6510613 devfsadm_exit() seems can be called recursively

[vikram.he...@sun.com]

Author: vikram
Repository: /hg/onnv/onnv-gate
Latest revision: b53b9ba9c38f6ee0a8916cb086ff93099a828572
Total changesets: 1
Log message:
6510613 devfsadm_exit() seems can be called recursively

Files:
        update: usr/src/cmd/devfsadm/devfsadm.c
        update: usr/src/cmd/devfsadm/devfsadm_impl.h