From da6f24435662a801637ad917965a96791558e942 Mon Sep 17 00:00:00 2001
From: jakllsch <jakllsch@NetBSD.org>
Date: Tue, 7 Aug 2012 19:30:41 +0000
Subject: [PATCH] The free space value in the FSInfo block is merely
 unitialized when it is 0xffffffff.  Fixes first part of bin/46743

---
 sbin/fsck_msdos/fat.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/sbin/fsck_msdos/fat.c b/sbin/fsck_msdos/fat.c
index 2a0b7966f280..aa7c6247f9bf 100644
--- a/sbin/fsck_msdos/fat.c
+++ b/sbin/fsck_msdos/fat.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: fat.c,v 1.22 2009/04/11 07:14:50 lukem Exp $	*/
+/*	$NetBSD: fat.c,v 1.23 2012/08/07 19:30:41 jakllsch Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997 Wolfgang Solfrank
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: fat.c,v 1.22 2009/04/11 07:14:50 lukem Exp $");
+__RCSID("$NetBSD: fat.c,v 1.23 2012/08/07 19:30:41 jakllsch Exp $");
 #endif /* not lint */
 
 #include <stdlib.h>
@@ -596,8 +596,9 @@ checklost(int dosfs, struct bootblock *boot, struct fatEntry *fat)
 
 	if (boot->FSInfo) {
 		ret = 0;
-		if (boot->FSFree != boot->NumFree) {
-			pwarn("Free space in FSInfo block (%d) not correct (%d)\n",
+		if (boot->FSFree != 0xffffffffU &&
+		    boot->FSFree != boot->NumFree) {
+			pwarn("Free space in FSInfo block (%u) not correct (%u)\n",
 			      boot->FSFree, boot->NumFree);
 			if (ask(1, "fix")) {
 				boot->FSFree = boot->NumFree;