69 static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc);
70 static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc);
71 static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc);
72 static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc);
73 static void mps_death(struct k_message *msg, struct mpoa_client *mpc);
74 static void clean_up(struct k_message *msg, struct mpoa_client *mpc,
77 				  struct mpoa_client *mpc);
79 				   struct mpoa_client *mpc);
81 				  struct mpoa_client *mpc);
83 static const uint8_t *copy_macs(struct mpoa_client *mpc,
89 static void send_set_mps_ctrl_addr(const char *addr, struct mpoa_client *mpc);
130 	struct mpoa_client *mpc;  in find_mpc_by_itfnum()  local
132 	mpc = mpcs;  /* our global linked list */  in find_mpc_by_itfnum()
133 	while (mpc != NULL) {  in find_mpc_by_itfnum()
134 		if (mpc->dev_num == itf)  in find_mpc_by_itfnum()
135 			return mpc;  in find_mpc_by_itfnum()
136 		mpc = mpc->next;  in find_mpc_by_itfnum()
144 	struct mpoa_client *mpc;  in find_mpc_by_vcc()  local
146 	mpc = mpcs;  /* our global linked list */  in find_mpc_by_vcc()
147 	while (mpc != NULL) {  in find_mpc_by_vcc()
148 		if (mpc->mpoad_vcc == vcc)  in find_mpc_by_vcc()
149 			return mpc;  in find_mpc_by_vcc()
150 		mpc = mpc->next;  in find_mpc_by_vcc()
158 	struct mpoa_client *mpc;  in find_mpc_by_lec()  local
160 	mpc = mpcs;  /* our global linked list */  in find_mpc_by_lec()
161 	while (mpc != NULL) {  in find_mpc_by_lec()
162 		if (mpc->dev == dev)  in find_mpc_by_lec()
163 			return mpc;  in find_mpc_by_lec()
164 		mpc = mpc->next;  in find_mpc_by_lec()
283 	struct mpoa_client *mpc;  in alloc_mpc()  local
285 	mpc = kzalloc(sizeof(struct mpoa_client), GFP_KERNEL);  in alloc_mpc()
286 	if (mpc == NULL)  in alloc_mpc()
288 	rwlock_init(&mpc->ingress_lock);  in alloc_mpc()
289 	rwlock_init(&mpc->egress_lock);  in alloc_mpc()
290 	mpc->next = mpcs;  in alloc_mpc()
291 	atm_mpoa_init_cache(mpc);  in alloc_mpc()
293 	mpc->parameters.mpc_p1 = MPC_P1;  in alloc_mpc()
294 	mpc->parameters.mpc_p2 = MPC_P2;  in alloc_mpc()
295 	memset(mpc->parameters.mpc_p3, 0, sizeof(mpc->parameters.mpc_p3));  in alloc_mpc()
296 	mpc->parameters.mpc_p4 = MPC_P4;  in alloc_mpc()
297 	mpc->parameters.mpc_p5 = MPC_P5;  in alloc_mpc()
298 	mpc->parameters.mpc_p6 = MPC_P6;  in alloc_mpc()
300 	mpcs = mpc;  in alloc_mpc()
302 	return mpc;  in alloc_mpc()
312 static void start_mpc(struct mpoa_client *mpc, struct net_device *dev)  in start_mpc()  argument
315 	dprintk("(%s)\n", mpc->dev->name);  in start_mpc()
319 		mpc->old_ops = dev->netdev_ops;  in start_mpc()
320 		mpc->new_ops = *mpc->old_ops;  in start_mpc()
321 		mpc->new_ops.ndo_start_xmit = mpc_send_packet;  in start_mpc()
322 		dev->netdev_ops = &mpc->new_ops;  in start_mpc()
326 static void stop_mpc(struct mpoa_client *mpc)  in stop_mpc()  argument
328 	struct net_device *dev = mpc->dev;  in stop_mpc()
