diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index ea3b6ee21fc9..19acd00a6382 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -291,23 +291,23 @@ int dn_sockaddr2username(struct sockaddr_dn *sdn, unsigned char *buf, unsigned c
 
 	*buf++ = type;
 
-	switch(type) {
-		case 0:
-			*buf++ = sdn->sdn_objnum;
-			break;
-		case 1:
-			*buf++ = 0;
-			*buf++ = le16_to_cpu(sdn->sdn_objnamel);
-			memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
-			len = 3 + le16_to_cpu(sdn->sdn_objnamel);
-			break;
-		case 2:
-			memset(buf, 0, 5);
-			buf += 5;
-			*buf++ = le16_to_cpu(sdn->sdn_objnamel);
-			memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
-			len = 7 + le16_to_cpu(sdn->sdn_objnamel);
-			break;
+	switch (type) {
+	case 0:
+		*buf++ = sdn->sdn_objnum;
+		break;
+	case 1:
+		*buf++ = 0;
+		*buf++ = le16_to_cpu(sdn->sdn_objnamel);
+		memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
+		len = 3 + le16_to_cpu(sdn->sdn_objnamel);
+		break;
+	case 2:
+		memset(buf, 0, 5);
+		buf += 5;
+		*buf++ = le16_to_cpu(sdn->sdn_objnamel);
+		memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
+		len = 7 + le16_to_cpu(sdn->sdn_objnamel);
+		break;
 	}
 
 	return len;
@@ -337,23 +337,23 @@ int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *sdn,
 	*fmt = *data++;
 	type = *data++;
 
-	switch(*fmt) {
-		case 0:
-			sdn->sdn_objnum = type;
-			return 2;
-		case 1:
-			namel = 16;
-			break;
-		case 2:
-			len  -= 4;
-			data += 4;
-			break;
-		case 4:
-			len  -= 8;
-			data += 8;
-			break;
-		default:
-			return -1;
+	switch (*fmt) {
+	case 0:
+		sdn->sdn_objnum = type;
+		return 2;
+	case 1:
+		namel = 16;
+		break;
+	case 2:
+		len  -= 4;
+		data += 4;
+		break;
+	case 4:
+		len  -= 8;
+		data += 8;
+		break;
+	default:
+		return -1;
 	}
 
 	len -= 1;
@@ -575,25 +575,26 @@ int dn_destroy_timer(struct sock *sk)
 
 	scp->persist = dn_nsp_persist(sk);
 
-	switch(scp->state) {
-		case DN_DI:
-			dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
-			if (scp->nsp_rxtshift >= decnet_di_count)
-				scp->state = DN_CN;
-			return 0;
+	switch (scp->state) {
+	case DN_DI:
+		dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
+		if (scp->nsp_rxtshift >= decnet_di_count)
+			scp->state = DN_CN;
+		return 0;
 
-		case DN_DR:
-			dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
-			if (scp->nsp_rxtshift >= decnet_dr_count)
-				scp->state = DN_DRC;
-			return 0;
+	case DN_DR:
+		dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
+		if (scp->nsp_rxtshift >= decnet_dr_count)
+			scp->state = DN_DRC;
+		return 0;
 
-		case DN_DN:
-			if (scp->nsp_rxtshift < decnet_dn_count) {
-				/* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */
-				dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC, GFP_ATOMIC);
-				return 0;
-			}
+	case DN_DN:
+		if (scp->nsp_rxtshift < decnet_dn_count) {
+			/* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */
+			dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
+					 GFP_ATOMIC);
+			return 0;
+		}
 	}
 
 	scp->persist = (HZ * decnet_time_wait);
@@ -623,42 +624,42 @@ static void dn_destroy_sock(struct sock *sk)
 
 	sk->sk_state = TCP_CLOSE;
 
-	switch(scp->state) {
-		case DN_DN:
-			dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
-					 sk->sk_allocation);
-			scp->persist_fxn = dn_destroy_timer;
-			scp->persist = dn_nsp_persist(sk);
-			break;
-		case DN_CR:
-			scp->state = DN_DR;
-			goto disc_reject;
-		case DN_RUN:
-			scp->state = DN_DI;
-		case DN_DI:
-		case DN_DR:
+	switch (scp->state) {
+	case DN_DN:
+		dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
+				 sk->sk_allocation);
+		scp->persist_fxn = dn_destroy_timer;
+		scp->persist = dn_nsp_persist(sk);
+		break;
+	case DN_CR:
+		scp->state = DN_DR;
+		goto disc_reject;
+	case DN_RUN:
+		scp->state = DN_DI;
+	case DN_DI:
+	case DN_DR:
 disc_reject:
-			dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
-		case DN_NC:
-		case DN_NR:
-		case DN_RJ:
-		case DN_DIC:
-		case DN_CN:
-		case DN_DRC:
-		case DN_CI:
-		case DN_CD:
-			scp->persist_fxn = dn_destroy_timer;
-			scp->persist = dn_nsp_persist(sk);
-			break;
-		default:
-			printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
-		case DN_O:
-			dn_stop_slow_timer(sk);
+		dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
+	case DN_NC:
+	case DN_NR:
+	case DN_RJ:
+	case DN_DIC:
+	case DN_CN:
+	case DN_DRC:
+	case DN_CI:
+	case DN_CD:
+		scp->persist_fxn = dn_destroy_timer;
+		scp->persist = dn_nsp_persist(sk);
+		break;
+	default:
+		printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
+	case DN_O:
+		dn_stop_slow_timer(sk);
 
-			dn_unhash_sock_bh(sk);
-			sock_put(sk);
+		dn_unhash_sock_bh(sk);
+		sock_put(sk);
 
-			break;
+		break;
 	}
 }
 
@@ -683,15 +684,15 @@ static int dn_create(struct net *net, struct socket *sock, int protocol,
 	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
-	switch(sock->type) {
-		case SOCK_SEQPACKET:
-			if (protocol != DNPROTO_NSP)
-				return -EPROTONOSUPPORT;
-			break;
-		case SOCK_STREAM:
-			break;
-		default:
-			return -ESOCKTNOSUPPORT;
+	switch (sock->type) {
+	case SOCK_SEQPACKET:
+		if (protocol != DNPROTO_NSP)
+			return -EPROTONOSUPPORT;
+		break;
+	case SOCK_STREAM:
+		break;
+	default:
+		return -ESOCKTNOSUPPORT;
 	}
 
