                   SOCK_DGRAM, 0, net);
+        if (err < 0) {
+                pr_err("Failed to initialize the IGMP autojoin socket (err %d)\n",
+                       err);
+                goto out_sock;
+        }
+
         return 0;
 
+out_sock:
+        remove_proc_entry("mcfilter", net->proc_net);
 out_mcfilter:
         remove_proc_entry("igmp", net->proc_net);
 out_igmp:
@@ -2760,6 +2772,7 @@ static void __net_exit igmp_net_exit(struct net *net)
 {
         remove_proc_entry("mcfilter", net->proc_net);
         remove_proc_entry("igmp", net->proc_net);
+        inet_ctl_sock_destroy(net->ipv4.mc_autojoin_sk);
 }
 
 static struct pernet_operations igmp_net_ops = {