--- hendrik-crypto-usb-key.sh   2008-10-05 16:47:15.000000000 +0200
+++ beckman-crypto-usb-key.sh   2009-03-04 22:22:41.000000000 +0100
@@ -152,14 +152,10 @@
        dbg TEXT "Trying to get key-file '$KEYFILE' ..."
        for SFS in /sys/block/sd*/sd??; do
            dbg TEXT "Examining $SFS" -n
-           # is it a USB device?
-           ls -l ${SFS}/../device | busybox grep 'usb' >/dev/null 2>&1
-           USB=0$?
-           dbg TEXT ", USB=$USB" -n
            # Is the device removable?
            REMOVABLE=0`cat ${SFS}/../removable`
            dbg TEXT ", REMOVABLE=$REMOVABLE" -n
-           if [ $USB -eq $TRUE -a $REMOVABLE -eq 1 -a -f $SFS/dev ]; then
+           if [ $REMOVABLE -eq 1 -a -f $SFS/dev ]; then
                dbg TEXT ", *possible key device*" -n
                DEV=`busybox basename $SFS`
                # Check if key device itself is encrypted