329 	dprintk("(%s)", mpc->dev->name);  in stop_mpc()
332 	if (dev->netdev_ops != &mpc->new_ops) {  in stop_mpc()
338 	dev->netdev_ops = mpc->old_ops;  in stop_mpc()
339 	mpc->old_ops = NULL;  in stop_mpc()
381 	struct mpoa_client *mpc;  in lane2_assoc_ind()  local
386 	mpc = find_mpc_by_lec(dev); /* Sampo-Fix: moved here from below */  in lane2_assoc_ind()
387 	if (mpc == NULL) {  in lane2_assoc_ind()
447 		send_set_mps_ctrl_addr(tlvs, mpc);  in lane2_assoc_ind()
449 		tlvs = copy_macs(mpc, mac_addr, tlvs,  in lane2_assoc_ind()
464 static const uint8_t *copy_macs(struct mpoa_client *mpc,  in copy_macs()  argument
472 	if (mpc->number_of_mps_macs != num_macs) { /* need to reallocate? */  in copy_macs()
473 		if (mpc->number_of_mps_macs != 0)  in copy_macs()
474 			kfree(mpc->mps_macs);  in copy_macs()
475 		mpc->number_of_mps_macs = 0;  in copy_macs()
476 		mpc->mps_macs = kmalloc_array(ETH_ALEN, num_macs, GFP_KERNEL);  in copy_macs()
477 		if (mpc->mps_macs == NULL) {  in copy_macs()
478 			pr_info("(%s) out of mem\n", mpc->dev->name);  in copy_macs()
482 	ether_addr_copy(mpc->mps_macs, router_mac);  in copy_macs()
485 		memcpy(mpc->mps_macs, tlvs, mps_macs*ETH_ALEN);  in copy_macs()
487 	mpc->number_of_mps_macs = num_macs;  in copy_macs()
492 static int send_via_shortcut(struct sk_buff *skb, struct mpoa_client *mpc)  in send_via_shortcut()  argument
507 	buff = skb->data + mpc->dev->hard_header_len;  in send_via_shortcut()
512 		 mpc->dev->name, ipaddr);  in send_via_shortcut()
514 	entry = mpc->in_ops->get(ipaddr, mpc);  in send_via_shortcut()
516 		entry = mpc->in_ops->add_entry(ipaddr, mpc);  in send_via_shortcut()
518 			mpc->in_ops->put(entry);  in send_via_shortcut()
522 	if (mpc->in_ops->cache_hit(entry, mpc) != OPEN) {  in send_via_shortcut()
524 			 mpc->dev->name);  in send_via_shortcut()
525 		mpc->in_ops->put(entry);  in send_via_shortcut()
530 		 mpc->dev->name);  in send_via_shortcut()
534 			 mpc->dev->name, iph->ttl);  in send_via_shortcut()
535 		mpc->in_ops->put(entry);  in send_via_shortcut()
544 			 mpc->dev->name, entry->ctrl_info.tag);  in send_via_shortcut()
562 	mpc->in_ops->put(entry);  in send_via_shortcut()
573 	struct mpoa_client *mpc;  in mpc_send_packet()  local
577 	mpc = find_mpc_by_lec(dev); /* this should NEVER fail */  in mpc_send_packet()
578 	if (mpc == NULL) {  in mpc_send_packet()
594 	while (i < mpc->number_of_mps_macs) {  in mpc_send_packet()
595 		if (ether_addr_equal(eth->h_dest, mpc->mps_macs + i * ETH_ALEN))  in mpc_send_packet()
596 			if (send_via_shortcut(skb, mpc) == 0) /* try shortcut */  in mpc_send_packet()
602 	return __netdev_start_xmit(mpc->old_ops, skb, dev, false);  in mpc_send_packet()
608 	struct mpoa_client *mpc;  in atm_mpoa_vcc_attach()  local
623 	mpc = find_mpc_by_itfnum(ioc_data.dev_num);  in atm_mpoa_vcc_attach()
624 	if (mpc == NULL)  in atm_mpoa_vcc_attach()
628 		in_entry = mpc->in_ops->get(ipaddr, mpc);  in atm_mpoa_vcc_attach()
