From f2c3fafbe8bf6594f4e59d36088de59c2d65ce7f Mon Sep 17 00:00:00 2001
From: Dave Hart <hart@ntp.org>
Date: Fri, 23 Feb 2024 09:09:57 +0000
Subject: [PATCH] ntp_io.c:   clean up warnings about math with void *

bk: 65d860e50oLAIM2nanq8IAxdAnAhow
---
 ntpd/ntp_io.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ntpd/ntp_io.c b/ntpd/ntp_io.c
index bcd4632ce..42f2d8053 100644
--- a/ntpd/ntp_io.c
+++ b/ntpd/ntp_io.c
@@ -4811,6 +4811,7 @@ process_routing_msgs(struct asyncio_reader *reader)
 #else
 	struct rt_msghdr rtm;
 	char *p;
+	char *endp;
 #endif
 
 	if (scan_addrs_once) {
@@ -4863,8 +4864,8 @@ process_routing_msgs(struct asyncio_reader *reader)
 	{
 		msg_type = nh->nlmsg_type;
 #else
-	for (p = buffer;
-	     (p + sizeof(struct rt_msghdr)) <= (buffer + cnt);
+	for (p = buffer, endp = p + cnt;
+	     (p + sizeof(struct rt_msghdr)) <= endp;
 	     p += rtm.rtm_msglen)
 	{
 		memcpy(&rtm, p, sizeof(rtm));
-- 
2.47.3