tools/hotplug/libusbscanner: Use sysfs to determine the device number instead of guessing

ChangeLog

@@ -1,3 +1,8 @@
+2005-01-12  Julien Blache <jb@jblache.org>
+
+	* tools/hotplug/libusbscanner: use sysfs to get the device number,
+	instead of guessing (it ended up being wrong in a number of cases...)
+
 2005-01-12  Gerhard Jaeger <gerhard@gjaeger.de>
 
 	* doc/plustek/Plustek-USB.changes: Update.

tools/hotplug/libusbscanner

@@ -16,8 +16,7 @@
 # latest hotplug doesn't set DEVICE on 2.6.x kernels
 if [ -z "$DEVICE" ] ; then
   IF=`echo $DEVPATH | sed 's/\(bus\/usb\/devices\/\)\(.*\)-\(.*\)/\2/'`
-  DEV=`echo $DEVPATH | sed 's/\(bus\/usb\/devices\/\)\(.*\)-\(.*\)/\3/'`
-  DEV=`expr $DEV + 1`
+  DEV=$(cat /sys/${DEVPATH}/devnum)
   DEVICE=`printf '/proc/bus/usb/%.03d/%.03d' $IF $DEV`
 fi