632 				mpc->dev->name);  in atm_mpoa_vcc_attach()
634 				mpc->in_ops->put(in_entry);  in atm_mpoa_vcc_attach()
638 			mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);  in atm_mpoa_vcc_attach()
640 		mpc->in_ops->put(in_entry);  in atm_mpoa_vcc_attach()
642 		pr_info("(%s) attaching egress SVC\n", mpc->dev->name);  in atm_mpoa_vcc_attach()
645 	vcc->proto_data = mpc->dev;  in atm_mpoa_vcc_attach()
656 	struct mpoa_client *mpc;  in mpc_vcc_close()  local
660 	mpc = find_mpc_by_lec(dev);  in mpc_vcc_close()
661 	if (mpc == NULL) {  in mpc_vcc_close()
667 	in_entry = mpc->in_ops->get_by_vcc(vcc, mpc);  in mpc_vcc_close()
670 			mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);  in mpc_vcc_close()
672 		mpc->in_ops->put(in_entry);  in mpc_vcc_close()
674 	eg_entry = mpc->eg_ops->get_by_vcc(vcc, mpc);  in mpc_vcc_close()
676 		dprintk("(%s) egress SVC closed\n", mpc->dev->name);  in mpc_vcc_close()
678 		mpc->eg_ops->put(eg_entry);  in mpc_vcc_close()
690 	struct mpoa_client *mpc;  in mpc_push()  local
716 	mpc = find_mpc_by_lec(dev);  in mpc_push()
717 	if (mpc == NULL) {  in mpc_push()
741 	eg = mpc->eg_ops->get_by_tag(tag, mpc);  in mpc_push()
765 		mpc->eg_ops->put(eg);  in mpc_push()
776 	mpc->eg_ops->put(eg);  in mpc_push()
797 	struct mpoa_client *mpc;  in atm_mpoa_mpoad_attach()  local
812 	mpc = find_mpc_by_itfnum(arg);  in atm_mpoa_mpoad_attach()
813 	if (mpc == NULL) {  in atm_mpoa_mpoad_attach()
815 		mpc = alloc_mpc();  in atm_mpoa_mpoad_attach()
816 		if (mpc == NULL)  in atm_mpoa_mpoad_attach()
818 		mpc->dev_num = arg;  in atm_mpoa_mpoad_attach()
819 		mpc->dev = find_lec_by_itfnum(arg);  in atm_mpoa_mpoad_attach()
822 	if (mpc->mpoad_vcc) {  in atm_mpoa_mpoad_attach()
827 	if (mpc->dev) { /* check if the lec is LANE2 capable */  in atm_mpoa_mpoad_attach()
828 		priv = netdev_priv(mpc->dev);  in atm_mpoa_mpoad_attach()
830 			dev_put(mpc->dev);  in atm_mpoa_mpoad_attach()
831 			mpc->dev = NULL;  in atm_mpoa_mpoad_attach()
836 	mpc->mpoad_vcc = vcc;  in atm_mpoa_mpoad_attach()
842 	if (mpc->dev) {  in atm_mpoa_mpoad_attach()
846 		start_mpc(mpc, mpc->dev);  in atm_mpoa_mpoad_attach()
850 		if (memcmp(mpc->mps_ctrl_addr, empty, ATM_ESA_LEN) != 0)  in atm_mpoa_mpoad_attach()
851 			send_set_mps_ctrl_addr(mpc->mps_ctrl_addr, mpc);  in atm_mpoa_mpoad_attach()
858 static void send_set_mps_ctrl_addr(const char *addr, struct mpoa_client *mpc)  in send_set_mps_ctrl_addr()  argument
862 	memcpy(mpc->mps_ctrl_addr, addr, ATM_ESA_LEN);  in send_set_mps_ctrl_addr()
866 	msg_to_mpoad(&mesg, mpc);  in send_set_mps_ctrl_addr()
871 	struct mpoa_client *mpc;  in mpoad_close()  local
874 	mpc = find_mpc_by_vcc(vcc);  in mpoad_close()
875 	if (mpc == NULL) {  in mpoad_close()
879 	if (!mpc->mpoad_vcc) {  in mpoad_close()
884 	mpc->mpoad_vcc = NULL;  in mpoad_close()
885 	if (mpc->dev) {  in mpoad_close()
886 		struct lec_priv *priv = netdev_priv(mpc->dev);  in mpoad_close()
