[tesla-dev] need to cope with possible NULL cur_spd

[eric.s...@sun.com]

Author: Eric Saxe <eric.saxe at sun.com>
Repository: /hg/tesla/powertop
Latest revision: 1b34738ccbc111ac8fc91ed94893f68e14f86c36
Total changesets: 1
Log message:
need to cope with possible NULL cur_spd

Files:
        update: usr/src/uts/common/io/cpudrv.c