diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index d4c9a8bbad3e..518cea17b811 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -630,10 +630,12 @@ static void dn_destroy_sock(struct sock *sk)
 		goto disc_reject;
 	case DN_RUN:
 		scp->state = DN_DI;
+		/* fall through */
 	case DN_DI:
 	case DN_DR:
 disc_reject:
 		dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
+		/* fall through */
 	case DN_NC:
 	case DN_NR:
 	case DN_RJ:
@@ -647,6 +649,7 @@ disc_reject:
 		break;
 	default:
 		printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
+		/* fall through */
 	case DN_O:
 		dn_stop_slow_timer(sk);