 
@@ -987,16 +988,16 @@ static inline int dn_check_state(struct sock *sk, struct sockaddr_dn *addr, int
 {
 	struct dn_scp *scp = DN_SK(sk);
 
-	switch(scp->state) {
-		case DN_RUN:
-			return 0;
-		case DN_CR:
-			return dn_confirm_accept(sk, timeo, sk->sk_allocation);
-		case DN_CI:
-		case DN_CC:
-			return dn_wait_run(sk, timeo);
-		case DN_O:
-			return __dn_connect(sk, addr, addrlen, timeo, flags);
+	switch (scp->state) {
+	case DN_RUN:
+		return 0;
+	case DN_CR:
+		return dn_confirm_accept(sk, timeo, sk->sk_allocation);
+	case DN_CI:
+	case DN_CC:
+		return dn_wait_run(sk, timeo);
+	case DN_O:
+		return __dn_connect(sk, addr, addrlen, timeo, flags);
 	}
 
 	return -EINVAL;
@@ -1363,141 +1364,140 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us
 	if (copy_from_user(&u, optval, optlen))
 		return -EFAULT;
 
-	switch(optname) {
-		case DSO_CONDATA:
-			if (sock->state == SS_CONNECTED)
-				return -EISCONN;
-			if ((scp->state != DN_O) && (scp->state != DN_CR))
-				return -EINVAL;
+	switch (optname) {
+	case DSO_CONDATA:
+		if (sock->state == SS_CONNECTED)
+			return -EISCONN;
+		if ((scp->state != DN_O) && (scp->state != DN_CR))
+			return -EINVAL;
 
-			if (optlen != sizeof(struct optdata_dn))
-				return -EINVAL;
+		if (optlen != sizeof(struct optdata_dn))
+			return -EINVAL;
 
-			if (le16_to_cpu(u.opt.opt_optl) > 16)
-				return -EINVAL;
+		if (le16_to_cpu(u.opt.opt_optl) > 16)
+			return -EINVAL;
 
-			memcpy(&scp->conndata_out, &u.opt, optlen);
-			break;
+		memcpy(&scp->conndata_out, &u.opt, optlen);
+		break;
 
-		case DSO_DISDATA:
-			if (sock->state != SS_CONNECTED && scp->accept_mode == ACC_IMMED)
-				return -ENOTCONN;
+	case DSO_DISDATA:
+		if (sock->state != SS_CONNECTED &&
+		    scp->accept_mode == ACC_IMMED)
+			return -ENOTCONN;
 
-			if (optlen != sizeof(struct optdata_dn))
-				return -EINVAL;
+		if (optlen != sizeof(struct optdata_dn))
+			return -EINVAL;
 
-			if (le16_to_cpu(u.opt.opt_optl) > 16)
-				return -EINVAL;
+		if (le16_to_cpu(u.opt.opt_optl) > 16)
+			return -EINVAL;
 
-			memcpy(&scp->discdata_out, &u.opt, optlen);
-			break;
+		memcpy(&scp->discdata_out, &u.opt, optlen);
+		break;
 
-		case DSO_CONACCESS:
-			if (sock->state == SS_CONNECTED)
-				return -EISCONN;
-			if (scp->state != DN_O)
-				return -EINVAL;
+	case DSO_CONACCESS:
+		if (sock->state == SS_CONNECTED)
+			return -EISCONN;
+		if (scp->state != DN_O)
+			return -EINVAL;
 
-			if (optlen != sizeof(struct accessdata_dn))
-				return -EINVAL;
+		if (optlen != sizeof(struct accessdata_dn))
+			return -EINVAL;
 
-			if ((u.acc.acc_accl > DN_MAXACCL) ||
-					(u.acc.acc_passl > DN_MAXACCL) ||
-					(u.acc.acc_userl > DN_MAXACCL))
-				return -EINVAL;
+		if ((u.acc.acc_accl > DN_MAXACCL) ||
+		    (u.acc.acc_passl > DN_MAXACCL) ||
+		    (u.acc.acc_userl > DN_MAXACCL))
+			return -EINVAL;
 
-			memcpy(&scp->accessdata, &u.acc, optlen);
-			break;
+		memcpy(&scp->accessdata, &u.acc, optlen);
+		break;
 
-		case DSO_ACCEPTMODE:
-			if (sock->state == SS_CONNECTED)
-				return -EISCONN;
-			if (scp->state != DN_O)
-				return -EINVAL;
+	case DSO_ACCEPTMODE:
+		if (sock->state == SS_CONNECTED)
+			return -EISCONN;
+		if (scp->state != DN_O)
+			return -EINVAL;
 
-			if (optlen != sizeof(int))
-				return -EINVAL;
+		if (optlen != sizeof(int))
+			return -EINVAL;
 
-			if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER))
-				return -EINVAL;
+		if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER))
+			return -EINVAL;
 
-			scp->accept_mode = (unsigned char)u.mode;
-			break;
+		scp->accept_mode = (unsigned char)u.mode;
+		break;
 
-		case DSO_CONACCEPT:
+	case DSO_CONACCEPT:
+		if (scp->state != DN_CR)
+			return -EINVAL;
+		timeo = sock_rcvtimeo(sk, 0);
+		err = dn_confirm_accept(sk, &timeo, sk->sk_allocation);
+		return err;
 
-			if (scp->state != DN_CR)
-				return -EINVAL;
-			timeo = sock_rcvtimeo(sk, 0);
-			err = dn_confirm_accept(sk, &timeo, sk->sk_allocation);
-			return err;
+	case DSO_CONREJECT:
+		if (scp->state != DN_CR)
+			return -EINVAL;
 
-		case DSO_CONREJECT:
+		scp->state = DN_DR;
+		sk->sk_shutdown = SHUTDOWN_MASK;
+		dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation);
+		break;
 
