Fix liveinst to (1) not unmount /dev/pts, (2) unmount in order (509632).

1 files changed, 6 insertions, 1 deletions

diff --git a/liveinst/liveinst b/liveinst/liveinst
index eed4e4127..a37d9233b 100755
--- a/liveinst/liveinst
+++ b/liveinst/liveinst
@@ -58,7 +58,12 @@ fi
 
 # devkit-disks is now mounting lots of stuff.  for now, let's just try to unmount it all
 umount /media/*
-for mnt in $(cat /proc/mounts |grep ^/dev |grep -v live | awk {'print $2;'}) ; do umount $mnt 2>/dev/null ; done
+tac /proc/mounts | grep ^/dev | grep -v live | while read dev mntpoint rest; do
+    if [ -b $dev ]; then
+       umount $mntpoint 2>/dev/null
+    fi
+done
+
 /sbin/swapoff -a
 /sbin/lvm vgchange -an --ignorelockingfailure