Comment # 2 on bug 925636 from Robert Milasan

Anyway, this would be the correct fix:

commit f52ccd0c2de1c2d22d8f351579cf2d89d8110933
Author: Alexander Mezin <mezin.alexander@gmail.com>
Date:   Wed Jul 24 09:38:56 2013 +0700

    Replace hardcoded path to udevadm with "which udevadm"

diff --git a/usr/share/laptop-mode-tools/modules/hdparm
b/usr/share/laptop-mode-tools/modules/hdparm
index 0115422..ac4f9c0 100755
--- a/usr/share/laptop-mode-tools/modules/hdparm
+++ b/usr/share/laptop-mode-tools/modules/hdparm
@@ -41,7 +41,7 @@ is_capable() {
        # It assumes more or less recent udev (> 070)
        if [ $HAVE_UDEVINFO -ne 0 ] ; then
                log "VERBOSE" "Querying $1 media type using udevinfo: "
-               if [ -x /sbin/udevadm ]; then
+               if [ -x "$(which udevadm 2> /dev/null)" ]; then
                        eval "$(udevadm info -q env -n $1 | egrep
'(ID_TYPE=|ID_BUS=)' )"
                else
                        eval "$(udevinfo -q env -n $1 | egrep
'(ID_TYPE=|ID_BUS=)' )"