From: Stefan Metzmacher <metze@samba.org>
Date: Thu, 5 Apr 2018 20:28:12 +0000 (-0700)
Subject: s3: nmbd: Fix strict overflow checking compiler warning.
X-Git-Tag: ldb-1.4.0~717
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9bf489d8d5838e73afaaca263485a332b14b174e;p=thirdparty%2Fsamba.git

s3: nmbd: Fix strict overflow checking compiler warning.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---

diff --git a/source3/nmbd/nmbd_incomingrequests.c b/source3/nmbd/nmbd_incomingrequests.c
index 6f3eee36890..96cb1249599 100644
--- a/source3/nmbd/nmbd_incomingrequests.c
+++ b/source3/nmbd/nmbd_incomingrequests.c
@@ -341,7 +341,7 @@ subnet %s - name not found.\n", nmb_namestr(&nmb->question.question_name),
 
 	namerec = subrec->namelist;
 
-	while (buf < bufend) {
+	while (PTR_DIFF(bufend, buf) > 0) {
 		if( (namerec->data.source == SELF_NAME) || (namerec->data.source == PERMANENT_NAME) ) {
 			int name_type = namerec->name.name_type;
 			unstring name;