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-rwxr-xr-xmeta/recipes-core/initrdscripts/initramfs-framework/finish12
1 files changed, 12 insertions, 0 deletions
diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/finish b/meta/recipes-core/initrdscripts/initramfs-framework/finish
index 717383ebac..f08a920867 100755
--- a/meta/recipes-core/initrdscripts/initramfs-framework/finish
+++ b/meta/recipes-core/initrdscripts/initramfs-framework/finish
@@ -12,6 +12,18 @@ finish_run() {
fatal "ERROR: There's no '/dev' on rootfs."
fi
+ # Unmount anything that was automounted by busybox via mdev-mount.sh.
+ # We're about to switch_root, and leaving anything mounted will prevent
+ # the next rootfs from modifying the block device. Ignore ROOT_DISK,
+ # if it was set by setup-live, because it'll be mounted over loopback
+ # to ROOTFS_DIR.
+ local dev
+ for dev in /run/media/*; do
+ if mountpoint -q "${dev}" && [ "${dev##*/}" != "${ROOT_DISK}" ]; then
+ umount -f "${dev}" || debug "Failed to unmount ${dev}"
+ fi
+ done
+
info "Switching root to '$ROOTFS_DIR'..."
debug "Moving /dev, /proc and /sys onto rootfs..."