1 files changed, 11 insertions, 7 deletions

diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 7135e617ab0f..35c8923b5554 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -151,6 +151,7 @@ static struct ctl_table sctp_net_table[] = {
         },
         {
                 .procname       = "cookie_hmac_alg",
+                .data           = &init_net.sctp.sctp_hmac_alg,
                 .maxlen         = 8,
                 .mode           = 0644,
                 .proc_handler   = proc_sctp_do_hmac_alg,
@@ -401,15 +402,18 @@ static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
 
 int sctp_sysctl_net_register(struct net *net)
 {
-        struct ctl_table *table;
-        int i;
+        struct ctl_table *table = sctp_net_table;
+
+        if (!net_eq(net, &init_net)) {
+                int i;
 
-        table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL);
-        if (!table)
-                return -ENOMEM;
+                table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL);
+                if (!table)
+                        return -ENOMEM;
 
-        for (i = 0; table[i].data; i++)
-                table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
+                for (i = 0; table[i].data; i++)
+                        table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
+        }
 
         net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
         return 0;