## sanity check
for i in "$KERNDEV" "$KERNDIR" "$LINKDEV" "$PARTITION" "$KERNELDISK" ; do
if [ -z "$i" ] ; then
echo 1>&2 "$PRG: Could not determine necessary information, aborting..."
## sanity check
for i in "$KERNDEV" "$KERNDIR" "$LINKDEV" "$PARTITION" "$KERNELDISK" ; do
if [ -z "$i" ] ; then
echo 1>&2 "$PRG: Could not determine necessary information, aborting..."