;;
esac
done
- d="pci-$pci_id-$d"
+ if [ "$d" ]; then
+ d="pci-$pci_id-$d"
+ else
+ d="pci-$pci_id"
+ fi
D="$host_dev_path"
RESULT=0
}
full_sysfs_path="$SYSFS$DEVPATH"
case "$DEVPATH" in
/devices/*)
- # new sysfs layout
+ full_sysfs_path="${full_sysfs_path%/*}"
+ # skip parent device of the same subsystem
if [ -L $full_sysfs_path/subsystem ]; then
- full_sysfs_path="${full_sysfs_path%/*}"
cd "$full_sysfs_path/subsystem";
subsys="`pwd -P`"
cd "$OPWD"
subsys="${subsys##*/}"
- if [ "$subsys" = "block" ]; then
- # parent is "block", it's a partition, move one up
- full_sysfs_path="${full_sysfs_path%/*}"
+ if [ "$subsys" = "$TYPE" ]; then
+ : skip same subsystem parent
+ full_sysfs_path="${full_sysfs_path%/*}"
fi
- cd $full_sysfs_path
fi
+ # skip subsystem directory
+ subsys="${full_sysfs_path##*/}"
+ if [ "$subsys" = "$TYPE" ]; then
+ : skip subsystem directory
+ full_sysfs_path="${full_sysfs_path%/*}"
+ fi
+ cd $full_sysfs_path
;;
*)
# old sysfs layout
- if [ ! -L $full_sysfs_path/device ] ; then
- if [ -f $full_sysfs_path/range ] ; then return ; fi
+ if [ ! -L $full_sysfs_path/device ]; then
full_sysfs_path="${full_sysfs_path%/*}"
: full_sysfs_path "$full_sysfs_path"
- if [ ! -L $full_sysfs_path/device -o ! -f $full_sysfs_path/dev ] ; then
+ if [ ! -L $full_sysfs_path/device -o ! -f $full_sysfs_path/dev ]; then
return
fi
fi
- cd $full_sysfs_path/device
+ if [ -L $full_sysfs_path/device/device ]; then
+ cd $full_sysfs_path/device/device
+ else
+ cd $full_sysfs_path/device
+ fi
;;
esac
full_sysfs_device_path="`pwd -P`"
cd "$OPWD"
+
D=$full_sysfs_device_path
while [ ! -z "$D" ] ; do
case "$D" in
;;
*)
mode=""
- ;;
+ ;;
esac
if [ "$d" ]; then
d="$d-${rewind}st${mode}"
fi
}
-case "$TYPE" in
- block)
- handle_device
- echo "ID_PATH=$d"
- ;;
- scsi_tape)
- handle_device
- echo "ID_PATH=$d"
- ;;
- input)
- handle_device
- echo "ID_PATH=$d"
- ;;
- *)
- RESULT=1
- ;;
-esac
-
-exit $RESULT
+handle_device
+if [ -z "$d" ]; then
+ exit 1
+fi
+echo "ID_PATH=$d"
+exit 0