-			if (scp->state != DN_CR)
-				return -EINVAL;
-
-			scp->state = DN_DR;
-			sk->sk_shutdown = SHUTDOWN_MASK;
-			dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation);
-			break;
-
-		default:
+	default:
 #ifdef CONFIG_NETFILTER
 		return nf_setsockopt(sk, PF_DECnet, optname, optval, optlen);
 #endif
-		case DSO_LINKINFO:
-		case DSO_STREAM:
-		case DSO_SEQPACKET:
-			return -ENOPROTOOPT;
+	case DSO_LINKINFO:
+	case DSO_STREAM:
+	case DSO_SEQPACKET:
+		return -ENOPROTOOPT;
 
-		case DSO_MAXWINDOW:
-			if (optlen != sizeof(unsigned long))
-				return -EINVAL;
-			if (u.win > NSP_MAX_WINDOW)
-				u.win = NSP_MAX_WINDOW;
-			if (u.win == 0)
-				return -EINVAL;
-			scp->max_window = u.win;
-			if (scp->snd_window > u.win)
-				scp->snd_window = u.win;
-			break;
+	case DSO_MAXWINDOW:
+		if (optlen != sizeof(unsigned long))
+			return -EINVAL;
+		if (u.win > NSP_MAX_WINDOW)
+			u.win = NSP_MAX_WINDOW;
+		if (u.win == 0)
+			return -EINVAL;
+		scp->max_window = u.win;
+		if (scp->snd_window > u.win)
+			scp->snd_window = u.win;
+		break;
 
-		case DSO_NODELAY:
-			if (optlen != sizeof(int))
-				return -EINVAL;
-			if (scp->nonagle == 2)
-				return -EINVAL;
-			scp->nonagle = (u.val == 0) ? 0 : 1;
-			/* if (scp->nonagle == 1) { Push pending frames } */
-			break;
+	case DSO_NODELAY:
+		if (optlen != sizeof(int))
+			return -EINVAL;
+		if (scp->nonagle == 2)
+			return -EINVAL;
+		scp->nonagle = (u.val == 0) ? 0 : 1;
+		/* if (scp->nonagle == 1) { Push pending frames } */
+		break;
 
-		case DSO_CORK:
-			if (optlen != sizeof(int))
-				return -EINVAL;
-			if (scp->nonagle == 1)
-				return -EINVAL;
-			scp->nonagle = (u.val == 0) ? 0 : 2;
-			/* if (scp->nonagle == 0) { Push pending frames } */
-			break;
+	case DSO_CORK:
+		if (optlen != sizeof(int))
+			return -EINVAL;
+		if (scp->nonagle == 1)
+			return -EINVAL;
+		scp->nonagle = (u.val == 0) ? 0 : 2;
+		/* if (scp->nonagle == 0) { Push pending frames } */
+		break;
 
-		case DSO_SERVICES:
-			if (optlen != sizeof(unsigned char))
-				return -EINVAL;
-			if ((u.services & ~NSP_FC_MASK) != 0x01)
-				return -EINVAL;
-			if ((u.services & NSP_FC_MASK) == NSP_FC_MASK)
-				return -EINVAL;
-			scp->services_loc = u.services;
-			break;
+	case DSO_SERVICES:
+		if (optlen != sizeof(unsigned char))
+			return -EINVAL;
+		if ((u.services & ~NSP_FC_MASK) != 0x01)
+			return -EINVAL;
+		if ((u.services & NSP_FC_MASK) == NSP_FC_MASK)
+			return -EINVAL;
+		scp->services_loc = u.services;
+		break;
 
-		case DSO_INFO:
-			if (optlen != sizeof(unsigned char))
-				return -EINVAL;
-			if (u.info & 0xfc)
-				return -EINVAL;
-			scp->info_loc = u.info;
-			break;
+	case DSO_INFO:
+		if (optlen != sizeof(unsigned char))
+			return -EINVAL;
+		if (u.info & 0xfc)
+			return -EINVAL;
+		scp->info_loc = u.info;
+		break;
 	}
 
 	return 0;
@@ -1527,107 +1527,106 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us
 	if(get_user(r_len , optlen))
 		return -EFAULT;
 
