From a5cda71d84cf11fdf8c7af7778ed744801862c4f Mon Sep 17 00:00:00 2001
From: Bob Halley <source@isc.org>
Date: Sun, 31 Oct 1999 00:06:38 +0000
Subject: [PATCH] fix bad return value

---
 lib/isc/sockaddr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/isc/sockaddr.c b/lib/isc/sockaddr.c
index a52fd41ef7..545d5f1762 100644
--- a/lib/isc/sockaddr.c
+++ b/lib/isc/sockaddr.c
@@ -128,7 +128,7 @@ isc_sockaddr_totext(const isc_sockaddr_t *sockaddr, isc_buffer_t *target) {
 		sprintf(pbuf, "%u", ntohs(sin6->sin6_port));
 		break;
 	default:
-		return (NULL);
+		return (ISC_R_NOTIMPLEMENTED);
 	}
 
 	alen = strlen(abuf);