From 2a9079644708eedd190b82675a76372f9c8abd7e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Sun, 11 Nov 2007 21:33:43 +0100
Subject: Making umount calls check if they are actually necessary.

---
 helpers/lh_chroot_sysfs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'helpers/lh_chroot_sysfs')

diff --git a/helpers/lh_chroot_sysfs b/helpers/lh_chroot_sysfs
index fef710dd9..b7931ae04 100755
--- a/helpers/lh_chroot_sysfs
+++ b/helpers/lh_chroot_sysfs
@@ -79,7 +79,10 @@ case "${1}" in
 		then
 			# Unmounting /sys
 			#fuser -km chroot/sys
-			${LH_ROOT_COMMAND} umount chroot/sys > /dev/null 2>&1
+			if [ -e chroot/sys/kernel ]
+			then
+				${LH_ROOT_COMMAND} umount chroot/sys
+			fi
 		else
 			rm -rf chroot/sys
 			mkdir -p chroot/sys
-- 
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