-	switch(optname) {
-		case DSO_CONDATA:
-			if (r_len > sizeof(struct optdata_dn))
-				r_len = sizeof(struct optdata_dn);
-			r_data = &scp->conndata_in;
+	switch (optname) {
+	case DSO_CONDATA:
+		if (r_len > sizeof(struct optdata_dn))
+			r_len = sizeof(struct optdata_dn);
+		r_data = &scp->conndata_in;
+		break;
+
+	case DSO_DISDATA:
+		if (r_len > sizeof(struct optdata_dn))
+			r_len = sizeof(struct optdata_dn);
+		r_data = &scp->discdata_in;
+		break;
+
+	case DSO_CONACCESS:
+		if (r_len > sizeof(struct accessdata_dn))
+			r_len = sizeof(struct accessdata_dn);
+		r_data = &scp->accessdata;
+		break;
+
+	case DSO_ACCEPTMODE:
+		if (r_len > sizeof(unsigned char))
+			r_len = sizeof(unsigned char);
+		r_data = &scp->accept_mode;
+		break;
+
+	case DSO_LINKINFO:
+		if (r_len > sizeof(struct linkinfo_dn))
+			r_len = sizeof(struct linkinfo_dn);
+
+		memset(&link, 0, sizeof(link));
+
+		switch (sock->state) {
+		case SS_CONNECTING:
+			link.idn_linkstate = LL_CONNECTING;
 			break;
-
-		case DSO_DISDATA:
-			if (r_len > sizeof(struct optdata_dn))
-				r_len = sizeof(struct optdata_dn);
-			r_data = &scp->discdata_in;
+		case SS_DISCONNECTING:
+			link.idn_linkstate = LL_DISCONNECTING;
 			break;
-
-		case DSO_CONACCESS:
-			if (r_len > sizeof(struct accessdata_dn))
-				r_len = sizeof(struct accessdata_dn);
-			r_data = &scp->accessdata;
+		case SS_CONNECTED:
+			link.idn_linkstate = LL_RUNNING;
 			break;
-
-		case DSO_ACCEPTMODE:
-			if (r_len > sizeof(unsigned char))
-				r_len = sizeof(unsigned char);
-			r_data = &scp->accept_mode;
-			break;
-
-		case DSO_LINKINFO:
-			if (r_len > sizeof(struct linkinfo_dn))
-				r_len = sizeof(struct linkinfo_dn);
-
-			memset(&link, 0, sizeof(link));
-
-			switch(sock->state) {
-				case SS_CONNECTING:
-					link.idn_linkstate = LL_CONNECTING;
-					break;
-				case SS_DISCONNECTING:
-					link.idn_linkstate = LL_DISCONNECTING;
-					break;
-				case SS_CONNECTED:
-					link.idn_linkstate = LL_RUNNING;
-					break;
-				default:
-					link.idn_linkstate = LL_INACTIVE;
-			}
-
-			link.idn_segsize = scp->segsize_rem;
-			r_data = &link;
-			break;
-
 		default:
-#ifdef CONFIG_NETFILTER
-		{
-			int ret, len;
-
-			if(get_user(len, optlen))
-				return -EFAULT;
-
-			ret = nf_getsockopt(sk, PF_DECnet, optname,
-							optval, &len);
-			if (ret >= 0)
-				ret = put_user(len, optlen);
-			return ret;
+			link.idn_linkstate = LL_INACTIVE;
 		}
+
+		link.idn_segsize = scp->segsize_rem;
+		r_data = &link;
+		break;
+
+	default:
+#ifdef CONFIG_NETFILTER
+	{
+		int ret, len;
+
+		if (get_user(len, optlen))
+			return -EFAULT;
+
+		ret = nf_getsockopt(sk, PF_DECnet, optname, optval, &len);
+		if (ret >= 0)
+			ret = put_user(len, optlen);
+		return ret;
+	}
 #endif
-		case DSO_STREAM:
-		case DSO_SEQPACKET:
-		case DSO_CONACCEPT:
-		case DSO_CONREJECT:
-			return -ENOPROTOOPT;
+	case DSO_STREAM:
+	case DSO_SEQPACKET:
+	case DSO_CONACCEPT:
+	case DSO_CONREJECT:
+		return -ENOPROTOOPT;
 
-		case DSO_MAXWINDOW:
-			if (r_len > sizeof(unsigned long))
-				r_len = sizeof(unsigned long);
-			r_data = &scp->max_window;
-			break;
+	case DSO_MAXWINDOW:
+		if (r_len > sizeof(unsigned long))
+			r_len = sizeof(unsigned long);
+		r_data = &scp->max_window;
+		break;
 
-		case DSO_NODELAY:
-			if (r_len > sizeof(int))
-				r_len = sizeof(int);
-			val = (scp->nonagle == 1);
-			r_data = &val;
-			break;
+	case DSO_NODELAY:
+		if (r_len > sizeof(int))
+			r_len = sizeof(int);
+		val = (scp->nonagle == 1);
+		r_data = &val;
+		break;
 
-		case DSO_CORK:
-			if (r_len > sizeof(int))
-				r_len = sizeof(int);
-			val = (scp->nonagle == 2);
-			r_data = &val;
-			break;
+	case DSO_CORK:
+		if (r_len > sizeof(int))
+			r_len = sizeof(int);
+		val = (scp->nonagle == 2);
+		r_data = &val;
+		break;
 
-		case DSO_SERVICES:
-			if (r_len > sizeof(unsigned char))
-				r_len = sizeof(unsigned char);
-			r_data = &scp->services_rem;
-			break;
+	case DSO_SERVICES:
+		if (r_len > sizeof(unsigned char))
+			r_len = sizeof(unsigned char);
+		r_data = &scp->services_rem;
+		break;
 
-		case DSO_INFO:
-			if (r_len > sizeof(unsigned char))
-				r_len = sizeof(unsigned char);
-			r_data = &scp->info_rem;
-			break;
+	case DSO_INFO:
+		if (r_len > sizeof(unsigned char))
+			r_len = sizeof(unsigned char);
+		r_data = &scp->info_rem;
+		break;
 	}
 
 	if (r_data) {
@@ -2088,15 +2087,15 @@ static int dn_device_event(struct notifier_block *this, unsigned long event,
 	if (!net_eq(dev_net(dev), &init_net))
 		return NOTIFY_DONE;
 
-	switch(event) {
-		case NETDEV_UP:
-			dn_dev_up(dev);
-			break;
-		case NETDEV_DOWN:
-			dn_dev_down(dev);
-			break;
-		default:
-			break;
+	switch (event) {
+	case NETDEV_UP:
+		dn_dev_up(dev);
+		break;
+	case NETDEV_DOWN:
+		dn_dev_down(dev);
+		break;
+	default:
+		break;
 	}
 
 	return NOTIFY_DONE;
@@ -2209,54 +2208,54 @@ static void dn_printable_object(struct sockaddr_dn *dn, unsigned char *buf)
 	int i;
 
 	switch (le16_to_cpu(dn->sdn_objnamel)) {
-		case 0:
-			sprintf(buf, "%d", dn->sdn_objnum);
-			break;
-		default:
-			for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) {
-				buf[i] = dn->sdn_objname[i];
-				if (IS_NOT_PRINTABLE(buf[i]))
-					buf[i] = '.';
-			}
-			buf[i] = 0;
+	case 0:
+		sprintf(buf, "%d", dn->sdn_objnum);
+		break;
+	default:
+		for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) {
+			buf[i] = dn->sdn_objname[i];
+			if (IS_NOT_PRINTABLE(buf[i]))
+				buf[i] = '.';
+		}
+		buf[i] = 0;
 	}
 }
 
