--- zzzz-none-000/linux-4.9.231/net/atm/clip.c	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/net/atm/clip.c	2022-03-30 12:03:35.000000000 +0000
@@ -643,10 +643,14 @@
 	atmarpd = vcc;
 	set_bit(ATM_VF_META, &vcc->flags);
 	set_bit(ATM_VF_READY, &vcc->flags);
-	    /* allow replies and avoid getting closed if signaling dies */
+	/* allow replies and avoid getting closed if signaling dies */
 	vcc->dev = &atmarpd_dev;
 	vcc_insert_socket(sk_atm(vcc));
+#ifdef CONFIG_ATM_OAM
+	vcc->push_oam = push_oam;
+#else
 	vcc->push = NULL;
+#endif
 	vcc->pop = NULL; /* crash */
 	vcc->push_oam = NULL; /* crash */
 	rtnl_unlock();