mkefidisk.sh: mount images as read-only

Mount the hddimg and rootfs.img as read-only when creating the bootable
image on the medium. Otherwise, the md5 checksum values of the hddimg will
be altered. As this changed checksum value might cause issue for users
whom would reuse the hddimg.

Signed-off-by: Raymond Tan <raymond.tan@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/scripts/contrib/mkefidisk.sh b/scripts/contrib/mkefidisk.sh
index 333284ff5043e9acc5628643da8c5c3997b6479e..d8db3c0165b467a6ebd1bcdee448b189f1b56614 100755 (executable)
--- a/scripts/contrib/mkefidisk.sh
+++ b/scripts/contrib/mkefidisk.sh
@@ -369,8 +369,8 @@ mkswap $SWAP >$OUT 2>&1 || die "Failed to prepare swap"
 # Installing to $DEVICE
 #
 debug "Mounting images and device in preparation for installation"
-mount -o loop $HDDIMG $HDDIMG_MNT >$OUT 2>&1 || error "Failed to mount $HDDIMG"
-mount -o loop $HDDIMG_MNT/rootfs.img $HDDIMG_ROOTFS_MNT >$OUT 2>&1 || error "Failed to mount rootfs.img"
+mount -o ro,loop $HDDIMG $HDDIMG_MNT >$OUT 2>&1 || error "Failed to mount $HDDIMG"
+mount -o ro,loop $HDDIMG_MNT/rootfs.img $HDDIMG_ROOTFS_MNT >$OUT 2>&1 || error "Failed to mount rootfs.img"
 mount $ROOTFS $ROOTFS_MNT >$OUT 2>&1 || error "Failed to mount $ROOTFS on $ROOTFS_MNT"
 mount $BOOTFS $BOOTFS_MNT >$OUT 2>&1 || error "Failed to mount $BOOTFS on $BOOTFS_MNT"