 static char *dn_state2asc(unsigned char state)
 {
-	switch(state) {
-		case DN_O:
-			return "OPEN";
-		case DN_CR:
-			return "  CR";
-		case DN_DR:
-			return "  DR";
-		case DN_DRC:
-			return " DRC";
-		case DN_CC:
-			return "  CC";
-		case DN_CI:
-			return "  CI";
-		case DN_NR:
-			return "  NR";
-		case DN_NC:
-			return "  NC";
-		case DN_CD:
-			return "  CD";
-		case DN_RJ:
-			return "  RJ";
-		case DN_RUN:
-			return " RUN";
-		case DN_DI:
-			return "  DI";
-		case DN_DIC:
-			return " DIC";
-		case DN_DN:
-			return "  DN";
-		case DN_CL:
-			return "  CL";
-		case DN_CN:
-			return "  CN";
+	switch (state) {
+	case DN_O:
+		return "OPEN";
+	case DN_CR:
+		return "  CR";
+	case DN_DR:
+		return "  DR";
+	case DN_DRC:
+		return " DRC";
+	case DN_CC:
+		return "  CC";
+	case DN_CI:
+		return "  CI";
+	case DN_NR:
+		return "  NR";
+	case DN_NC:
+		return "  NC";
+	case DN_CD:
+		return "  CD";
+	case DN_RJ:
+		return "  RJ";
+	case DN_RUN:
+		return " RUN";
+	case DN_DI:
+		return "  DI";
+	case DN_DIC:
+		return " DIC";
+	case DN_DN:
+		return "  DN";
+	case DN_CL:
+		return "  CL";
+	case DN_CN:
+		return "  CN";
 	}
 
 	return "????";
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 48530b454395..ba4faceec405 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -437,17 +437,17 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
 
 	dev_load(&init_net, ifr->ifr_name);
 
-	switch(cmd) {
-		case SIOCGIFADDR:
-			break;
-		case SIOCSIFADDR:
-			if (!capable(CAP_NET_ADMIN))
-				return -EACCES;
-			if (sdn->sdn_family != AF_DECnet)
-				return -EINVAL;
-			break;
-		default:
+	switch (cmd) {
+	case SIOCGIFADDR:
+		break;
+	case SIOCSIFADDR:
+		if (!capable(CAP_NET_ADMIN))
+			return -EACCES;
+		if (sdn->sdn_family != AF_DECnet)
 			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
 	}
 
 	rtnl_lock();
@@ -470,27 +470,27 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
 		goto done;
 	}
 
-	switch(cmd) {
-		case SIOCGIFADDR:
-			*((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
-			goto rarok;
+	switch (cmd) {
+	case SIOCGIFADDR:
+		*((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
+		goto rarok;
 
-		case SIOCSIFADDR:
-			if (!ifa) {
-				if ((ifa = dn_dev_alloc_ifa()) == NULL) {
-					ret = -ENOBUFS;
-					break;
-				}
-				memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
-			} else {
-				if (ifa->ifa_local == dn_saddr2dn(sdn))
-					break;
-				dn_dev_del_ifa(dn_db, ifap, 0);
+	case SIOCSIFADDR:
+		if (!ifa) {
+			if ((ifa = dn_dev_alloc_ifa()) == NULL) {
+				ret = -ENOBUFS;
+				break;
 			}
+			memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
+		} else {
+			if (ifa->ifa_local == dn_saddr2dn(sdn))
+				break;
+			dn_dev_del_ifa(dn_db, ifap, 0);
+		}
 
-			ifa->ifa_local = ifa->ifa_address = dn_saddr2dn(sdn);
+		ifa->ifa_local = ifa->ifa_address = dn_saddr2dn(sdn);
 
-			ret = dn_dev_set_ifa(dev, ifa);
+		ret = dn_dev_set_ifa(dev, ifa);
 	}
 done:
 	rtnl_unlock();
@@ -1335,13 +1335,13 @@ static void dn_dev_seq_stop(struct seq_file *seq, void *v)
 
 static char *dn_type2asc(char type)
 {
-	switch(type) {
-		case DN_DEV_BCAST:
-			return "B";
-		case DN_DEV_UCAST:
-			return "U";
-		case DN_DEV_MPOINT:
-			return "M";
+	switch (type) {
+	case DN_DEV_BCAST:
+		return "B";
+	case DN_DEV_UCAST:
+		return "U";
+	case DN_DEV_MPOINT:
+		return "M";
 	}
 
 	return "?";
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 104324d6d535..2bd8e53d7774 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -414,33 +414,34 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn
 
 		res->fi = fi;
 
-		switch(type) {
-			case RTN_NAT:
-				DN_FIB_RES_RESET(*res);
+		switch (type) {
+		case RTN_NAT:
+			DN_FIB_RES_RESET(*res);
+			atomic_inc(&fi->fib_clntref);
+			return 0;
+		case RTN_UNICAST:
+		case RTN_LOCAL:
+			for_nexthops(fi) {
+				if (nh->nh_flags & RTNH_F_DEAD)
+					continue;
+				if (!fld->flowidn_oif ||
+				    fld->flowidn_oif == nh->nh_oif)
+					break;
+			}
+			if (nhsel < fi->fib_nhs) {
+				res->nh_sel = nhsel;
 				atomic_inc(&fi->fib_clntref);
 				return 0;
-			case RTN_UNICAST:
-			case RTN_LOCAL:
-				for_nexthops(fi) {
-					if (nh->nh_flags & RTNH_F_DEAD)
-						continue;
-					if (!fld->flowidn_oif ||
-					    fld->flowidn_oif == nh->nh_oif)
-						break;
-				}
-				if (nhsel < fi->fib_nhs) {
-					res->nh_sel = nhsel;
-					atomic_inc(&fi->fib_clntref);
-					return 0;
-				}
-				endfor_nexthops(fi);
-				res->fi = NULL;
-				return 1;
-			default:
-				if (net_ratelimit())
-					 printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n", type);
-				res->fi = NULL;
-				return -EINVAL;
+			}
+			endfor_nexthops(fi);
+			res->fi = NULL;
+			return 1;
+		default:
+			if (net_ratelimit())
+				printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n",
+				       type);
+			res->fi = NULL;
+			return -EINVAL;
 		}
 	}
 	return err;
@@ -647,20 +648,20 @@ static int dn_fib_dnaddr_event(struct notifier_block *this, unsigned long event,
 {
 	struct dn_ifaddr *ifa = (struct dn_ifaddr *)ptr;
 
