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path_id: skip subsystem directory

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Kay Sievers
2007-05-29 21:23:20 +02:00
parent 97f39d487a
commit 596714857b
1 changed files with 15 additions and 9 deletions
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extras/path_id/path_id
Regular → Executable
+15 -9
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@@ -427,27 +427,32 @@ handle_device () {
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 $full_sysfs_path/dev ]; then
return
fi
fi
@@ -456,6 +461,7 @@ handle_device () {
esac
full_sysfs_device_path="`pwd -P`"
cd "$OPWD"
D=$full_sysfs_device_path
while [ ! -z "$D" ] ; do
case "$D" in