--- extras/scsi-devfs.sh.orig	2005-02-14 20:15:04.476440488 +0100
+++ extras/scsi-devfs.sh	2005-02-14 21:56:12.230001736 +0100
@@ -13,6 +13,17 @@
 # BUS="scsi", KERNEL="st*", PROGRAM="/etc/udev/scripts/scsi-devfs.sh st %b %n", NAME="%c{1}", SYMLINK="%c{2} %k %c{3} %c{4}"
 # BUS="scsi", KERNEL="sg*", PROGRAM="/etc/udev/scripts/scsi-devfs.sh sg %b %n", NAME="%c{1}", SYMLINK="%c{2} %k %c{3} %c{4}"
 
+
+# as /usr may not be present, we need a fix for /usr/bin/readlink
+get_symlink()
+{
+   test -e $1 || return;
+
+   if [ -h $1 ]; then
+      basename "`ls -og $1 | cut -d\" \" -f9`"
+   fi
+}
+
 # Find out where sysfs is mounted. Exit if not available
 sysfs=`grep -F sysfs /proc/mounts | awk '{print $2}'`
 if [ "$sysfs" = "" ]; then
@@ -63,7 +74,7 @@
 l_log="scsi/host$scsi_host/$l_com"
 s_log="$1/c${scsi_host}${s_com}"
 
-readlink $2 | grep -F -q pci
+get_symlink $2 | grep -F -q pci
 if [ "$?" != "0" ]; then
     # Not a PCI controller, show logical locations only
     echo $l_log $s_log
@@ -71,7 +82,7 @@
 fi
 
 # Extract PCI address
-tmp=`readlink $2 | sed -e 's@/host.*/.*@@'`
+tmp=`get_symlink $2 | sed -e 's@/host.*/.*@@'`
 pci_addr=`basename "$tmp"`
 pci_domain=`echo $pci_addr | cut -f 1 -d:`
 pci_bus=`echo $pci_addr | cut -f 2 -d:`