-	switch(event) {
-		case NETDEV_UP:
-			dn_fib_add_ifaddr(ifa);
-			dn_fib_sync_up(ifa->ifa_dev->dev);
+	switch (event) {
+	case NETDEV_UP:
+		dn_fib_add_ifaddr(ifa);
+		dn_fib_sync_up(ifa->ifa_dev->dev);
+		dn_rt_cache_flush(-1);
+		break;
+	case NETDEV_DOWN:
+		dn_fib_del_ifaddr(ifa);
+		if (ifa->ifa_dev && ifa->ifa_dev->ifa_list == NULL) {
+			dn_fib_disable_addr(ifa->ifa_dev->dev, 1);
+		} else {
 			dn_rt_cache_flush(-1);
-			break;
-		case NETDEV_DOWN:
-			dn_fib_del_ifaddr(ifa);
-			if (ifa->ifa_dev && ifa->ifa_dev->ifa_list == NULL) {
-				dn_fib_disable_addr(ifa->ifa_dev->dev, 1);
-			} else {
-				dn_rt_cache_flush(-1);
-			}
-			break;
+		}
+		break;
 	}
 	return NOTIFY_DONE;
 }
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 602dade7e9a3..03eb22611801 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -404,13 +404,13 @@ int dn_neigh_router_hello(struct sk_buff *skb)
 
 			dn->flags &= ~DN_NDFLAG_P3;
 
-			switch(msg->iinfo & DN_RT_INFO_TYPE) {
-				case DN_RT_INFO_L1RT:
-					dn->flags &=~DN_NDFLAG_R2;
-					dn->flags |= DN_NDFLAG_R1;
-					break;
-				case DN_RT_INFO_L2RT:
-					dn->flags |= DN_NDFLAG_R2;
+			switch (msg->iinfo & DN_RT_INFO_TYPE) {
+			case DN_RT_INFO_L1RT:
+				dn->flags &=~DN_NDFLAG_R2;
+				dn->flags |= DN_NDFLAG_R1;
+				break;
+			case DN_RT_INFO_L2RT:
+				dn->flags |= DN_NDFLAG_R2;
 			}
 		}
 
diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index b430549e2b91..73fa268fe2e8 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -101,23 +101,27 @@ static void dn_ack(struct sock *sk, struct sk_buff *skb, unsigned short ack)
 	unsigned short type = ((ack >> 12) & 0x0003);
 	int wakeup = 0;
 
-	switch(type) {
-		case 0: /* ACK - Data */
-			if (dn_after(ack, scp->ackrcv_dat)) {
-				scp->ackrcv_dat = ack & 0x0fff;
-				wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->data_xmit_queue, ack);
-			}
-			break;
-		case 1: /* NAK - Data */
-			break;
-		case 2: /* ACK - OtherData */
-			if (dn_after(ack, scp->ackrcv_oth)) {
-				scp->ackrcv_oth = ack & 0x0fff;
-				wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->other_xmit_queue, ack);
-			}
-			break;
-		case 3: /* NAK - OtherData */
-			break;
+	switch (type) {
+	case 0: /* ACK - Data */
+		if (dn_after(ack, scp->ackrcv_dat)) {
+			scp->ackrcv_dat = ack & 0x0fff;
+			wakeup |= dn_nsp_check_xmit_queue(sk, skb,
+							  &scp->data_xmit_queue,
+							  ack);
+		}
+		break;
+	case 1: /* NAK - Data */
+		break;
+	case 2: /* ACK - OtherData */
+		if (dn_after(ack, scp->ackrcv_oth)) {
+			scp->ackrcv_oth = ack & 0x0fff;
+			wakeup |= dn_nsp_check_xmit_queue(sk, skb,
+							  &scp->other_xmit_queue,
+							  ack);
+		}
+		break;
+	case 3: /* NAK - OtherData */
+		break;
 	}
 
 	if (wakeup && !sock_flag(sk, SOCK_DEAD))
@@ -417,19 +421,19 @@ static void dn_nsp_disc_init(struct sock *sk, struct sk_buff *skb)
 	scp->addrrem = cb->src_port;
 	sk->sk_state = TCP_CLOSE;
 
-	switch(scp->state) {
-		case DN_CI:
-		case DN_CD:
-			scp->state = DN_RJ;
-			sk->sk_err = ECONNREFUSED;
-			break;
-		case DN_RUN:
-			sk->sk_shutdown |= SHUTDOWN_MASK;
-			scp->state = DN_DN;
-			break;
-		case DN_DI:
-			scp->state = DN_DIC;
-			break;
+	switch (scp->state) {
+	case DN_CI:
+	case DN_CD:
+		scp->state = DN_RJ;
+		sk->sk_err = ECONNREFUSED;
+		break;
+	case DN_RUN:
+		sk->sk_shutdown |= SHUTDOWN_MASK;
+		scp->state = DN_DN;
+		break;
+	case DN_DI:
+		scp->state = DN_DIC;
+		break;
 	}
 
 	if (!sock_flag(sk, SOCK_DEAD)) {
@@ -470,23 +474,23 @@ static void dn_nsp_disc_conf(struct sock *sk, struct sk_buff *skb)
 
 	sk->sk_state = TCP_CLOSE;
 