888 		stop_mpc(mpc);  in mpoad_close()
889 		dev_put(mpc->dev);  in mpoad_close()
892 	mpc->in_ops->destroy_cache(mpc);  in mpoad_close()
893 	mpc->eg_ops->destroy_cache(mpc);  in mpoad_close()
901 		(mpc->dev) ? mpc->dev->name : "<unknown>");  in mpoad_close()
911 	struct mpoa_client *mpc = find_mpc_by_vcc(vcc);  in msg_from_mpoad()  local
915 	if (mpc == NULL) {  in msg_from_mpoad()
919 	dprintk("(%s)", mpc->dev ? mpc->dev->name : "<unknown>");  in msg_from_mpoad()
923 		MPOA_res_reply_rcvd(mesg, mpc);  in msg_from_mpoad()
927 		MPOA_trigger_rcvd(mesg, mpc);  in msg_from_mpoad()
931 		ingress_purge_rcvd(mesg, mpc);  in msg_from_mpoad()
935 		egress_purge_rcvd(mesg, mpc);  in msg_from_mpoad()
939 		mps_death(mesg, mpc);  in msg_from_mpoad()
943 		MPOA_cache_impos_rcvd(mesg, mpc);  in msg_from_mpoad()
947 		set_mpc_ctrl_addr_rcvd(mesg, mpc);  in msg_from_mpoad()
951 		set_mps_mac_addr_rcvd(mesg, mpc);  in msg_from_mpoad()
955 		clean_up(mesg, mpc, DIE);  in msg_from_mpoad()
959 		clean_up(mesg, mpc, RELOAD);  in msg_from_mpoad()
963 		mpc->parameters = mesg->content.params;  in msg_from_mpoad()
975 int msg_to_mpoad(struct k_message *mesg, struct mpoa_client *mpc)  in msg_to_mpoad()  argument
980 	if (mpc == NULL || !mpc->mpoad_vcc) {  in msg_to_mpoad()
990 	atm_force_charge(mpc->mpoad_vcc, skb->truesize);  in msg_to_mpoad()
992 	sk = sk_atm(mpc->mpoad_vcc);  in msg_to_mpoad()
1003 	struct mpoa_client *mpc;  in mpoa_event_listener()  local
1018 		mpc = find_mpc_by_itfnum(priv->itfnum);  in mpoa_event_listener()
1019 		if (mpc == NULL) {  in mpoa_event_listener()
1021 			mpc = alloc_mpc();  in mpoa_event_listener()
1022 			if (mpc == NULL) {  in mpoa_event_listener()
1027 		mpc->dev_num = priv->itfnum;  in mpoa_event_listener()
1028 		mpc->dev = dev;  in mpoa_event_listener()
1034 		mpc = find_mpc_by_lec(dev);  in mpoa_event_listener()
1035 		if (mpc == NULL)  in mpoa_event_listener()
1038 		stop_mpc(mpc);  in mpoa_event_listener()
1039 		dev_put(mpc->dev);  in mpoa_event_listener()
1040 		mpc->dev = NULL;  in mpoa_event_listener()
1044 		mpc = find_mpc_by_lec(dev);  in mpoa_event_listener()
1045 		if (mpc == NULL)  in mpoa_event_listener()
1047 		if (mpc->mpoad_vcc != NULL)  in mpoa_event_listener()
1048 			start_mpc(mpc, dev);  in mpoa_event_listener()
1055 		mpc = find_mpc_by_lec(dev);  in mpoa_event_listener()
1056 		if (mpc == NULL)  in mpoa_event_listener()
1058 		if (mpc->mpoad_vcc != NULL)  in mpoa_event_listener()
1059 			stop_mpc(mpc);  in mpoa_event_listener()
1080 static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc)  in MPOA_trigger_rcvd()  argument
1085 	entry = mpc->in_ops->get(dst_ip, mpc);  in MPOA_trigger_rcvd()
1087 		entry = mpc->in_ops->add_entry(dst_ip, mpc);  in MPOA_trigger_rcvd()
1091 		msg_to_mpoad(msg, mpc);  in MPOA_trigger_rcvd()
1093 		mpc->in_ops->put(entry);  in MPOA_trigger_rcvd()
1101 		msg_to_mpoad(msg, mpc);  in MPOA_trigger_rcvd()
