[ -f /etc/banner ] && cat /etc/banner
[ -n "$FAILSAFE" ] && cat /etc/banner.failsafe
-fgrep -sq '/ overlay ro,' /proc/mounts && {
+grep -Fsq '/ overlay ro,' /proc/mounts && {
echo 'Your JFFS2-partition seems full and overlayfs is mounted read-only.'
echo 'Please try to remove files from /overlay/upper/... and reboot!'
}