-	switch(scp->state) {
-		case DN_CI:
-			scp->state = DN_NR;
-			break;
-		case DN_DR:
-			if (reason == NSP_REASON_DC)
-				scp->state = DN_DRC;
-			if (reason == NSP_REASON_NL)
-				scp->state = DN_CN;
-			break;
-		case DN_DI:
-			scp->state = DN_DIC;
-			break;
-		case DN_RUN:
-			sk->sk_shutdown |= SHUTDOWN_MASK;
-		case DN_CC:
+	switch (scp->state) {
+	case DN_CI:
+		scp->state = DN_NR;
+		break;
+	case DN_DR:
+		if (reason == NSP_REASON_DC)
+			scp->state = DN_DRC;
+		if (reason == NSP_REASON_NL)
 			scp->state = DN_CN;
+		break;
+	case DN_DI:
+		scp->state = DN_DIC;
+		break;
+	case DN_RUN:
+		sk->sk_shutdown |= SHUTDOWN_MASK;
+	case DN_CC:
+		scp->state = DN_CN;
 	}
 
 	if (!sock_flag(sk, SOCK_DEAD)) {
@@ -692,16 +696,16 @@ static int dn_nsp_no_socket(struct sk_buff *skb, unsigned short reason)
 		goto out;
 
 	if ((reason != NSP_REASON_OK) && ((cb->nsp_flags & 0x0c) == 0x08)) {
-		switch(cb->nsp_flags & 0x70) {
-			case 0x10:
-			case 0x60: /* (Retransmitted) Connect Init */
-				dn_nsp_return_disc(skb, NSP_DISCINIT, reason);
-				ret = NET_RX_SUCCESS;
-				break;
-			case 0x20: /* Connect Confirm */
-				dn_nsp_return_disc(skb, NSP_DISCCONF, reason);
-				ret = NET_RX_SUCCESS;
-				break;
+		switch (cb->nsp_flags & 0x70) {
+		case 0x10:
+		case 0x60: /* (Retransmitted) Connect Init */
+			dn_nsp_return_disc(skb, NSP_DISCINIT, reason);
+			ret = NET_RX_SUCCESS;
+			break;
+		case 0x20: /* Connect Confirm */
+			dn_nsp_return_disc(skb, NSP_DISCCONF, reason);
+			ret = NET_RX_SUCCESS;
+			break;
 		}
 	}
 
@@ -733,17 +737,17 @@ static int dn_nsp_rx_packet(struct sk_buff *skb)
 	 * Filter out conninits and useless packet types
 	 */
 	if ((cb->nsp_flags & 0x0c) == 0x08) {
-		switch(cb->nsp_flags & 0x70) {
-			case 0x00: /* NOP */
-			case 0x70: /* Reserved */
-			case 0x50: /* Reserved, Phase II node init */
+		switch (cb->nsp_flags & 0x70) {
+		case 0x00: /* NOP */
+		case 0x70: /* Reserved */
+		case 0x50: /* Reserved, Phase II node init */
+			goto free_out;
+		case 0x10:
+		case 0x60:
+			if (unlikely(cb->rt_flags & DN_RT_F_RTS))
 				goto free_out;
-			case 0x10:
-			case 0x60:
-				if (unlikely(cb->rt_flags & DN_RT_F_RTS))
-					goto free_out;
-				sk = dn_find_listener(skb, &reason);
-				goto got_it;
+			sk = dn_find_listener(skb, &reason);
+			goto got_it;
 		}
 	}
 
@@ -836,20 +840,20 @@ int dn_nsp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 	 * Control packet.
 	 */
 	if ((cb->nsp_flags & 0x0c) == 0x08) {
-		switch(cb->nsp_flags & 0x70) {
-			case 0x10:
-			case 0x60:
-				dn_nsp_conn_init(sk, skb);
-				break;
-			case 0x20:
-				dn_nsp_conn_conf(sk, skb);
-				break;
-			case 0x30:
-				dn_nsp_disc_init(sk, skb);
-				break;
-			case 0x40:
-				dn_nsp_disc_conf(sk, skb);
-				break;
+		switch (cb->nsp_flags & 0x70) {
+		case 0x10:
+		case 0x60:
+			dn_nsp_conn_init(sk, skb);
+			break;
+		case 0x20:
+			dn_nsp_conn_conf(sk, skb);
+			break;
+		case 0x30:
+			dn_nsp_disc_init(sk, skb);
+			break;
+		case 0x40:
+			dn_nsp_disc_conf(sk, skb);
+			break;
 		}
 
 	} else if (cb->nsp_flags == 0x24) {
@@ -890,15 +894,15 @@ int dn_nsp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 			if (scp->state != DN_RUN)
 				goto free_out;
 
-			switch(cb->nsp_flags) {
-				case 0x10: /* LS */
-					dn_nsp_linkservice(sk, skb);
-					break;
-				case 0x30: /* OD */
-					dn_nsp_otherdata(sk, skb);
-					break;
-				default:
-					dn_nsp_data(sk, skb);
+			switch (cb->nsp_flags) {
+			case 0x10: /* LS */
+				dn_nsp_linkservice(sk, skb);
+				break;
+			case 0x30: /* OD */
+				dn_nsp_otherdata(sk, skb);
+				break;
+			default:
+				dn_nsp_data(sk, skb);
 			}
 
 		} else { /* Ack, chuck it out here */
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 2949ca474ede..fceb86ca0116 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -495,11 +495,11 @@ static int dn_route_rx_packet(struct sk_buff *skb)
 	}
 
 	if ((skb->pkt_type == PACKET_HOST) && (cb->rt_flags & DN_RT_F_RQR)) {
-		switch(cb->rt_flags & DN_RT_PKT_MSK) {
-			case DN_RT_PKT_SHORT:
-				return dn_return_short(skb);
-			case DN_RT_PKT_LONG:
-				return dn_return_long(skb);
+		switch (cb->rt_flags & DN_RT_PKT_MSK) {
+		case DN_RT_PKT_SHORT:
+			return dn_return_short(skb);
+		case DN_RT_PKT_LONG:
+			return dn_return_long(skb);
 		}
 	}
 
@@ -652,38 +652,38 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
 		if (unlikely(skb_linearize(skb)))
 			goto dump_it;
 
-		switch(flags & DN_RT_CNTL_MSK) {
-			case DN_RT_PKT_INIT:
-				dn_dev_init_pkt(skb);
-				break;
-			case DN_RT_PKT_VERI:
-				dn_dev_veri_pkt(skb);
-				break;
+		switch (flags & DN_RT_CNTL_MSK) {
+		case DN_RT_PKT_INIT:
+			dn_dev_init_pkt(skb);
+			break;
+		case DN_RT_PKT_VERI:
+			dn_dev_veri_pkt(skb);
+			break;
 		}
 
 		if (dn->parms.state != DN_DEV_S_RU)
 			goto dump_it;
 