1103 		mpc->in_ops->put(entry);  in MPOA_trigger_rcvd()
1108 		(mpc->dev) ? mpc->dev->name : "<unknown>");  in MPOA_trigger_rcvd()
1109 	mpc->in_ops->put(entry);  in MPOA_trigger_rcvd()
1155 static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc)  in MPOA_res_reply_rcvd()  argument
1158 	in_cache_entry *entry = mpc->in_ops->get(dst_ip, mpc);  in MPOA_res_reply_rcvd()
1161 		mpc->dev->name, &dst_ip);  in MPOA_res_reply_rcvd()
1163 		 mpc->dev->name, entry);  in MPOA_res_reply_rcvd()
1166 			mpc->dev->name);  in MPOA_res_reply_rcvd()
1172 		pr_info("(%s) RESOLVED entry!\n", mpc->dev->name);  in MPOA_res_reply_rcvd()
1173 		mpc->in_ops->put(entry);  in MPOA_res_reply_rcvd()
1187 		mpc->in_ops->put(entry);  in MPOA_res_reply_rcvd()
1193 			mpc->dev->name);  in MPOA_res_reply_rcvd()
1194 		mpc->in_ops->put(entry);  in MPOA_res_reply_rcvd()
1198 	check_qos_and_open_shortcut(msg, mpc, entry);  in MPOA_res_reply_rcvd()
1200 	mpc->in_ops->put(entry);  in MPOA_res_reply_rcvd()
1206 static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)  in ingress_purge_rcvd()  argument
1210 	in_cache_entry *entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask);  in ingress_purge_rcvd()
1214 			mpc->dev->name, &dst_ip);  in ingress_purge_rcvd()
1220 			mpc->dev->name, &dst_ip);  in ingress_purge_rcvd()
1221 		write_lock_bh(&mpc->ingress_lock);  in ingress_purge_rcvd()
1222 		mpc->in_ops->remove_entry(entry, mpc);  in ingress_purge_rcvd()
1223 		write_unlock_bh(&mpc->ingress_lock);  in ingress_purge_rcvd()
1224 		mpc->in_ops->put(entry);  in ingress_purge_rcvd()
1225 		entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask);  in ingress_purge_rcvd()
1229 static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)  in egress_purge_rcvd()  argument
1232 	eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(cache_id, mpc);  in egress_purge_rcvd()
1236 			mpc->dev->name);  in egress_purge_rcvd()
1240 	write_lock_irq(&mpc->egress_lock);  in egress_purge_rcvd()
1241 	mpc->eg_ops->remove_entry(entry, mpc);  in egress_purge_rcvd()
1242 	write_unlock_irq(&mpc->egress_lock);  in egress_purge_rcvd()
1244 	mpc->eg_ops->put(entry);  in egress_purge_rcvd()
1284 static void mps_death(struct k_message *msg, struct mpoa_client *mpc)  in mps_death()  argument
1288 	dprintk("(%s)\n", mpc->dev->name);  in mps_death()
1290 	if (memcmp(msg->MPS_ctrl, mpc->mps_ctrl_addr, ATM_ESA_LEN)) {  in mps_death()
1291 		pr_info("(%s) wrong MPS\n", mpc->dev->name);  in mps_death()
1296 	read_lock_irq(&mpc->egress_lock);  in mps_death()
1297 	entry = mpc->eg_cache;  in mps_death()
1302 	read_unlock_irq(&mpc->egress_lock);  in mps_death()
1304 	mpc->in_ops->destroy_cache(mpc);  in mps_death()
1305 	mpc->eg_ops->destroy_cache(mpc);  in mps_death()
1309 				  struct mpoa_client *mpc)  in MPOA_cache_impos_rcvd()  argument
1312 	eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(msg->content.eg_info.cache_id, mpc);  in MPOA_cache_impos_rcvd()
