[archiso] Setup ro loop devs as read-only

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

2 files changed, 2 insertions, 2 deletions

diff --git a/archiso/hooks/archiso b/archiso/hooks/archiso
index bd7aea7..54c3223 100644
--- a/archiso/hooks/archiso
+++ b/archiso/hooks/archiso
@@ -8,7 +8,7 @@ _mnt_fs() {
     local dm_snap_name="${dm_snap_prefix}_${img_name}"
     local ro_dev ro_dev_size rw_dev
 
-    ro_dev=$(losetup --find --show "${img}")
+    ro_dev=$(losetup --find --show --read-only "${img}")
     ro_dev_size=$(blockdev --getsz ${ro_dev})
 
     if [[ "${cow_persistent}" == "P" ]]; then
diff --git a/archiso/hooks/archiso_loop_mnt b/archiso/hooks/archiso_loop_mnt
index 664f3a5..4fa2910 100644
--- a/archiso/hooks/archiso_loop_mnt
+++ b/archiso/hooks/archiso_loop_mnt
@@ -15,7 +15,7 @@ archiso_loop_mount_handler () {
     msg ":: Setup a loop device from ${img_loop} located at device ${img_dev}"
     _mnt_dev "${img_dev}" "/run/archiso/img_dev" "-r"
 
-    if ! _dev_loop=$(losetup --find --show "/run/archiso/img_dev/${img_loop}"); then
+    if ! _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then
         echo "ERROR: Setting loopback device for file '/run/archiso/img_dev/${img_loop}'"
         launch_interactive_shell
     fi