-		switch(flags & DN_RT_CNTL_MSK) {
-			case DN_RT_PKT_HELO:
-				return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
-					       skb, skb->dev, NULL,
-					       dn_route_ptp_hello);
+		switch (flags & DN_RT_CNTL_MSK) {
+		case DN_RT_PKT_HELO:
+			return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+				       skb, skb->dev, NULL,
+				       dn_route_ptp_hello);
 
-			case DN_RT_PKT_L1RT:
-			case DN_RT_PKT_L2RT:
-				return NF_HOOK(NFPROTO_DECNET, NF_DN_ROUTE,
-					       skb, skb->dev, NULL,
-					       dn_route_discard);
-			case DN_RT_PKT_ERTH:
-				return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
-					       skb, skb->dev, NULL,
-					       dn_neigh_router_hello);
+		case DN_RT_PKT_L1RT:
+		case DN_RT_PKT_L2RT:
+			return NF_HOOK(NFPROTO_DECNET, NF_DN_ROUTE,
+				       skb, skb->dev, NULL,
+				       dn_route_discard);
+		case DN_RT_PKT_ERTH:
+			return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+				       skb, skb->dev, NULL,
+				       dn_neigh_router_hello);
 
-			case DN_RT_PKT_EEDH:
-				return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
-					       skb, skb->dev, NULL,
-					       dn_neigh_endnode_hello);
+		case DN_RT_PKT_EEDH:
+			return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+				       skb, skb->dev, NULL,
+				       dn_neigh_endnode_hello);
 		}
 	} else {
 		if (dn->parms.state != DN_DEV_S_RU)
@@ -691,11 +691,11 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
 
 		skb_pull(skb, 1); /* Pull flags */
 
-		switch(flags & DN_RT_PKT_MSK) {
-			case DN_RT_PKT_LONG:
-				return dn_route_rx_long(skb);
-			case DN_RT_PKT_SHORT:
-				return dn_route_rx_short(skb);
+		switch (flags & DN_RT_PKT_MSK) {
+		case DN_RT_PKT_LONG:
+			return dn_route_rx_long(skb);
+		case DN_RT_PKT_SHORT:
+			return dn_route_rx_short(skb);
 		}
 	}
 
@@ -1419,20 +1419,20 @@ static int dn_route_input_slow(struct sk_buff *skb)
 	rt->dst.neighbour = neigh;
 	rt->dst.lastuse = jiffies;
 	rt->dst.output = dn_rt_bug;
-	switch(res.type) {
-		case RTN_UNICAST:
-			rt->dst.input = dn_forward;
-			break;
-		case RTN_LOCAL:
-			rt->dst.output = dn_output;
-			rt->dst.input = dn_nsp_rx;
-			rt->dst.dev = in_dev;
-			flags |= RTCF_LOCAL;
-			break;
-		default:
-		case RTN_UNREACHABLE:
-		case RTN_BLACKHOLE:
-			rt->dst.input = dst_discard;
+	switch (res.type) {
+	case RTN_UNICAST:
+		rt->dst.input = dn_forward;
+		break;
+	case RTN_LOCAL:
+		rt->dst.output = dn_output;
+		rt->dst.input = dn_nsp_rx;
+		rt->dst.dev = in_dev;
+		flags |= RTCF_LOCAL;
+		break;
+	default:
+	case RTN_UNREACHABLE:
+	case RTN_BLACKHOLE:
+		rt->dst.input = dst_discard;
 	}
 	rt->rt_flags = flags;
 
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index bd0a52dd1d40..cd0354e9bdb3 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -147,17 +147,18 @@ static void dn_rehash_zone(struct dn_zone *dz)
 
 	old_divisor = dz->dz_divisor;
 
-	switch(old_divisor) {
-		case 16:
-			new_divisor = 256;
-			new_hashmask = 0xFF;
-			break;
-		default:
-			printk(KERN_DEBUG "DECnet: dn_rehash_zone: BUG! %d\n", old_divisor);
-		case 256:
-			new_divisor = 1024;
-			new_hashmask = 0x3FF;
-			break;
+	switch (old_divisor) {
+	case 16:
+		new_divisor = 256;
+		new_hashmask = 0xFF;
+		break;
+	default:
+		printk(KERN_DEBUG "DECnet: dn_rehash_zone: BUG! %d\n",
+		       old_divisor);
+	case 256:
+		new_divisor = 1024;
+		new_hashmask = 0x3FF;
+		break;
 	}
 
 	ht = kcalloc(new_divisor, sizeof(struct dn_fib_node*), GFP_KERNEL);
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 64a7f39e069f..69975e0bcdea 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -69,15 +69,15 @@ static void dnrmg_send_peer(struct sk_buff *skb)
 	int group = 0;
 	unsigned char flags = *skb->data;
 
-	switch(flags & DN_RT_CNTL_MSK) {
-		case DN_RT_PKT_L1RT:
-			group = DNRNG_NLGRP_L1;
-			break;
-		case DN_RT_PKT_L2RT:
-			group = DNRNG_NLGRP_L2;
-			break;
-		default:
-			return;
+	switch (flags & DN_RT_CNTL_MSK) {
+	case DN_RT_PKT_L1RT:
+		group = DNRNG_NLGRP_L1;
+		break;
+	case DN_RT_PKT_L2RT:
+		group = DNRNG_NLGRP_L2;
+		break;
+	default:
+		return;
 	}
 
 	skb2 = dnrmg_build_message(skb, &status);
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 28f8b5e5f73b..02e75d11cfbb 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -68,14 +68,15 @@ static struct ctl_table_header *dn_table_header = NULL;
 static void strip_it(char *str)
 {
 	for(;;) {
-		switch(*str) {
-			case ' ':
-			case '\n':
-			case '\r':
-			case ':':
-				*str = 0;
-			case 0:
-				return;
+		switch (*str) {
+		case ' ':
+		case '\n':
+		case '\r':
+		case ':':
+			*str = 0;
+			/* Fallthrough */
+		case 0:
+			return;
 		}
 		str++;
 	}