Properly check the return values from malloc(3). Remove some PNP-related dead code that is unlikely to survive the changes in -current PNP anyway.
Properly check the return values from malloc(3).
Remove some PNP-related dead code that is unlikely to survive the
changes in -current PNP anyway.

Submitted by:	fixes from Chris Faulhaber <jedgar@freebsd.org>

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase