--- src/sys/netinet6/in6_pcb.c	2004/12/21 02:54:47	1.19
+++ src/sys/netinet6/in6_pcb.c	2004/12/28 19:55:16	1.20
@@ -759,7 +759,7 @@ in6_pcbnotify(struct inpcbhead *head, st
 	u_int32_t flowinfo;
 	int errno, s;
 
-	if ((unsigned)cmd > PRC_NCMDS || dst->sa_family != AF_INET6)
+	if ((unsigned)cmd >= PRC_NCMDS || dst->sa_family != AF_INET6)
 		return;
 
 	sa6_dst = (struct sockaddr_in6 *)dst;