diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index ca1f04e4a2d9eb3b2a6d6cc5b299aee28d569b08..21df483fda1bc97f69b37b904a1d5ca8e304f9db 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -261,21 +261,15 @@ static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
 
        ifindex = nla_get_u32(tb[RTA_OIF]);
 
-       rcu_read_lock();
-
-       dev = dev_get_by_index_rcu(net, ifindex);
-       if (!dev) {
-               rcu_read_unlock();
+       dev = dev_get_by_index(net, ifindex);
+       if (!dev)
                return -ENODEV;
-       }
 
        if (nlh->nlmsg_type == RTM_NEWROUTE)
                err = phonet_route_add(dev, dst);
        else
                err = phonet_route_del(dev, dst);
 
-       rcu_read_unlock();
-
        if (!err)
                rtm_phonet_notify(net, nlh->nlmsg_type, ifindex, dst);