From a52b7860ffddafa7d4360f23c15e9dffde873cab Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Thu, 19 Jun 2014 11:17:31 +1000
Subject: [PATCH] silence coverity

---
 lib/isc/netaddr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/isc/netaddr.c b/lib/isc/netaddr.c
index 0940df1713..acb44acebd 100644
--- a/lib/isc/netaddr.c
+++ b/lib/isc/netaddr.c
@@ -235,6 +235,7 @@ isc_netaddr_prefixok(const isc_netaddr_t *na, unsigned int prefixlen) {
 	nbytes = prefixlen / 8;
 	nbits = prefixlen % 8;
 	if (nbits != 0) {
+		INSIST(nbytes < ipbytes);
 		if ((p[nbytes] & (0xff>>nbits)) != 0U)
 			return (ISC_R_FAILURE);
 		nbytes++;