1316 		mpc->dev->name, entry, holding_time);  in MPOA_cache_impos_rcvd()
1318 		entry = mpc->eg_ops->add_entry(msg, mpc);  in MPOA_cache_impos_rcvd()
1319 		mpc->eg_ops->put(entry);  in MPOA_cache_impos_rcvd()
1323 		mpc->eg_ops->update(entry, holding_time);  in MPOA_cache_impos_rcvd()
1327 	write_lock_irq(&mpc->egress_lock);  in MPOA_cache_impos_rcvd()
1328 	mpc->eg_ops->remove_entry(entry, mpc);  in MPOA_cache_impos_rcvd()
1329 	write_unlock_irq(&mpc->egress_lock);  in MPOA_cache_impos_rcvd()
1331 	mpc->eg_ops->put(entry);  in MPOA_cache_impos_rcvd()
1335 				   struct mpoa_client *mpc)  in set_mpc_ctrl_addr_rcvd()  argument
1348 	memcpy(mpc->our_ctrl_addr, mesg->MPS_ctrl, ATM_ESA_LEN);  in set_mpc_ctrl_addr_rcvd()
1351 		mpc->dev ? mpc->dev->name : "<unknown>");  in set_mpc_ctrl_addr_rcvd()
1356 	if (mpc->dev) {  in set_mpc_ctrl_addr_rcvd()
1357 		priv = netdev_priv(mpc->dev);  in set_mpc_ctrl_addr_rcvd()
1358 		retval = priv->lane2_ops->associate_req(mpc->dev,  in set_mpc_ctrl_addr_rcvd()
1359 							mpc->dev->dev_addr,  in set_mpc_ctrl_addr_rcvd()
1363 				mpc->dev->name);  in set_mpc_ctrl_addr_rcvd()
1364 		retval = priv->lane2_ops->resolve(mpc->dev, NULL, 1, NULL, NULL);  in set_mpc_ctrl_addr_rcvd()
1367 				mpc->dev->name);  in set_mpc_ctrl_addr_rcvd()
1389 static void clean_up(struct k_message *msg, struct mpoa_client *mpc, int action)  in clean_up()  argument
1397 	read_lock_irq(&mpc->egress_lock);  in clean_up()
1398 	entry = mpc->eg_cache;  in clean_up()
1402 		msg_to_mpoad(msg, mpc);  in clean_up()
1405 	read_unlock_irq(&mpc->egress_lock);  in clean_up()
1408 	msg_to_mpoad(msg, mpc);  in clean_up()
1422 	struct mpoa_client *mpc = mpcs;  in mpc_cache_check()  local
1426 	while (mpc != NULL) {  in mpc_cache_check()
1427 		mpc->in_ops->clear_count(mpc);  in mpc_cache_check()
1428 		mpc->eg_ops->clear_expired(mpc);  in mpc_cache_check()
1430 		    mpc->parameters.mpc_p4 * HZ) {  in mpc_cache_check()
1431 			mpc->in_ops->check_resolving(mpc);  in mpc_cache_check()
1435 		    mpc->parameters.mpc_p5 * HZ) {  in mpc_cache_check()
1436 			mpc->in_ops->refresh(mpc);  in mpc_cache_check()
1439 		mpc = mpc->next;  in mpc_cache_check()
1490 	struct mpoa_client *mpc, *tmp;  in atm_mpoa_cleanup()  local
1500 	mpc = mpcs;  in atm_mpoa_cleanup()
1502 	while (mpc != NULL) {  in atm_mpoa_cleanup()
1503 		tmp = mpc->next;  in atm_mpoa_cleanup()
1504 		if (mpc->dev != NULL) {  in atm_mpoa_cleanup()
1505 			stop_mpc(mpc);  in atm_mpoa_cleanup()
1506 			priv = netdev_priv(mpc->dev);  in atm_mpoa_cleanup()
1511 		mpc->in_ops->destroy_cache(mpc);  in atm_mpoa_cleanup()
1512 		mpc->eg_ops->destroy_cache(mpc);  in atm_mpoa_cleanup()
1514 		kfree(mpc->mps_macs);  in atm_mpoa_cleanup()
1515 		memset(mpc, 0, sizeof(struct mpoa_client));  in atm_mpoa_cleanup()
1516 		ddprintk("about to kfree %p\n", mpc);  in atm_mpoa_cleanup()
1517 		kfree(mpc);  in atm_mpoa_cleanup()
1519 		mpc = tmp;  in atm_mpoa_cleanup()