1 files changed, 6 insertions, 4 deletions

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 4c27615340dc..cf26ac74a188 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -747,7 +747,8 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
         skip_naddr = cb->args[1];
 
         idx = 0;
-        for_each_netdev(&init_net, dev) {
+        rcu_read_lock();
+        for_each_netdev_rcu(&init_net, dev) {
                 if (idx < skip_ndevs)
                         goto cont;
                 else if (idx > skip_ndevs) {
@@ -756,11 +757,11 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
                         skip_naddr = 0;
                 }
 
-                if ((dn_db = rtnl_dereference(dev->dn_ptr)) == NULL)
+                if ((dn_db = rcu_dereference(dev->dn_ptr)) == NULL)
                         goto cont;
 
-                for (ifa = rtnl_dereference(dn_db->ifa_list), dn_idx = 0; ifa;
-                     ifa = rtnl_dereference(ifa->ifa_next), dn_idx++) {
+                for (ifa = rcu_dereference(dn_db->ifa_list), dn_idx = 0; ifa;
+                     ifa = rcu_dereference(ifa->ifa_next), dn_idx++) {
                         if (dn_idx < skip_naddr)
                                 continue;
 
@@ -773,6 +774,7 @@ cont:
                 idx++;
         }
 done:
+        rcu_read_unlock();
         cb->args[0] = idx;
         cb->args[1] = dn_idx;