From d954e9c82a483fb7201f6553ce2045445b125e58 Mon Sep 17 00:00:00 2001
From: Pierre Labastie <pierre@linuxfromscratch.org>
Date: Thu, 23 Jan 2014 09:15:05 +0000
Subject: [PATCH] Adapt the umounting of kernel virtual filesystems to new
 instructions in the LFS book

---
 LFS/master.sh | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/LFS/master.sh b/LFS/master.sh
index 46eb9a4..12959e2 100644
--- a/LFS/master.sh
+++ b/LFS/master.sh
@@ -520,20 +520,18 @@ devices: ck_UID
 	sudo mount -vt devpts devpts \$(MOUNT_PT)/dev/pts
 	sudo mount -vt proc proc \$(MOUNT_PT)/proc
 	sudo mount -vt sysfs sysfs \$(MOUNT_PT)/sys
+	sudo mount -vt tmpfs tmpfs \$(MOUNT_PT)/run
 	if [ -h \$(MOUNT_PT)/dev/shm ]; then \\
-	  link=\$\$(readlink \$(MOUNT_PT)/dev/shm); \\
-	  sudo mkdir -p \$(MOUNT_PT)/\$\$link; \\
-	  sudo mount -vt tmpfs shm \$(MOUNT_PT)/\$\$link; \\
-	  unset link; \\
-	else \\
-	  sudo mount -vt tmpfs shm \$(MOUNT_PT)/dev/shm; \\
+	  sudo mkdir -p \$(MOUNT_PT)/\$\$(readlink \$(MOUNT_PT)/dev/shm); \\
 	fi
 
 teardown: 
 	sudo umount -v \$(MOUNT_PT)/sys
 	sudo umount -v \$(MOUNT_PT)/proc
 	sudo umount -v \$(MOUNT_PT)/dev/pts
-	if [ -h \$(MOUNT_PT)/dev/shm ]; then \\
+	if mountpoint -q \$(MOUNT_POINT)/run; then \\
+	  sudo umount -v \$(MOUNT_POINT)/run; \\
+	elif [ -h \$(MOUNT_PT)/dev/shm ]; then \\
 	  link=\$\$(readlink \$(MOUNT_PT)/dev/shm); \\
 	  sudo umount -v \$(MOUNT_PT)/\$\$link; \\
 	  unset link; \\
@@ -577,7 +575,9 @@ restore-luser-env:
 do_housekeeping:
 	@-umount \$(MOUNT_PT)/sys
 	@-umount \$(MOUNT_PT)/proc
-	@-if [ -h \$(MOUNT_PT)/dev/shm ]; then \\
+	@-if mountpoint -q \$(MOUNT_PT)/run; then \\
+	  umount \$(MOUNT_PT)/run; \\
+	elif [ -h \$(MOUNT_PT)/dev/shm ]; then \\
 	  link=\$\$(readlink \$(MOUNT_PT)/dev/shm); \\
 	  umount \$(MOUNT_PT)/\$\$link; \\
 	  unset link; \\