--- 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