diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index 743103786652d71824a7f43d64799826f361d8c6..d34a874177d570fdab40a5f6ac914c6ad011de27 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -362,6 +362,10 @@ void x25_disconnect(struct sock *sk, int reason, unsigned char cause,
 		sk->sk_state_change(sk);
 		sock_set_flag(sk, SOCK_DEAD);
 	}
+	read_lock_bh(&x25_list_lock);
+	x25_neigh_put(x25->neighbour);
+	x25->neighbour = NULL;
+	read_unlock_bh(&x25_list_lock);
 }
 
 /*