Index: lib/libc/rpc/getrpcport.c
===================================================================
--- lib/libc/rpc/getrpcport.c
+++ lib/libc/rpc/getrpcport.c
@@ -68,8 +68,8 @@
 	addr.sin_len = sizeof(struct sockaddr_in);
 	addr.sin_family = AF_INET;
 	addr.sin_port =  0;
-	if (hp->h_length > addr.sin_len)
-		hp->h_length = addr.sin_len;
+	if (hp->h_length > sizeof(addr.sin_addr.s_addr))
+		hp->h_length = sizeof(addr.sin_addr.s_addr);
 	memcpy(&addr.sin_addr.s_addr, hp->h_addr, (size_t)hp->h_length);
 	/* Inconsistent interfaces need casts! :-( */
 	return (pmap_getport(&addr, (u_long)prognum, (u_long)versnum,