From 5c423e0640bcad0eb90d9c968658347228bc2818 Mon Sep 17 00:00:00 2001
From: Tim Kientzle <kientzle@FreeBSD.org>
Date: Thu, 27 Nov 2008 06:21:04 +0000
Subject: [PATCH] The timezone byte is a signed value, treat it as such.
 Otherwise, time zone information for time zones west of GMT gets discarded.

PR:		kern/128934
Submitted by:	J.R. Oldroyd
MFC after:	4 days
---
 sys/fs/cd9660/cd9660_node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/fs/cd9660/cd9660_node.c b/sys/fs/cd9660/cd9660_node.c
index 699f0d9114e1..90be9f3eeebe 100644
--- a/sys/fs/cd9660/cd9660_node.c
+++ b/sys/fs/cd9660/cd9660_node.c
@@ -241,7 +241,7 @@ cd9660_tstamp_conv7(pi,pu,ftype)
 	minute = pi[4];
 	second = pi[5];
 	if(ftype != ISO_FTYPE_HIGH_SIERRA)
-		tz = pi[6];
+		tz = ((signed char *)pi)[6]; /* Timezone value is signed. */
 	else
 		/* original high sierra misses timezone data */
 		tz = 0;